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1. A new low cost 120 cps dot matrix serial printer that features a microprocessor and digital control printer head advancement is available from Tally Corp 9 Volume 2 Number 3 September 1975 Designated the Series 1000 the new 132 column multicopy desk unit is designed for use with microcomputers minicomputers mini based business systems data entry systems intelligent terminals and remote batch term inals First in a line of serial printers is the 120 cps Model 1120 which features a new needle printing technique the micropro cessor cartridge ribbon and tractor en gagement above and below the print line The Model 1120 prints an original plus four carbon copies and handles form widths from 4 to 15 inches Specifications include six lines per inch line spacing ten charac ters per inch character spacing a 64 char acter USASCII character set and a9 x 7 half space matrix character The printer offers a wide selection of interface controllers for data communications applications for direct plug compatibility with popular minicomputers and for emulation of other printers Unit prices for the printer start at 2 575 Substantial OEM discounts are avail able Evaluation units will be available during the third quarter of 1975 with pro duction deliveries beginning in the fourth quarter New Version OF MopeL 340 TERMINAL Sycor Inc has introduced a new version of its Model 340 intelligent terminal with a
2. MEMORTES PERIPHERALS FPLA Programmer Now Available Flexible Disc System For MicroPac 6800 Relocatable Macroassembler i Low Cost CMOS Static RAM ee Fairchild Shipping 4K RAMs uC Tape Storage System pie eee New 1K Schottky RAM 4ssse soe eee ee lt vee ae Microprocessor Test System aau Timer Counter amp Generator is PEOPLE LITERATURE AND EVENTS SRI To Study Industrial uC Wyle Gains Intel uC Franchise Computer Printer Analysis European uC Study Available ia es People On The Move escccsccvece TE Recent Literature ssesesccoese EDUCATION Microcomputer Courses Seminars And Conferences for Oct thru Dec FINANCIAL Digital Controls In Process Industry t ooo o o N N oO 10 10 10 il 11 Il 11 11 12 12 12 12 13 13 13 13 14 14 15 Volume 2 Number 3 September 1975 MICROCOMPUTER SPOTLIGHT Page European Microprocessor Activities 18 EI iavtaig Gia exes wate ates OOP ar neers cae LS Germany sss swe aw ees ere re E wert 18 Belgium 253545688 E EE Bie e7 Seana ares 19 DALI easda a a Er TEES gaoat 20 Sweden esssesooecosees ale nese eae 20 The Netherlands sete Siw Stew we ecw as wo 2l COMPANY ADDRESSES FOR THIS ISSUE 22 MICROCOMPUTER STUDIES AVAILABLE 22 MICROCOMPUTER PRODUCTS SERVICES wis ese 23 SPECIAL FEATURES THE JOLT From MAI fro
3. ing algorithm implementations The processor has been simulated and its efficiency in 19 Volume 2 Number 3 September 1975 scheduling applications is at least one order of magnitude better than that of software implemented conventional schedulers The Intellec 8 will be used as a tool for designing reliable multi microprocessor sys tems where microprocessors will mutually check each other Although the foregoing description gives a rather small selection of microprocessor activities in Germany it should show the wide spectrum of current research interests BELGIUM By ANDRE A S DANTHINE INSTITUT D INFORMATIQUE NAMUR Microprocessor Design The most important project is EPRON Experi mental PROcessor Namur This processor is designed to support effective interaction bewteen software and firmware Its hardware mechanism allows FETCH GENERATOR mini in structions features In this way a macro assembler supported by firmware substitutes micro procedures call to code expansion in software EPRON is not yet a silicon mi croprocessor It is beyond a paper pro cessor and has recently completed simulation KATHOLIEKE UNIVERSITEIT LEUVEN CIRCUITS AND SYSTEMS DIVISION Microprocessor Utilization In 1973 an Intel MCS 4 microprocessor was used for a Direct Digital Control unit of a heat exchanger pilot plant In 1974 an EKG preprocessor for high care patients was developed based on an In tel MCS 8 microcom
4. 60206 Compiegne France MICROCOMPUTER BASED custom product develop ment hardware software production pub lication available Send for free price list Microcomputer Associates Inc 10440 N Tantau Ave Cupertino CA 95014 CUSTOM LSI relieve the uP of the mundane I O problems while retaining system simpli city Lincoln Semiconductor 175 San Gabriel Dr Sunnyvale CA 94086 408 736 0550 MICROCOMPUTER SOFTWARE specializing in resi dent assemblers high level languages and applications for small uC systems Sam Hol land 1114 Abby Wood Ct Los Gatos CA 95030 Volume 2 Number 3 September 1975 SYSTEMS APPROACH TO PROM PROGRAMMING A free monthly course designed to answer the hows and whys of PROM programming and programming equipment Data I O 960 E Arques Suite 106 Sunnyvale CA 94086 408 732 8246 MICRO SYSTEMS SOFTWARE 335 W Olive 216 Sunnyvale CA 94086 408 735 1650 George Fraine Richard Ware uP system support pro grams assemblers simulators etc Engi neering applications programming for uC RIGHTS AVAILABLE to general purpose system for debugging microprocessor based hardware Also product development service Arthur D Little Inc Acorn Park Cambridge MA 02140 MICROCOMPUTER EDUCATION from page 6 amount of time is spent indescribing instruc tion sets programming techniques and soft ware aids As each instruction is described the student is shown how the microprocessor s progr
5. Typical access time is 45 ns input cur rent is 250 uA maximum for both Maximum read and write cycle times are 70 ns for the commercial devices and 75 ns for the military parts Both are compatible with other DTL and TTL logic circuits and contain on chip address decoding and chip select capability to facilitate incorporation into larger mem ory arrays Both devices are available in CERDIP pack ages in commercial and military temperature ranges Prices in 100 to 999 quantities are 22 for the commercial version and 61 60 for the military MICROPROCESSOR TEST SYSTEM A computer controlled test system for mi croprocessors and other complex digital logic circuits on PC boards has been announced by Instrumentation Engineering Inc The Model 103 incorporates a two family Digital Word Generator Receiver DWG R which enables the user to test as many as four dif ferent levels of logic simultaneously The DWG R contains bidirectional pins so that it can test bidirectional busses on mi croprocessor PC cards in real time as well as test associated RAMs ROMs shift regis ters and the CPU It can also be programmed for static and functional testing at rates up to 20 MHz As with other stimulus and mea surement devices used with the Model 103 the DWG R does not require special adapter boards or patch panels for interfacing with the cir cuit board under test Regardless of which pins are designated as inputs or outputs on the u
6. 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST ELECTRONIC WARFARE THIRD IN A THREE PART SERIES By H Dean McKay President AH Systems The architectural structure of microcom puter based electronic warfare systems con sists of several intelligent subsystems under the control of a central processor Each EW subsystem such as the receiver antenna or the jammer is modular and utilizes its own LSI microcomputer controller These control lers typically have 8 or 16 bit word lengths a 200 ns to 1 us cycle time memory address capability of up to 64K words and good I O capability A typical example of a multiprocessor EW system consists of microcomputers being uti lized as antenna controllers receiver con trollers signal processors power management processors frequency control processors and as an overall system command controller A common control bus is utilized to interface all the subsystems Each subsystem uses ma chine language for its applications program while a higher level PL 1 type language is used for EW systems applications FIGURE 1 YV VV PHASED ARRAY ANTENNA ACQUISITION RECEIVER MONITORING RECEIVER f as om m MONITORING RECEIVER N MICROPROCESSOR RECEIVER MICROPROCESSOR ANTENNA MICROPROCESSOR R
7. 2 is instruction and bus com patible with the Rockwell PPS 4 microproces sor so that all 17 input output memory and peripheral controller chips now provided can be used with the 4 2 The PPS 4 2 is 80 each for quantities up to 99 two chip sets and 56 for quantities of 100 to 999 Masking charges for quantities Volume 2 Number 3 September 1975 under 1000 is 1250 for quantities of 1000 and over masking charges are included Engineering samples of the PPS 4 2 will be available this month with evaluation boards ready for sale in October and full production quantities by January 1976 NEC To Truty Seconp Source 8080 Determined to capture a major portion of the uC market NEC Microcomputers Inc is introducing a second microprocessor and in creasing their network of U S manufacturing reps by 10 The second microprocessor slated for sale in October is a pin compatible device with Intel s 8080A 8 bit microprocessor The uCOM 8 currently offered by NEC is an independent designed software compatible version of Intel s 8080 CPU The new micro processor will be a true second source de vice INTEL S HIGHER SPEED 8080 uP A higher speed series of the popular 8080 microprocessor is now being offered by Intel The 8080A 1 and 8080A 2 feature an instruc tion cycle time of 1 3 and 1 5 us respec tively The 8 bit microprocessors are available from distributors off the shelf in lots of 1 to 99 Large volume de
8. a m and 1 30 p m daily except no afternoon sessions will be held on Friday l Overall WESCON attendance by members of the electronics industry is expected to top 25 000 Attendance for 1974 was 28 212 and 27 436 for 1973 The WESCON Professional Schedule for mi croprocessors is as follows Sept 16 a m Microcomputers How To Get Started Rm 105 Sept 16 p m Microprocessor Microcom PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Volume 2 Number 3 September 1975 puter Hardware amp Software Support Systems Rm 105 Sept 17 a m Microprocessor Applications Rm 105 Sept 17 p m Microcomputer Design Aids Rm 105 Sept 18 a m High Speed Printers for Minis and Micros Rm 104 Sept 18 p m Microprocessors in Medical Instrumentation Rm 105 MICROCOMPUTER EDUCATION By Darrell Crow In the past few months I have been exposed to several types of microcomputer education Briefly they consisted of a five day lab and lecture course an intensive four day lecture course a college course and a self learning home study manual In the next four months I will relate these experiences and what can be expected from each program National Semiocnductor has established three microprocessor training centers through out the U S They conduct courses consisting of five days of lecture with hands on experi ence In the Fundamentals course each student receives all documentation for the IMP 16 and PACE microprocessors T
9. and accounting machines text editing typewriters intelligent stand alone terminals complex instrument measurement systems and so on The chip s architecture consists of an 8 bit ALU that can perform binary ADD AND OR EXCLUSIVE OR and two digit BCD ADD Other features include an 8 bit accumulator with an 8 bit extension register for separate se rial I O operations four 16 bit address pointer registers usable as stack pointers to external memory for unlimited subroutine nesting an 8 bit status flag register whose contents are treatable as data or storable in memory a 16 bit address output register an 8 bit data I O register 8 bit instruction register and associated circuitry for I O control instruction decoding and clock tim ing The microprocessor s instruction set con sists of 46 instructions grouped into five classifications memory reference transfer memory increment decrement immediate and delay SCAMP is intended for low cost applica tions and operates from a single 10 14V power supply has I O control compatibility with standard logic features a simple efficient addressing scheme and includes on chip gener ation of timing and all strobes Check to make sure you have renewed your sub scription to MICROCOMPUTER DIGEST It takes only a minute to complete the form Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28
10. driver receiver and controls the sequencing of program in structions The CPU Option card provides the micro computer with DMA channel connection memory parity check power fail interrupt interval timer etc Three types of memory cards are offered core memory card IC RAM card and IC PROM card All three memories can be freely com bined Other cards inc ude the console panel and control panel card Basic I O control card communications line control card PROM writer card channel connection card DMA channel card and the subchannel card The microprocessor and microcomputer will be displaye at WESCON in booth number 1631 8080 In Circuit EMULATOR from page 1 The unit is lightweight 16 lbs and portable for easy use at the bench or in the field The base unit can be expanded with a variety of hardware and software options to provide a full scale floppy disc based system when a major software effort is required Hardware designers can start using the MM 80 when their breadboard has working clocks The MM 80 will read and write memory or per form input and output without the need for a program executing in the user s memory or even without the user s memory working The MM 80 can be used to repeatedly generate mem ory and I O reference signals so that bread board systems can be debugged The ICEBOX s cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associa
11. each month one aspect of the industry This month a series of arti cles survey the European microprocessor activ ity country by country The articles have been extracted and reprinted with permission from Euromicro Euromicro is a quarterly European newsletter devoted to serving the microprogramming and microprocessor segments in Europe ITALY By MARIAGIOVANNA SAMI SGS Ates has recently announced that it is participating with AEG Telefunken and General Instruments Microelectronics in the implemen tation of MOS LSI microprocessors to be as sembled by Olympia the German business ma chine manufacturer Until now studies in the universities have been limited mostly to surveys of the existing microprocessors or to their didacti cal potential Application work has been done by students at the graduate level for instance at the Polytechnic Schools of Turin and Milan At the University of Bologna interest centers on the use of microproces sors in systems such as the mininet spon sored by the Polytechnic of Central London More precise research is presently in the course of definition Several Italian industries operating in various fields are concerned with the pos sible applications of microprocessors Here PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 18 Volume 2 Number 3 September 1975 some indicative instances are recalled Oli vetti inserts microprocessors in its new series of intelligent te
12. system can be programmed from an optional cassette or from other ex ternal sources GO NO GO programming can be done using the program number only A list ing of errors is available at the rate of one to forty errors per second depending on the optional printer selected A known good unit or the cassette input is required A 1024 node system is priced at 13 120 and does not include the printer or cassettes Delivery is 90 to 120 days CORRECTION An error was made on Microkit Inc s tele phone number in the August issue The correct number is 213 828 1722 Microkit manufac tures a universal microcomputer development system for 8 and 16 bit microprocessors Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST MEMORIES PERIPHERALS FPLA PRoGRAMMER Now AVAILABLE Data I O s newest product is the Model X Field Programmable Logic Array Programmer Scheduled for introduction in the third quar ter of 1975 the Model X will be capable of programming all Field Programmable Logic Ar rays FPLA as they are developed Data I O has been working closely with several semi conductor manufacturers to insure compat
13. 0 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST Microprocessors Economics Technology Appli cations Arthur D Little Inc 25 Acorn Pk Cambridge MA 02140 617 864 5770 Microprocessors Electronics Book Series 8 95 McGraw Hill Publications Co 1221 Ave of the Americas New York NY 10020 Microprocessor Field Survey amp Data Book 495 for first copy 55 each additional copy A H Systems Inc 9710 Cozycroft Ave Chatsworth CA 91311 213 998 0223 Microprocessor Handbook 24 95 Texas In struments PO Box 5012 Dallas TX 75222 214 238 2011 Minicomputer amp Microcomputer 595 Industrial Market For Microcomputers 445 Lucy Hendry Frost amp Sullivan Inc 106 Ful ton St New York NY 10038 212 223 1080 New Components And Subsystems For Digital Design 75 Technology Service Corp 2811 Wilshire Blvd Santa Monica CA 90403 213 829 7411 Programmed Learning Course On Microcomputers 99 50 Six Volume Set Iasis Inc 770 Welch Rd Suite 154 Palo Alto CA 94304 Bob Warr 408 329 0110 MICROCOMPUTER PRODUCTS SERVICES EUROMICRO The European Association for Mi croprocessing quarterly newsletter covering activities of interest in microprocessing Annual membership 7 Rodney Zaks Chairman Universite de Technologie Compiegne BP233
14. 13 559 9265 European Office 33 Rue de Congress 1000 Brussels Belgium 218 5005x358 Volume 2 Number 3 September 1975 Microcomputer Associates Inc 10440 N Tantau Ave Cupertino CA 95014 408 247 8940 Microcomputer Technique Inc 11227 Handlebar Rd Reston VA 22091 703 620 9676 Motorola M6800 Course Ron Bishop BB102 PO Box 2953 Phoenix AZ 95062 602 962 2345 National Engineering Consortium Inc Oakbrook Executive Plaza 1 1301 W 22 St Oak Brook IL 60521 312 325 5700 National Semiconductor Corp Microprocessor Training Center 2900 Semiconductor Dr Santa Clara CA 95051 408 732 5000x7183 Naval Electronics Lab W J Dyka Code 4050 San Diego CA 92152 714 255 6454 PCS Inc 5467 Hill 23 Dr Flint MI 48507 313 767 8920 Pro Log Corp 852 Airport Rd Monterey CA 93940 408 372 4593 University of Waterloo I R Grant Electrical Engineering Waterloo Ont N2L 3G1 FINANCIAL DIGITAL CONTROLS IN Process INDUSTRY The process industries expenditures on digi tal controls will increase from 245 million in 1973 to 404 million by 1977 and to 845 Million by 1983 according to a new study by market research specialists Frost amp Sullivan Inc The microprocessor itself will realize an increase in the digital control marketplace from less that 1 of total expenditures in 1973 to 31 of the total by 1983 at 260 mil lion It is a harbinger of lower prices and greatly expanded applications Use o
15. 8940 Volume 2 Number 3 September 1975 industrial work is being done on Direct Digi tal Control using Intel s 8080 and 8008 De velopment is also underway at different tech nical high schools of engineering at the Politechnica University At the Junta de Energia nuclear work is being done using a National IMP 16 In Barcelona work was pioneered in 1973 with a SIM 8 at the Automatic Control Labora tory of Industrial Engineering High School at the Politechnical University At the Electronics Laboratory of this center emula tors of 8080 and 4004 have been developed on a NOVA 1220 and a Power Integrator module using a 4004 is underway Work on microcomputers is also currently in progress at the High School of Telecommu nications Logic Laboratory at the same uni versity A joint research effort involving the Electronic and Logic Laboratories deal with efficient algorithms for Boolean func tion implementation using microprocessors PRIVATE INDUSTRIAL CENTERS Two years ago EYSSA a traffic control and automation company used an Intel 8008 microcomputer in a data acquisition project Since then several companies have started using microcomputers among which we have knowledge of the following ENHER electrical utility MOBBA industrial scales TEAM process control automation ITT Research Laboratory communications IKASLAN engi neering for telecontrol TELESCI NCRO com puter manufacturer and DISTESA teachi
16. C Prices in 100 to 999 quantities for the 8260 are 3 50 for the 8250 S 4 00 and for the 8240 3 25 PEOPLE LITERATURE AND EVENTS SRI To Stupy INDUSTRIAL pC Stanford Research Institute s Artificial Intelligence Center has received a two year grant of 500 000 from the National Science Foundation for continuation of research in computerized automation The research headed by staff scientist Charles A Rosen has as its ultimate objec tive computer controlled inspection materi al handling and assembly line systems for industry Under the project researchers have assembled a laboratory test bed for studying the practical problems of applying programmable automation to industry Rosen told MICROCOMPUTER DIGEST that the test bed will for the time being consist of a distributed network using DEC s LSI 11 microcomputer to reduce the central proces sor s PDP 11 40 workload Rosen said that SRI selected the system since it requires less software and could easily perform all distributed intelligence computation WYLE Gains INTEL pC FRANCHISE Intel Corp has announced the appointment of the Wyle Distribution Group as an addi tional franchised distributor of microcomput er and memory components in five locations Liberty Electronics El Segundo CA Elmar 13 Volume 2 Number 3 September 1975 Electronics Mountain View CA Liberty San Diego CA Elmar Denver CO and Liberty Phoenix AZ The Wyle Distributio
17. CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST efficient architecture flexible system con struction easy to use I O interface and high throughput Each chip is housed in a 40 pin package and is completely TTL compat ible The microprocessor architecture consists of seven 16 bit registers an instruction counter instruction register stack pointer two accumulators and two index registers Typical instruction execution time is 3 us with the microprocessor operating on a two phase 2MHz 12V clock Other features include three level multiple interrupts DMA capabil ity automatic restart a 33 command instruc tion set and six addressing modes The ad dressing modes include direct PC relative indirect PC relative indirect index modifi cation and indirect index modification Three supplies are required 12V 5V and 3V Software development support is available on the Panafacom U Series industrial comput ers and the MACC 7 L minicomputer or is resident with the PFL 16A development system Moreover various program modules residing in the target system are offered Four groups of software aids have been developed to operate on the above systems These categories include the self standing system UMOS D support system UMOS C sup port system and the MACC support system T
18. ECEIVER MICROPROCESSOR RECEIVER w sw m m oe CONTROLLER CONTROLLER CONTROLLER CONTROLLER SS MICROPROCESSOR FREQUENCY CONTROLLER JAMMER POWER MANAGEMENT ERAN TESE FREQUENCY FREQUENCY FREQUENCY SYNTHESIZER SYNTHESIZER SYN HESIZER a 3 E TYPICAL EXAMPLE OF MULTIPROCESSOR EW SYSTEM The operator communicates with the system by English commands which allow him to con figure specific operational scenarios with out deep technical knowledge of the system s operation The system allows the operator to request the system to search a particular frequency band acquire a signal dedicate a monitoring receiver to that signal and upon REMOTE PORTABLE Volume 2 Number 3 September 1975 recognition of a particular pulse pattern jam it While this is normally a major pro gramming task in conventional minicomputers the system shown in Figure 1 performs the task easily while the overall system is busy performing other functions FIGURE 2 _ _ MOST PROBABLE LOCATION ELLIPSE REMOTE Df SYSTEM SERIAL I ee ee d DATA LINK PLOTTER HARD COPY DISC FILE CASSETTE FILE DISPLAY DIRECTION FINDING SYSTEM USING MICROPROCESSOR CONTROLLERS Another example is that of a direction finding DF system using microcomputer con trollers In the system three DF systems are interfaced with a microcomputer control ler An overall minicomputer is utilized as a message sw
19. MICROCOMPUTER Copyright 1975 by Microcomputer Associates Inc Printed in U S A Volume 2 Number 3 16 B1t PANAFACOM MICROPROCESSOR The latest entrant in the microprocessor arena Panafacom Ltd of Tokyo Japan has un veiled a 16 bit microprocessor chip set fully supported by a series of microcomputer cards and a resident hardware development system The PFL 16A is a three chip LSI microcom puter designed to offer users functions match ing those of a minicomputer in the form of a system component cont d on page 2 8080 In CIRCUIT EMULATOR Ramtek Corp has announced an In Circuit Emulator for the 8080 microprocessor The MM 80 nicknamed the ICEBOX directly replaces the 8080 microprocessor in the user s system and allows the designer to examine alter and control the 8080 system ICEBOX is a real 8080 to the user s system and requires no special design considerations The MM 80 was designed to provide the in circuit emulation ability in a basic system cont d on page 3 INSIDE THIS ISSUE INTERSIL reduces prices on their IM6100 micro processor and memories Story on page 7 INTEL introduces two high speed versions of their 8080 CPU Story on page 7 SPECIAL REPORT on Europe s microprocessor ac tivities Story on page 18 COURSES Upcoming microcomputer courses for October November and December on page 15 WYLE DISTRIBUTORS adds Intel franchise to their current line of microcomputers Story on pag
20. address comparator and the real time instruction trace The MM 80 maintains the addresses of the last 255 in structions executed so the programmer can now really find out how did I get here The MM 80 console is an ASCII terminal such as a teletype or CRT running at any standard rate from 10 cps to 1200 cps The data rate is switch selectable and interface is either RS232 or 20 mA current loop The ICEBOX has an additional RS232 interface for connection to remote computers allowing the console to be used as the terminal on a time sharing network The base unit provjides the in circuit emu lation ability and sells for 3 950 The MM 80 option list includes 2708 PROM programmers memory expansion modules and special software packages The MM 80 also offers a ROM resi dent one pass assembler for quick and easy assembly on the basic unit if PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Volume 2 Number 3 September 1975 Low Cost uP ENTERS MARKET from page 1 logic for electronic games small intersec tion traffic signals simple industrial sys tems appliances vending machines simple terminals anything that previously made use of sheet metal logic Jumping to a four chip system the micro processor a bidirectional transceiver an address latch and a buffer element the SCAMP user can address 65K bytes of standard mem ory to implement complex control functions as in credit card verification business
21. am counter registers accumulators ALU and status flags are affected Students are given several simple programming exer cises to write execute and debug in the lab National s lab is fully equipped with IMP 16 development systems floppy disc TTY and software One lab station is provided for every two students On the last day the course dealt primar ily with microcomputer applications selec tion criteria design techniques floating point routines higher level languages and PROM programming This course should be fol lowed by National s application course or equivalent To make the most of your microprocessor course I suggest the following Leave your job and office behind until the course is over and concentrate solely on the course Once you ve begun to get a handle on things arrange an hour of solo time on the devel opment system When first writing your sam ple programs keep them small to insure suf ficient time to step through and learn the entire process of flowcharting coding as sembling editing program executing and de bugging Once you know the process you can easily expand to lengthier programs Above all keep you micro monster smiling PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Asso
22. boards The 40963 and 40964 are available from stock and pricing for 100 to 999 quantities is 23 and 17 50 respectively UC TAPE STORAGE SYSTEM Qantex has introduced the Model 2200 Tape Storage System which is compatible with the Intel 8080 microcomputer The ANSI compatible system utilizes the 3M data cartridge as well as the Qantex 600 tape drive which has a read write speed of 30 ips rewind speed of 90 ips and packing density of 1600 bpi phase encoded The 2200 is available with either one or two cartridge tape drives with storage capa bility of up to 5 76 million bytes for a dual drive system The drives are available with l 2 or 4 track read after write heads Each track is either computer or manually select able The built in ANSI compatible tape format ter features 90 ips search command chaining to emulate a disc where no computer interrupt is requested until the proper tape mark is found hardware CRCC and data phase encoding Prices start at 2 175 without computer interface and 2 750 with interface Delivery is 30 days ARO New 1K ScHottKy RAM Intersil has introduced two new Schottky TTL 1024 x11 bit RAMs the IM55S08 and IM55S18 The IM55S08 provides an open collector output and the IM55S18 has a tri state output The IM55S08 is equivalent to the N82508 both RAMs are replacements for the non Schottky 93415 PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Volume 2 Number 3 September 1975
23. ciate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor peony owiy ELAN TT a TTR TET pz ON LINHJd i Ov68 ZbZ 80t vLOG6 VO ONILY3AdND L9LL XO Od Q IVd a9vLSOd SN a waLfidhi0JOW9IN Yes Start sending me MICROCOMPUTER DIGEST IS THIS YOUR COPY OF MICROCOMPUTER DIGEST every month If not make sure you receive your own 1 Yr 28 for overseas add 12 regular copy each month by subscribing today Bill My Company Bill Me From one source you ll receive the lat Payment Enclosed est news in domestic and foreign microcomput Subscription Renewal er developments and product announcements hardware and software design techniques mi Name crocomputer applications companies indus try trends personalities literature reviews special interviews and more Company Also special subscriber benefits free Address employment ads as well as listings of pro _ _ _ ducts and services Our quarterly Reference City State Zip Index lists available uC literature and provides a continuing index of companies en gaged in uP activities Where else can you buy so much for so Send to my home little Nowhere Subscribe today for your idirese own personal copy e PE F RES City tates zip COMING SPECIAL FEATU Title Business Phone Area Code Starting Your Own Microp
24. cks and power on and exter nal reset The 6800 microcomputer card is essentially pin compatible with Pro Log s 8008 and 8080 CPU cards All CPU cards oper ate with Pro Log s line of RAM ROM I O and interface cards PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Volume 2 Number 3 September 1975 In addition to offering the CPU cards sep arately Pro Log is also offering the 6800 card in a 3 and 5 card system A minimum system consisting of a 6800 CPU card ROM RAM and 8113 I O card sells for 650 The M823 System Analyzer for the 6800 features clip on testers for program debug ging and system analysis The tester is a self contained fully buffered unit and does not interfere with system operations The M823 is priced at 750 UC ConTROLLED WIRING ANALYZER Algorithm Technology Inc manufacturers of high speed bare circuit board testers announces the introduction of a new high speed microcomputer controlled wiring analy zer for back plane panels card racks cables and harnesses and other wired assemblies expandable in 64 node increments The test system is fast and can completely test a circuit board and provide GO NO GO in dications of good or bad assemblies in less than one second for a 50 000 point back panel or other wired unit Programming takes ap proximately ten seconds for a 50 000 point assembly when using a known good unit and en tering a developed program number into thumb wheel switches The
25. d interfacing to the PCS MicroPac 80A Deliv ery is 3 to 4 weeks ARO 11 Volume 2 Number 3 September 1975 6800 RELOCATABLE MACROASSEMBLER American Microsystems Inc has announced a new relocatable macroassembler for their S6800 microprocessor The program features a linkage loader allowing locations for sym bols to be assigned after the program has been fully debugged This allows the user the flexibility to assemble only sections of his programs at a time instead of the entire program Final documentation for the program is currently being prepared however the soft ware is up running and available on National CSS timeshare services The program written in FORTRAN can also be purchased for 1200 The assembler version was written in 360 assembly language for low cost and high speed assembly processing Low Cost CMOS Static RAM Intel Corp has introduced the P5101 8 1K 256 x 4 silicon gate CMOS RAM priced at 10 20 in 100 to 999 quantities The P5101 features a maximum standby cur rent of 50 nA per bit and a worst case access time of 850 ns The RAM is completely static and chip enable clocking is not required dur ing address transitions It can be placed into the low power standby mode by applying a logic low level to the second chip enable input Also it operates on a single 5V power supply The 22 pin provides four data inputs four tri state data outputs with an output disable control two chip enabl
26. e 13 PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 DIGEST September 1975 THE JOLT From MAI Microcomputer Associates Inc has announced the world s lowest cost microcomputer system yet available The system is offered in kit form as well as assembled The heart of the JOLT system is MOS Technology s 6502 8 bit microprocessor The outstanding feature of the system is a ROM mask programmed DEbug MONitor DEMON which provides instant software to the user after completion of the kit DEMON includes a unique feature found in no other microcomputer system that is a self adapting interface to any terminal speed from 10 to 30 cps A TTY 20 mA current loop as well as an EIA interface is standard with the kit Other DEMON features include display alter CPU registers display alter memory read write hex formatted data read write BNPF for matted data unlimited breakpoint capability high speed 8 bit parallel input option and user callable DEMON I O subroutines cont d on page 2 Low Cost pP ENTERS MARKET National Semiconductor has formally an nounced their SCAMP microprocessor a single chip 8 bit p channel MOS device priced around 15 SCAMP acronym for Simple to use Cost ef fective Application MicroProcessing can be used alone or in a multiprocessor configura tion National will be backing the micropro cessor with a wide array of software and soft ware tooling support MD August 1975 With onl
27. e in puts read write control and address inputs The output configuration allows the P5101 to operate on either separate memory system I 0 busses or on a common I O bus without bidi rectional bus logic FAIRCHILD SHIPPING 4K RAMs Fairchild s Integrated Circuits Group has announced it is shipping production quanti ties of a 4096 bit N channel dynamic RAM memory circuit having an access time of 250 ns The memory designated as the 4096 uti lizes single transistor memory cell and sili cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Apolications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST con nitride capacitor technology Two ver sions are available 40963 250 ns time and 40964 300 ns time Both parts are packaged in a 16 pin ceramic DIP and are fully TTL compatible Power dissipation is specified at 250 mW typical active access power is 120 mW A unique method of address multiplexing and latching allows the use of the 16 pin standard package rather than the alternate 22 pin design available from other suppliers This results in an 80 increase in packaging density on memory
28. ea of different activities at this university It ranges from the usage of Intel 8008 microcomputers for controlling display units via applica tions within the field of artificial intel ligence and process control up to hierarchi cally ordered multiprocessor systems Most of these reports are concerned with investi gations that have already been completed Microcomputers are also constructed in a modular fashion using Intel 8008 8080 and 3000 chips One such application has been concerned with the development of suitable interfaces for microprocessors and storage units via bus structures Another ongoing research is related to as sociative control memories Continuing in vestigations are looking at the increase of parallelism of address and data between a fast cache and a pipeline organization Spe cial effort will also be spent on considering program branches as bypass action Nuclear Research At Karlsruhe The department of data processing service and instrumentation at this Nuclear Research Center uses Intel 8008 microcomputers to im plement automatic chemical analysis proce dures for the regeneration of nuclear fuel material Multi level priority controlled interrupt structures are implemented to sup port these applications University of Karlshruhe A computer organization design using a microprocessor with associative control store is being developed Special features include hardware implemented primitives for schedul
29. elop standard microcomputer products such as the DCS 1K Future products will include an 8 bit mi crocomputer configured for use with a termi Volume 2 Number 3 September 1975 nal to give it specialized characteristics for both the scientific and business environ ment Another system will be a high speed arithmetic processor for use as a subsidiary unit in a minicomputer environment to allow high speed calculation of specific tasks such as vector manipulation spectrum analysis and formatting of data CRAMER To OFFER pC KITS A new microcomputer kit available initial ly in three models has been intorudced by Cramer Electronics Inc Each of the kits are priced at 495 Developed under a special contractual a greement with Microcomputer Technique Inc the specially designed kits come equipped with either an Intel 8080 a Motorola 6800 or a Texas Instruments TMS 8080 as the CPU which will be followed in mid October with the inclusion of the AMD 9080 Mostek F8 and the RCA COSMAC Early in the first quarter of 76 Cramer will introduce bipolar Cramer kits using the Intel 3001 AMD 2901 TI SBP 0400 and the Motorola 10800 Each Cramerkit contains all the active and passive components except board and power supply necessary to build a function al microcomputer In addition to all parts literature schematic diagram and programs recorded on a cassette tape The complete components and documentation package enables a desig
30. er manager of CMOS product marketing attributed the price reduction to significant customer acceptance and the fact that process yield improvements have greatly exceeded earlier Intersil projections MICROCOMPUTER BASED PRODUCTS 4 Brt EDUCATIONAL MICROCOMPUTER Dedicated Computer Systems has announced a new 4 bit microcomputer designed for edu cational use in teaching the fundamentals of computer design and to enable students to develop their own computer system at a rea sonable cost The system DCS4 1K uses the Intel 4040 microprocessor The minimum configuration has 256 x 4 bits of PROM which can be ex panded up to 1024 x 4 It also has 20 x 4 RAM expandable up to 80 x 4 and a slow shift register memory 1024 x 8 for CRT re fresh which can be used as read write memory by the microprocessor The input is a small keyboard which outputs a video waveform for use on a standard 32 x 32 TV monitor Also provided is an IC socket for an ex ternal PROM unit with suitable power sup plies to enable data to be written on it Examples of the system s use would be the programming of a square root function or the implementation of a small control system where the student would write his PROM to achieve a particular system Tentative price for the DCS4 1K system is 595 with deliveries 90 days ARO Dedicated Computer Systems is a new Cana dian firm that offers consulting services in minicomputers and microcomputers they also dev
31. es on one fixed program and is built into the measurement device COMPANY ADDRESSES FOR THIS ISSUE A H Systems Inc 9710 Cozycroft Ave Chats worth CA 91311 213 998 0223 AITE Publication Sales 25 Technology Park Norcross GA 30071 404 449 0460 Algorithm Technology Inc PO Box 1910 Pres cott AZ 86301 602 445 8180 American Microsystems Inc 3800 Homestead Rd Santa Clara CA 95051 408 246 0330 Cramer Electronics 29 Oser Ave Hauppauge NY 11787 516 231 5600 Data I O Corp 990 E Arques Suite 106 Sunnyvale CA 94086 408 732 8246 Dedicated Computer Systems 750 Westmount Rd W Kitchener Ont N2M 1S3 519 576 3808 Fairchild Integrated Circuits Group 464 Ellis St Mountain View CA 94042 415 962 3816 Frost amp Sullivan Inc 106 Fulton St New York NY 10038 212 233 1080 General Instruments 600 W John St Hicks ville NY 11802 516 733 3333 Iasis Inc 770 Welch Rd Suite 154 Palo Alto CA 94304 415 329 0110 IMS Associates Inc 1922 Republic Ave San Leandro CA 94577 415 483 2093 Instrumentation Engineering Inc 769 Sus quehanna Ave Franklin Lakes NJ 07417 201 891 9300 Intel Corp 3065 Bowers Ave Santa Clara CA 95051 408 246 7501 Volume 2 Number 3 September 1975 Intersil 10900 N Tantau Ave Cupertino CA 95014 408 257 5450 Microcomputer Associates Inc 10440 N Tantau Ave Cupertino CA 95014 408 247 8940 Microcomputer Technique 11227 Handlebar Rd Rest
32. f direct digital controls will expand and the process industries will increase their expenditures by 245 over the next 10 years The rubber and plastics industry will show the greatest overall growth at 290 the chem ical industry will be next at 280 Export sales will grow by some 255 on average and to regions other than the industrialized coun tries they will grow by 500 over the decade cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST Programmable logic controllers will have a relatively modest but steadily growing market The report also stated that micro computer based controllers using distributed control networks promise substantial savings in installation costs of control systems One major oil company is claiming a 30 reduction in initial cost over that of an analog coun terpart Further information on the 183 page study Reference Report 344 can be obtained by contacting Frost and Sullivan MICROCOMPUTER SPOTLIGHT EUROPEAN MICROPROCESSOR ACTIVITIES Microcomputer Spotlight is a new depart ment highlighting
33. f the reported work herein seems to be done at the universities there is at least a comparable effort being spent at the industrial level University of Bochum Three different activities are grouped around microprocessors their software and their applications Microprocessors are be ing used to realize data traffic controllers by means of centralized multiplexed I O con trol systems Suitable microprocessors and control programs are expected Within the field of real time applications Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST and process control some investigations are being conducted to develop dedicated systems with a single custom microprocessor and the necessary programs to serve a specific appli cation As most of today s available microproces sors lack complete software support there is a considerable demand for such program sup port tools Several software modules for the Intel 8080 have been developed and current research is concerned with the implementation of compilers for problem oriented languages for microcomputers Technical University of Munchen There is a widespread ar
34. he self standing system contains program modules used in debugging the hardware and software of the target system by using the PFL 16A hardware support system This also includes software modules which can be in corporated into the object program UMOS D is an operating system for a rela tively larger configuration of Panafacom U Series industrial computers containing an auxiliary memory unit magnetic disc or mag netic drum Object programs are efficient ly developed by using this support system under the control of UMOS D The UMOS C system is a programming system which uses Panafacom U Series to perform ob ject program development using a comparative ly small scale system not having an auxiliary memory unit The MACC programmable support system uti lizes the MACC 7 L minicomputer to generate object code 3 Volume 2 Number 3 September 1975 The self standing system software aids consist of an initial program loader micro monitor I O control subroutines arithmetic subroutines linkage loader debugging uti lity and ROM support utility The support systems software aids consist of a cross assembler linkage loader simula tor source program editor RB program uti lity EB program utility and a debugger The PFL 16A microcomputer development sys tem consists of a front panel power supplies and ten standard cards for a versatile sys tem The CPU card houses the microprocessor clock generator circuit bus
35. hese texts were used in conjunction with class notes and exercises that teach the student how to use the manu facturer s literature Although National microcomputers and documentation were used the instructors first discussed a hypotheti cal microprocessor and then applied the con cepts to the IMP 16 and PACE systems I was extremely impressed by the instructors not pushing National s line or elaborating on any deficiencies of other microprocessors This course is strictly basic and Nation al is thus far the only semiconductor firm offering such a course It is designed for those who have had little or no computer ex perience Course content includes Boolean algebra logic number systems conputer and programming fundamentals software aids de buggers editors loaders development sys tems and chip architecture Since the key to understanding micropro cessors lies in the software a considerable cont d on page 23 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST TECHNOLOGY GI IM1600 Now AVAILABLE General Instrument Corp s Microelectron ics Division will be offering its Series 1600 Microc
36. ibil ity with their FPLAs Features of the Model X Programmer include processor control CRT display and ease of operator programming The programmer will perform not only an array verification of the part after programming but also a logical verification of the part to insure that it is programmed properly Inputs can be accepted from a previously programmed FPLA a keyboard entry paper tape and mark sense card readers The price of the Model X programmer is presently set at 8 000 Data I O also manu facturers PROM programmers to fit all levels of programming from the basic engineering level up to and including full production Their entire family can be seen at WESCON FLEXIBLE Disc System For MicroPAac icCOM Inc is now in production on a flex ible disc system for the PCS MicroPac 80A The iCOM FD360 plugs directly into a stand ard PCS PM 5001 I O assembly The system includes all required interconnecting ribbon cables In addition to being hardware compatible with the MicroPac 80A the FD360 is fully supported by a complete FDOS Floppy Disc Operating System contained on a compact diskette for improved program development FDOS contains such single command operations as disc to dise program editing and assemb ling disc to memory program loading named files disc to paper tape paper tape to disc and disc to disec file transferring FD360 prices start at 2400 for a single disc drive system including all software an
37. imple implementation of complicated functions Most disadvantages with EW microcomputer systems can be traced to the learning curve of designers in utilizing the new devices However once system designers become accus tomed to using these devices as an integral part of EW systems microcomputers will be commonplace in almost every system Micro computers provide program managers with the most sophisticated hardware system possible in a relatively short design cycle Micro computers also provide the military with un heard of flexibility to quickly and easily reconfigure a system to meet the increasing and ever changing threats of our world today Ed Note This article concludes MICROCOM PUTER DIGEST s series on the microcomputer s role in electronic warfare If you ve en joyed this series let us know Micros Micros WESCON THEME WESCON 1975 the 24th annual Western Elec tronic Show and Convention will be presented September 16 19 1975 in Brooks Hall and Civic Auditorium in San Francisco CA The theme of both the product exposition and pro fessional program is Electronics in the Next Thousand Days l The exhibits will be open each day Tues day through Friday at 9 30 a m The show will close at 5 p m on Tuesday and Thursday at 9 p m on Wednesday and at 4 p m on Fri day Thirty two half day technical sessions will be held in the Civic Auditorium one level above Brooks Hall The sessions are scheduled for 10
38. ing system with a magnetic tape cassette recorder and an electric typewriter UNIVERSITE CATHOLIQUE DE LOUVAIN LABORATOIRE DE MICROELECTRONIQUE Microprocessor Utilization For the development of an optical data entry system a microcomputer is under consi deration for the pattern recognition aspect UNIVERSITE LIBRE DE BURXELLES LABORATOIRE D AUTOMATIQUE Microprocessor Utilization The application of microcomputers is in the field of automatic control systems with special emphasis placed on Digital Differen tial Analyser SPAIN By DR J PERACAULA The activity in the microcomputer field began two years ago and has since grown quite rapidly An estimated 15 to 20 universities and private and public companies are now en gaged in microcomputer technology with a larger number of other companies planning to enter the field At this point it has been impossible to assemble a complete list of centers involved Thus the following should be taken as indica tive of the type of work being done in Spain UNIVERSITIES AND RESEARCH CENTERS At the University of Santander Depart ment of Electronics work is being done us ing Intel s MCS 4 The Automatic Control Laboratory at the Technical High School of Engineering of Sevilla and the Department of Electronics of the University at Sevilla al so report developments using the same micro computer In Madrid at the Instituto de Automatica PO BOX 1167 CUPERTINO CA 95014 e 408 247
39. itch and a most probable location analyzer The DF systems could be located remotely either over an RF data link or a serial telecommunications line Once acquisition is determined by one of the sites the minicomputer commands the other two DF sites to execute a direction find in a gross location at a known frequen cy When all three sites have acquired and determined the most probable angle of arriv al the data is fed back to the minicomputer and the most probable locational eclipse is calculated Such a system utilizes standard off the shelf minicomputer and microcomputer hardware and peripherals and allows the im plementation of a very cost effective and highly capable direction finding system with out major cost penalties In conclusion microcomputers offer six basic advantages in EW systems 1 flexibil ity to configure systems 2 speed in acqui sition signal processing and signal control cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Apolications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST 3 standard hardware 4 expandability 5 local processing and control and 6 s
40. iteria with quotes from 30 top in dustry sources to focus on the most critical variables No clear cut formulae for choos ing micros is presented however designers are given direction for that time when they will be ordered to incorporate a uC into the company s next mousetrap j PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST EDUCATION MICROCOMPUTER COURSES SEMINARS CONFERENCES Date title cost location sponsoring orga nization addresses on page 17 September 29 1 International Electrical Electronics Conference and Exposition 40 50 Toronto Ont IEEE 30 2 Hands On Microprocessor Design Course 300 Northern New Jersey Pro Log 30 2 M6800 Microprocessor Course 430 Lincoln NE Motorola M6800 Course October 1 PROM Programming A Systems Approach Free San Jose CA Data I O Corp l 2 M6800 Support Hardware Phoenix AZ Motorola M6800 Course l 3 How To Design With Microprocessors 395 Irvine CA Microcomputer Tech nique Inc 2 3 Software Development Applications Techniques for Microcomputers 4150 London England Integrated C
41. its Inc has opened two new regional sales offices to service the Western and Southeastern regions of the U S BILL GRAY is the newly appointed regional manager on the West Coast and ED CURRIE will head the Southeastern office ROBERT B PALMER will head Mostek s newly formed Computer Products Group as vice presi dent He had previously been vice president of engineering FRED W HORNE microprocessor and memory systems specialist for National Semiconductor in the southcentral area states has been pro moted to sales manager reporting to KEITH KOLERUS area manager JOHN SCHULER has joined Pro Log Corp as southern regional sales manager As a result of Rockwell s reorganization CHARLES V KOVAC will run the Microelectronic Device division as vice president and general manager ROBERT ANGUS and R JOSEPH KRAUS have been named as area sales managers for Zentec s line of microcomput r based intelligent pro grammable terminals RECENT LITERATURE Microprocessors Edited by Laurence Altman Electronics Book Series 1975 In the absence of text books describing the use of the newest microprocessors the ed itors of Electronics magazine have attempted Volume 2 Number 3 September 1975 to fill the gap by reprinting in one volume over 40 of their most recent uC articles The book is broken down into four general cate gories device technology microprocessor de sign applications and a special news round up Most of
42. l tally 2 5 billion Of that total micro processor components will account for 1 bil lion memories for 850 million with ROM mem ories at 29 RAM memories at 71 I O inter faces for 550 million and other ancillary circuits for 75 million The two volume 622 page study broke the accumulative ten year total into the follow cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST ing markets industrial control 720 million lab equipment 183 million data collection entry and communications nearly 1 billion and transportation building environmental control and word processing 350 million The microcomputer market is currently dom inated by the U S but the first European and Japanese units are now becoming available PEopLeE ON THE Move JAMES D BOWEN and GEORGE D WELLS have been elected vice presidents of Fairchild Camera and Instrument Corp DAVID A ARMSTRONG and TED L NICHOLS have joined General Automation as manager of micro computer marketing and manager of peripheral product marketing respectively M
43. liveries are scheduled for the fourth quarter of 1975 Intel distributors are also offering the 8080A in a 13 chip microcomputer kit for 250 The kit includes the 8080 microproces sor two 256 x 4 RAMs 8111 two bus drivers 8216 a 1K x 8 erasable ROM 8708 a de coder 8205 priority interrupt control unit 8214 an 8080 clock generator 8224 8080 system controller 8229 8 bit I O port 8219 programmable USART 8251 program mable peripheral interface 8255 and an 8080 systems user s manual INTERSIL Drops uP PRICES Effective immediately Intersil Inc is reducing the price on their recently an nounced IM6100 microprocessor Formerly cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST priced at 395 the industrial grade 40 to 85 C IM6100 is now priced at 150 in 1 24 quantities In addition the cost of their 1024 x 1 CMOS RAM the IM6508 is reduced from 28 to 17 90 in 100 999 quantities This RAM is designed to interface directly with the IM6100 for use in CMOS microprocessor sys tems Ronald P Hamm
44. m page 1 The basic CPU card contains the 6502 CPU 512 bytes of user RAM 64 bytes of interrupt vector RAM and 16 fully programmable I O lines Power on reset and auto bootstrap to the monitor are included The 6502 has a built in clock generator thus eliminating the need for an external clock generator Two external interrupts are provided to the CPU one maskable under software control and the other non maskable Appropriate signals are brought out to a con nector to allow the user to add single step and address halt features Other available cards include 4K RAM I O 32 lines power supply universal bread board card and an accessory kit Single quantity kit prices are CPU 249 4K RAM 265 I O S 96 Power Supply 145 Univer sal Card 25 and Accessory Kit S 40 Prices include the DEMON and all documentation De liveries are 10 days ARO 16 Bit PANAFACOM MICROPROCESSOR from page 1 The PFL 16A microprocessor is manufactured using N channel LOCOS silicon gate E D MOS technology The three chip set consists of a 16 bit parallel microprocessor and two I 0 control chips a subchannel adapter and a direct memory access channel controller The microprocessor features an extremely PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D
45. n ECMA ANSI compatible cassette recorder designed primarily to interface with small business computers The Model 340 E is functionally the same as the Model 340 terminal incorporating a microprocessor CRT and typewriter like key board Options include a flexible disc re corder four speeds of printers three mag netic tape drives card readers and both asynchronous 110 1200 bps and binary syn chronous 1200 4800 bps communications The terminal features a read after write head 2K 80 character data capacity and may write on both sides of the tape cassette The Model 340 E is priced at 216 per month on a one year lease and 184 per month on a two year lease The purchase price is 7800 Deliveries are expected in the fourth quarter of 1975 PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Apolications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST INTELLIGENT FLoppy Disc IMS Associates Inc has introduced the first Intelligent Disc the IMSAI 108 which incorporates five interacting Intel 8080 mi crocomputers in a distributed network The disec system is intended to remove the load of data base acce
46. n Group has added In tel s full line of development systems and Data I O s PROM programmer at their micro computer centers in El Segundo and Mountain View CA CoMPUTER PRINTER ANALYSIS A comprehensive 1000 page analysis and evaluation of computer printers was put on the market in July by S P Davis and Co The report is designed both as a buyer s guide and an analysis of the printer field It identifies 96 OEM manufacturers of print ers characteristics of 298 systems and al so compares characteristics as they pertain to applications according to Tom Tracy vice president of S P Davis The report explained Tracy was pre pared for a client with a specific product planning requirement From that base it was expanded into a complete tutorial and analy sis of the total printer market In its ex panded form it will be sold at 495 per copy The report evaluates all types of impact and non impact printers by type printing technique process and operation format Features compared include multiple copies speed paper feed inking systems buffers interfaces price reliability field service costs supply expenses human factors engi neering and environmental conditions EUROPEAN UC Stupy AVAILABLE Microcomputer usage in Europe at a 10 million level in 1974 will explode 60 fold to become a 600 million market by 1984 ac cording to a new study by Frost amp Sullivan Cumulative shipments over the decade wil
47. ner to design and fabricate a custom microcomputer to suit his specific needs yC SPECTRUM ANALYZER Operational ease has been greatly in creased in Tektronic s new 7L5 spectrum ana lyzer The analyzer s intelligence Intel 8080 microprocessor is used to decode con trol settings and process frequency as well as reference level information for CRT read out of display parameters Sweep time and resolution are automatically optimized for each span position The microcomputer allows pre setting of the analyzer s power up conditions When power is turned on the 7L5 automatically sets the reference level to 17 dBm and sets the frequency to zero Thus users are pro PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST vided with input attenuation to protect a gainst high input levels and a marker to ver ify correct operation Other 7L5 features include buffer control and a plug in front end module Input buffer control trades input attenuation for IF gain thereby maintaining a constant reference lev el while greatly increasing front end immuni ty to i
48. ng equipment manufacturer Finally we would like to mention that this report was not intended to be a complete summary on the state of the art of microcom puter developments in Spain due mainly to the lack of exhaustive information concern ing microcomputer activities there SWEDEN By H LAWSON JR At the Royal Institute of Technology in Stockholm S 100 44 Stockholm 70 Sweden the following two projects concerning micro computers are in progress An Intel 8008 microcomputer has been in stalled in a Tektronix 4010 display The microcomputer controls communications and Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST graphics with a DEC PDP 10 remote computer The second project concerns program sys tems for developing software utilizing the Intel microcomputers Assemblers and simula tors running on PDP 1l have been developed for the 4004 assembler only 8008 and the 8080 Reports on the project are o TR 72 Program development on a PDP 11 system for the Intel 8008 and 4004 mi crocomputers o TR 83 SIMO8 and SIMO8 User s Guide Two interactive microcomputers on a PDP 11 simula
49. nit under test all variations can be handled through program control An interactive software package completely supports program preparation and data hand ling Rapid fault isolation for component or production process failure is accomplished by a computer directed multipoint buffered IC probe TIMER COUNTER amp GENERATOR Intersil is introducing a new family of monolithic programmable counter timers the 8240 8250 and 8260 which can generate ac Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST curate externally settable time delays from microseconds to five days The circuits will also count external pulses and can be used as frequency generators putting out 99 or 256 selectable frequencies Each device in the family consists of an accurate low drift oscillator a counter sec tion of master slave flip flops and appropri ate logic and control circuitry The coun ter s output taps are open collector transis tors and additional logic circuitry will al low timing to be programmed by a microcomput er All timers are available in 16 pin plastic DIP packages and operate from 0 to 70
50. nland Integrated Computer Systems M6800 Support Software Motorola M6800 Course IMP 16 PACE Applications TX National Semiconductor Denver CO 395 Dallas Microprogramming 395 Santa Clara CA National Semiconductor Hands On Microprocessor Design Course 300 Washington DC Pro Log Corp M6800 Microprocessor Course 430 Lexington MA Motorola M6800 Course A Manager Level Overview of Micropro cessors Microcomputers and Minicom puters 500 DM Munich Germany Inte grated Computer Systems 30 Microprocessors and Microcomputers Condensed Version 500 DM Munich Germany Integrated Computer Systems 31 Software Development and Applications Techniques for Microcomputers 500 DM Munich Germany Integrated Computer Systems November 2 7 Microcomputers Principles and Appli cations 595 Oak Brook IL National Engineering Consortium Inc 3 PROM Programming A Systems Approach Free San Jose CA Data I O Corp 3 5 SEMICON Europa Zurich Switzerland Golden Gate Enterprises Inc 3 6 Microprocessor Fundamentals 395 Miami FL National Semiconductor 3 7 Advanced Programming 395 Dallas TX National Semiconductor 3 7 MicroPac 80 Workshop 400 Flint MI PCS Inc 16 Volume 2 Number 3 September 1975 5 7 How To Design With Microprocessors 395 Cleveland OH Microcomputer Technique 10 13 IMP 16 PACE Applications 395 Miami FL National Semiconductor 10 13 Microprocessor Fundamentals 395 Santa Clara CA National Semicondcut
51. ntermodulation The first plug in front end modules are the 50 ohm Ll1 and the 75 ohm L2 Other units are planned for 600 ohms and 1 megohm This unique modular con cept permits the user to adapt to new mea surement requirements Each front end module will provide displays calibrated appropriate ly for the impedance in use Approximate cost of the spectrum analyzer with plug ins and mainframe is around 6 500 UPGRADABLE POS SYSTEM National Semiconductor Corp has intro duced a new microcomputer controlled cash register for supermarkets which will retail in quantity for 2500 It has all the fea tures of a stand alone electronic cash regis ter but can be upgraded to an in store com puterized checkout system The Datachecker has an internal IMP 16 microcomputer that handles over 140 coded items and has a non tamperable non reset table group total In addition it offers food stamp eligibility and accounting by de partment two clerk totals clerk accounta bility quantity extension multiplication split pricing checks tendered tax eligibil ity and accounting by department and ability to run automatic coin dispensers The T 2500 interfaces with an electric produce scale which is accurately calculated to one hun dredth of a pound and displayed on the regis ter The price is computed displayed and printed on the customer receipt tape along with the actual weight and the price per pound MICROCOMPUTER SERIAL PRINTER
52. omputer Systems 5 8 Electronic amp Aerospace Systems Con vention Washington DC EASCON 6 6800 vs 8080 A Side by Side Compar ison 135 Washington DC Integrated Computer Systems 6 9 Advanced Programming 395 Miami FL National Semiconductor Corp 6 9 Digital Integrated Circuits Technol ogy Device Structures and Applica tions 275 295 Waterloo Ont University of Waterloo 6 9 Microprocessor Fundamentals 395 Santa Clara CA National Semiconduc tor Corp 6 10 MicroPac 80 Workshop 400 Flint MI PCS ines 7 8 Microprocessors and Microcomputers A Comprehensive Technical Introduction 15 8 10 8 10 13 16 14 15 14 16 14 16 15 17 16 17 20 21 20 22 20 22 20 23 20 23 PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor Volume 2 Number 3 September 1975 and Survey 1400Skr Oslo Norway Integrated Computer Systems Hands On Microprocessor Design Course 300 Palo Alto CA Pro Log Corp How To Design With Microprocessors 395 Washington DC Microcomputer Technique Inc Military Microprocessor Systems 395 Washington DC Integrated Comp
53. omputer System to the general public for the first time at WESCON The system based on the GI IM1600 16 bit microprocessor is built using the company s N channel Ion Implant Giant II process MD April 1975 Supporting the microprocessor concept is a series of high speed N channel MOS LSI logic devices that include upward compatible processors and standard ROM and RAM memory circuits The Series 1600 incorporates a powerful intelligent I O interface concept with its complement of Programmable Interface Control lers PIC Most of the popular industry peripherals can be interfaced to the 1600 Series Compatible assembler simulator software is available for popular minicomputer systems and large time sharing systems Comprehen Sive subroutine libraries diagnostics util ity programs and an easy to use On Line De bug Program ODP for direct program check out of the 1600 system are available A unique feature of the Series 1600 soft ware is the Language Generation Program LGP which enables a high level language to be developed to match each application Prices and delivery dates for the Series 1600 will be posted at WESCON ROCKWELL Announces 2 CHIP UP A new two chip microprocessor system the PPS 4 2 has been introduced by Rockwell In ternational Corp The high speed PPS 4 2 consists of one chip with clock CPU and 12 I O lines and a second chip with 2K x 8 ROM 128 x 4 RAM and 16 bidirectional I O lines The PPS 4
54. on VA 22091 703 620 9676 Microkit Inc 2180 Colorado Ave Santa Moni ca CA 90404 213 828 1722 National Semicondcutor Corp 2900 Semicon ductor Dr Santa Clara CA 95051 408 732 5000 NEC Microcomputers Inc 5 Militia Dr Lex ington MA 02173 617 862 0410 Panafacom Ltd 10 16 Jiyugaoda 2 chome Meguro ku Tokyo Japan 03 718 3351 Pro Log Corp 852 Airport Rd Monterey CA 93940 408 372 4593 Qantex 200 Terminal Dr Plainview NY 11803 516 681 8350 Ramtek Corp 292 Commercial St Sunnyvale CA 94086 408 735 8400 Rockwell International 3370 Miraloma Ave Anaheim CA 92803 213 647 5000 S P Davis amp Co PO Box 1469 Los Altos CA 94022 415 941 3482 Stanford Research Institute 333 Ravenswood Ave Menlo Park CA 94025 415 326 6200 Sycor Inc 100 Phoenix Dr Ann Arbor MI 48104 313 971 0900 Tally Corp 8301 S 180 St Kent WA 98031 206 251 5643 Wintek Inc 902 N 9 St Lafayette IN 47904 317 742 6802 Wyle Distributing Group Elmar Electronics 2288G Charleston Mountain View CA 94040 415 961 3611 MICROCOMPUTER STUDIES AVAILABLE EDN Microprocessor Design Series 6 96 Microprocessor Reprints EDN Magazine 221 Columbus Ave Boxton MA 02116 Microcomputer Digest 28 PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 4
55. or 11 6800 vs 8080 A Side by Side Compari son 135 Dallas TX Integrated Com puter Systems 12 14 How To Design With Microprocessors 395 Palo Alto CA Microcomputer Technique Inc 12 14 Military Microprocessor Systems 395 Dallas TX Integrated Computer Systems 17 20 Advanced Programming 395 Miami FL National Semiconductor 17 20 IMP 16 PACE Applications 395 Santa Clara CA National Semiconductor 18 6800 vs 8080 A Side by Side Compari son 135 Boston MA Integrated Com puter Systems 18 20 Microcomputer Application Workshop San Diego CA Naval Electronics Lab 19 21 How To Design With Microprocessors 395 Long Island NY Microcomputer Technique Inc 19 21 Military Microprocessor Systems 395 Boston MA Integrated Computer Systems 24 6800 vs 8080 A Side by Side Compari son 135 Ottowa Ont Integrated Computer Systems 25 27 Military Microprocessor Systems 395 Boston MA Integrated Computer Systems December 1 PROM Programing A Systems Approach Free San Jose CA Data I O Corp l 4 Advanced Programming 395 Santa Clara CA National Semiconductor l 4 IMP 16 PACE Applications 395 Dal PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Application
56. puter The microcomputer analyzes the EKG waveform and detects the P wave the heart rate trends of this rate fibrillation and transitions of pre set limits Eight systems were installed by the end of 1974 in the St Raphael Hospital at Leuven Microprocessor Design A project is now under study for realiza tion of a send receive preprocessor for cod ing and decoding transmitted data The pre processor will be coupled to normal digital computers and will have to transmit blocks of words at DMA speeds The main problem is related to the speed of the preprocessor cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST which will be studied in cooperation with the laboratory for solid state electronics and the laboratory of hybrid circuits of the University RIJKSUNIVERS ITEIR GENT ELECTRONICS AND ELECTRIC MEASUREMENTS LAB Microprocessor Utilization An Intel MCS 8 microcomputer has been used as the controller of a serial ASCII oriented instrumentation bus system A project is soon to be started to develop an MCS 8 controlled text edit
57. rminals and business machines FIAT is investigating the use of microprocessors for control systems involv ing the motor s carburation and the vehicle s motion It is also looking to employ micro processors at data acquisition points on its assembly lines Particular interest is shown by the tele communication industries While SIT Siemens considers the use of microprocessors for samll electronic telephone switching centers Telettra is concerned with their application to the control of highly reliable telecom munication systems In this last context the existing microprocessors are not consid ered satisfying particularly from the point of view of reliability and ad hoc systems with diagnostic programs stored in PROMs are proposed This same approach of defin ing the specifications of microprocessors for well defined applications is taken by some engineering firms as Techint working in the field of industrial control Here microprocessors are used as non standard man machine interfaces and factory terminals attempt is made to distribute the control over the whole controlled system rather than concentrating it in the central computer A very particular dedicated system using an ar ray of microprocessors is the one developed by Elettronica San Giorgio for high speed mail address recognition GERMANY By LUTZ RICHTER There is a diversity of activities within the field of microprocessing in Germany Al though most o
58. rocessor Company Marketing A Microprocessor As A Component PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor
59. s Technical Advisor MANNY LEMAS Applications Technical Advisor las TX National Semiconductor MICROCOMPUTER DIGEST l 4 Microprocessor Fundamentals 395 Miami FL National Semiconductor 3 5 How To Design With Microprocessors 395 Philadelphia PA Microcomputer Technique 8 11 Advanced Programming 395 Dallas TX National Semiconductor 8 11 IMP 16 PACE Applications 395 Miami FL National Semiconductor 8 11 Microprocessor Fundamentals 395 Santa Clara CA National Semiconductor 8 12 MicroPac 80 Workshop 400 Flint MI PCS Inc 10 12 How To Design With Microprocessors 395 Denver CO Microcomputer Tech nique 14 19 Microprocessors amp Minicomputers Interfacing and Applications 325 360 Blacksburg VA American Chemical Society 15 18 Advanced Programming 395 Miami FL National Semiconductor 15 18 IMP 16 PACE Applications 395 Santa Clara CA National Semiconductor SPONSORING ORGANIZATIONS AND CONTACTS ACM 75 45 S 7th St Minneapolis MN 55402 American Chemical Society Educational Activ ities Division 1155 16th St NW Washington DC 20036 202 872 4508 Data I O Corp 990 E Arques Ste 106 Sun nyvale CA 94086 408 732 8246 EASCON 1629 K St NW Ste 700 Washington DC 20006 Golden Gate Enterprises Inc 1333 Lawrence Expy Santa Clara CA 95051 408 241 7400 IEEE 7061 Yonge St Willowdale Ont 416 881 1930 Integrated Computer Systems Inc 4445 Over land Ave Culver City CA 90230 2
60. ss functions from the user s CPU The 108 system is currently available in 54 megabyte single spindle or 108 megabyte dual spindle configurations It can be connected to multiple CPUs and or terminals with RS232C communications interfaces I O bus parallel interfaces or by direct memory access The controller s 450 ns cache memory is expandable from 16K to 128K bytes The disc uses standard IBM type discs has a transfer rate of 806 kilobytes per second and a max imum track to track access time of 6 ms The data base management system which resides in the 108 controller enables the user s CPUs and intelligent terminals to deal with symbolically named files records and fields Despite the protocol imposed by most information storage and retrieval applica tions only host commands and specified data fields will pass between the host CPU and the IMSAI controller All indexing search ing and deblocking operations are performed by the controller and an RS232C interface can be used to connect any CPU or intelli gent terminal to the IMSAI 108 The IMSAI 108 is priced at 29 500 in the single spindle configuration Deliveries are 90 days ARO OEM quantities will be con sidered Pro Loc SupporTinG M6800 amp F8 Pro Log has announced they are now fully supporting the M6800 and will support the F8 microprocessor by December The basic 6800 CPU card 8611 provides full buffering for the address data and con trol busses clo
61. t has a modular com bination of RAMs ROMs and PROMs and con tains cards for a CPU a variety of memories input interrupt option display and an IEC bus card Software support includes utility programs cross assemblers for Philips computers test programs standard arithmetic routines and interrupt handlers An update of the system using the 8080 is in preparation The company is also considering the use of Intel s 8008 or 8080 microcomputers for in house telephone installation Attention is also being paid to the application of special ized microprocessors in line controllers for communication purposes cont d next page PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST Philips Computer Industrie in Apeldoorn is using Intel s 4004 and 8008 in their synchro nous data communication products In process control Hoogovens is using Intel 8008s in simple applications for mea surement devices The idea here is to use microcomputers if the problem is too simple for a PDP 8 computer but too complex to use hardwired logic Normally the microcomputer operat
62. tember 1975 coupling to a CDC STAR computer and an off line text editor Also under development is a modular system using the 8080 The system contains CPU cards PROM and RAM memory cards and I O cards The cards are Euro cards with a 72 pin connector The Technological University de Twente is devoted more to microprocessors and micro programmed designed from an architectural point of view than to microprocessor applica tions Much attention has been given to structured design The description and si mulation techniques use APL as a design lan guage A description of Intel s 8080 in APL which is under simulation in an interactive way is nearly completed A simple text edit ing system around the 8080 is also in devel opment Among the other universities the work done at the medical faculty of the Erasmus University of Rotterdam includes implementa tion of SIM 8 microcomputer boards in a spec imen distribution system a system to handle data from analyzing devices automatic sort ing of specimen and automatic labelling The Dutch PIT is paying particular atten tion to microprocessors in their research and development lab at Leidschendam A term inal system has been built around the Intel lec 8 system and an interface card to the PDP 8 E memory has been developed Within Philips the Industrial Data Pro cessing System Department of PIT Eindhoven has delivered a microcomputer control system built arount the 8008 I
63. tes Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Apolications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST front panel provides scope probe points for user M sync 1 and p signals and for a specific address reference RAM diagnostic programs and ROM checksum computation are also provided The front panel displays the complete user processor status so that problems can be rap idly detected The displays include inter rupts pending interrupts enabled ready wait reset hold hold acknowledge and halt plus Mi sync and p Software designers have available with the ICEBOX all the features of a software simula tion but none of the limitations of fake I O The programmer can load his program into the user s system RAM or program a PROM The MM 80 monitor will trace step or breakpoint even when the user s program is completely in ROM The programmer can select any or all of the registers to be displayed during the tracing The programmer can also snapshot trace on specific locations to give a con cise picture of program execution The MM 80 allows interrupts to be executed in the gt simulation mode as well as in the real time mode Real time debug is greatly aided by the use of the real time
64. the articles in the book have pre viously been reviewed by MICROCOMPUTER DI GEST however reading the book was enjoyable educational and provided an excellent journey back through time to when the first microcom puter was introduced Ten separate microprocessors are described tracing uC history from the 4 bit machine to the monolithic 16 bit chip Full length fea tures depict how to work with micros pos sible special techniques and many applica tions For 8 95 the book is an absolute must Microcomputers Fundamentals and Applica tions Edited by G Cain Miniconsult Ltd 1975 The material for this book was assembled from the lecture notes presented at a special course given in London in late 1974 and pub lished in 1975 Basic definitions and general characteris tics of uP are followed by an extensive uP survey providing valuable insight and commen tary on the present state of commercial uP production Hardware and software aspects are highlighted and general observations on overall system design implementation and self testing considerations are then followed by several application examples where uCs have been employed to advantage Finally useful background information on design fun damentals of logic circuitry in included How to Pick a Microprocessor or a Mini or Anything in Between David N Kaye Sr Western Editor Electronic Design 16 August 2 1975 This article is a light discussion on uC selection cr
65. ting Intel s 8008 and 8080 The reports can be obtained from Staffan Westbeck Department of Telecommunication THE NETHERLANDS By J WILMINK The Technological University of Eindhoven has researched several microprocessor appli cations All the software and hardware pro ducts mentioned here have been developed around the Intel 8008 microprocessor and are currently available Software support consists of a cross as sembler on the IBM 360 and a simulator writ ten in PL l For the 8008 a complete set of double precision floating point routines have been written There is also a software library with many application programs such as for traffic control The 8008 hardware has been designed in a modular system using Eurocards 100x160 mm Adaptation of an 8080 or another microproces sor to the system is relatively simple A universal traffic controller and a 128 channel I O multiplexer has also been built by the university The Technological University of Delft is also using microcomputers the first system being a desk calculator based on Intel s 8008 Other applications use Intel s SIM 8 cards For example a braille editor was designed to translate data in ASCII code to braille code The system provides for many options to correct the code in final braille text Additional applications include a telex terminal to send measured data automatically to a host computer a display unit Mini Bee 21 Volume 2 Number 3 Sep
66. uter Systems Software Development and Applications Techniques for Microcomputers 1400Skr Oslo Norway Integrated Computer Sys tems IMP 16 PACE Applications 395 Santa Clara CA National Semiconductor Microprocessors and Microcomputers A Comprehensive Technical Introduction and Survey 1400 Skr Copenhagen Den mark Integrated Computer Systems Hands On Microprocessor Design Course 300 Dallas TX Pro Log Corp M6800 Microprocessor Course 430 Toronto Ont Motorola M6800 Course How To Design With Microprocessors 395 Chicago IL Microcomputer Tech nique Inc Software Development and Applications Techniques for Microcomputers 1400Skr Copenhagen Denmark Integrated Com puter Systems Microprocessors and Microcomputers A Comprehensive Technical Introduction and Survey 1400Skr Helsinki Finland Integrated Computer Systems Computers and the Quality of Life 45 70 Minneapolis MN ACM 75 M6800 Microprocessor Course 430 Denver CO Motorola M6800 Course Advanced Programming 395 Santa Clara CA National Semiconductor Microprocessor Fundamentals 395 Dallas TX National Semiconductor a ae MICROCOMPUTER DIGEST 21 23 21 23 22 23 23 24 27 30 27 30 28 30 28 30 29 Hands On Microprocessor Design Course 300 Chicago IL Pro Log Corp M6800 Microprocessor Course 430 Phoenix AZ Motorola M6800 Course Software Development and Applications Techniques for Microcomputers 1400Skr Helsinki Fi
67. y two chips the microprocessor and any standard memory a user can address up to 4K bytes of memory to implement the control cont d on page 4 Copyright 1975 by Microcomputer Associates Inc All Rights Reserved M R Lemas President Published monthly Subscription 28 00 per year overseas 40 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor PATRICIA L DREISBACH Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor MICROCOMPUTER DIGEST TABLE OF CONTENTS SPECIAL FEATURES 16 Bit Panafacom Microprocessor 8080 In Circuit Emulator sentes The JOLT From MAI sssesess Lers aae Low Cost uP Enters Market asta ose Electronic Warfare eG aris ane Tel Micros Micros WESCON Theme 2 Microcomputer Education TECHNOLOGY GI IM1600 Now Available ssssseseses Rockwell Announces 2 Chip uP NEC To Truly Second Source 8080 Intel s Higher Speed 8080 uP aes Intersil Drops uP Prices 6secseeesas MICROCOMPUTER BASED PRODUCTS 4 Bit Educational Microcomputer Cramer To Offer uC Kits seseseses uC Spectrum Analyzer essssssoseso Ta Upgradable POS System sssessesesoo Microcomputer Serial Printer New Version Of Model 340 Terminal Intelligent Floppy Disc eee Pro Log Supporting M6800 amp F8 uC Controlled Wiring Analyzer

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