IP-OCTAL-232
Contents
1. SBS Technologies products are not authorized for use as critical components in medical applications such as life support equipment without the express consent of the president of SBS Technologies Inc This product has been designed to operate with IndustryPack PCeMIP or PMC modules or carriers and compatible user provided equipment Connection of incompatible hardware is likely to cause serious damage SBS Technologies assumes no liability for any damages caused by such incompatibility Table of Contents Product 5 MMEb s Addressing er tet et eddie Rites fee din d 7 NOBUS Addressitg 4 cu reete bie ERR UNE RR Re E 9 PirjAssighiTients cce tb bo boe M ch ne tt bb i cce geet t edi 10 IndustryPack Logic 12 Programin doeet dee 13 ID PROM ETE 14 USEF OpllOnS fet ee te dott t e ttn et ee 15 Construction arid Reliability 3 4 22 eh Ada Pee rd patere xac 16 R6D ll dt E eU eee e dec i a ee 17 shunt Locations teet de a ebat dem ade cet ad ds 18 List of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Simplified Block Diagram 232 5 6 R2. address may be derived from Figure 8 below by multiplying the addresses given by two then subtracting one RM1270 addresses may be derived by multiplying the addresses given by two then adding one The ID PROM used is an AMD 27LS19A available for user 19 17 CR 15 No of bytes used 13 Driver ID high byte 11 Driver ID low byte OF reserved 0 Revision OB Model No IP OCTAL 232 09 Manufacturer ID GreenSpring 07 ASCII C 05 A 1 03 ASCII P 50 1 0 ASCII I Figure8 ID PROM Data hex 14 User Options User options consist of connecting to the Strobe pin on the Logic Interface and connections to support DMA The location of the shunt groups is shown near the end of this Manual in Figure 11 The Strobe pin on the Logic Interface pin 46 is provided for secondary clock input or output This pin may be driven by the Channel a Multi Purpose Output from the SCC or it may be connected to provide for the external input the to Counter Timer These options are shown below in Figure 9 Note that in most cases some corresponding programming of SCC modes is required The SCC may be programmed to drive the connected pin for other functions that those listed in the Figure below The IndustryPack Logic Interface Specification restricts the Strobe pin to clock functions however Only those functions listed below should programmed Shunt E1 Function 1 2 Counter Timer output 1 2 Transmit Clock 1X or 16X 1
3. 2 Receive Clock 1X or 16X 2 3 General Purpose Input 2 3 Counter Timer External Input OUT Strobe Pin floating default Figure9 Strobe Connection Options The IP OCTAL 232 is configured to support minimum Direct Memory Access DMA on Channels C D To use DMA program the SCC for or RXRDY on MPOc and or MPOd See Figure 10 below for DMA Shunt Assignments Shunt SCC Pin Logic Pin Function E2 IN MPOc DMAReqO TxRDY or RXRDY E3 IN MPOd DMAReq 1 TxRDY or RXRDY E2 E3 OUT No DMA default Figure 10 DMA Shunt Assignments 15 Construction and Reliability IndustryPacks were conceived and engineered for rugged industrial environments The IP OCTAL 232 is constructed out of 0 062 inch thick FR4 material The six copper layers consist of a ground plane a power plane and four signal planes Surface mounting of components is used extensively IC sockets for the control PAL and ID PROM use gold plated screw machined pins High insertion and removal forces are required which assists in keeping components in place If the application requires unusually high reliability or is in an environment subject to high vibration the user may solder the four corner pins of each socketed IC into the socket using a grounded soldering iron The IndustryPack connectors are keyed shrouded and gold plated on both contacts and receptacles They are rated at 1 Amp per pin 200 insertion cycles minimum These connectors make consisten
4. RHRe IPCRC ISRC CTUC CRLC MR1f MR2f SRf RESERVED RESERVED INPUT PORT C START C T C STOP C T C Functional Block D MR1g MR2g SRg RESERVED RHRg IPCRD ISRD CTUD CRLD MR1h MR2h SRh RESERVED RHRh RESERVED INPUT PORT D START C T D STOP C TD MR1e MR2e CSRe CRe THRe ACRC IMRC CTURC CTLRC MR1f MR2f CSRf THRE RESERVED OPCRC RESERVED RESERVED 1 MR2g CSRg CRg THRg ACRD IMRD CTURD CILRD MR1h MR2h CSRh CRh RHRh RESERVED OPCRD RESERVED RESERVED Figure4 Register Map of SCC2698 Blocks C and D For NuBus applications see the section following Nubus Addressing NuBus Addressing Since the Nubus uses only 32 bit wide accesses 8 bit wide peripherals such as the OCTAL 232 appear in the host address space every fourth byte To calculate the RM1260 Springboard register addresses from the VMEbus address given in the previous section in Figures 4 and 5 multiply by two and subtract one To convert VME addresses to RM1270 SupportBoard addresses multiply by two and add one I O Pin Assignments This section gives the pin assignments for IP OCTAL 232 connections Function Level GND RS 232 C TxD RS 232 C RxD RS 232 C RTS RS 232 C CTS RS 232 C GND RS 232 C TxD RS 232 C RxD RS 232 C RTS RS 232 C CTS RS 232 C GND RS 232 C TxD RS 232 C RxD RS 232 C RTS RS 232 C CTS RS 232 C GND RS 232 C TxD RS 232 C RxD RS 232 C RTS RS 232 C C
5. output or baud rate clock input or none 5 VDC 170 mA 12 VDC 22 mA 12 VDC 9 mA 1 800 by 3 900 by 0 340 inches maximum Operating temperature 10 to 50 Humidity 596 to 9596 non condensing Storage 10 to 85 19
6. Protection diodes are provided in the 12 volt supply lines to permit connection to powered equipment even if the IndustryPack is unpowered Vectored interrupts are fully supported A common 8 bit vector register is provided Channels a b c d interrupt IRQO Channels e f g h interrupt on IRQ1 One of eight Channels Octart 4 232 x Logic SCC2698B Interface ID PROM Control PAL Eight general purpose inputs Vector Register Figure 1 Simplified Block Diagram of IP OCTAL 232 RS 232 C Octart Signal Out 12 RS 232 C Signal In Figure 2 Buffer Circuit DMA is supported on channels c and d If DMA is used then the Request To Send lines on these two channels are not available The IndustryPack is controlled by a single CMOS 22V10 type PAL Connection to the IP OCTAL 232 is via a standard 50 conductor ribbon cable An optional connection panel is available which provides a 50 pin flat cable input with 16 DB 9 male or female connectors The metal reinforced connection panel mounts in a standard 19 inch rack mount space If compatibility with pre 1994 IP OCTAL 232 IndustryPacks is required or for RS232D environments requiring a higher level of noise immunity a special order option Option 01 is available which shifts the nominal threshold slightly less than one volt This option does not provide TTL switching thresholds Reprints of the Data Sheets for the SCC2698B Schem
7. SBS Technologies IP OCTAL 232 Eight Channel RS 232 IndustryPack 1999 2005 SBSTechnologies Inc Subject to change without notice Hardware Revision B Part 89002067 Rev 1 0 20050119 IP OCTAL 232 Eight Channel RS 232 IndustryPack SBS Tecnologies Inc 1284 Corporate Center Drive St Paul MN 55121 Tel 651 905 4700 FAX 651 905 4701 Email support commercial sbs com 1999 2005 SBS Technologies Inc IndustryPack is a registered trademark of SBS Technologies Inc QuickPack SDpacK and Unilin are trademarks SBS Technologies Inc PCeMIP is a trademark of SBS Technologies Inc and MEN Mikro GmbH SBS Technologies Inc acknowledges the trademarks of other organizations for their respective products mentioned in this document All rights are reserved No one is permitted to reproduce or duplicate in any form the whole or part of this document without the express consent of SBS Technologies This document is meant solely for the purpose in which it was delivered SBS Technologies reserves the right to make any changes in the devices or device specifications contained herein at any time and without notice Customers are advised to verify all information contained in this document The electronic equipment described herein generates uses and may radiate radio frequency energy which can cause radio interference SBS Technologies assumes no liability for any damages caused by such interference
8. TS RS 232 C GND RS 232 C TxD RS 232 C RxD RS 232 C RTS RS 232 C CTS RS 232 C GND RS 232 C 27 A TxD RS 232 C 28 2 RxD RS 232 C 29 2 RTS RS 232 C 30 3 CTS RS 232 C 31 32 33 34 35 GND RS 232 C TxD RS 232 C RxD RS 232 C RTS RS 232 C CTS RS 232 C 36 37 GND RS 232 C C TxD RS 232 C 38 C RxD RS 232 C 39 C RTS RS 232 C40 Channel h CTS RS 232 C 23 09 09 09 09 1 GND 2 12 pullup RS 232 C Channe CMOS Channe MPI b CMOS Channe MPI c CMOS Channe MPI d CMOS Channe MPI e CMOS Channe MPI f CMOS Channe MPI g CMOS 5 Channe MPI h CMOS Note I O lines on pins 43 50 are 50 pA input current TTL thresholds Figure5 Pin Assignment 10 Each channel has five RS 232 C lines Each channel is wired identically at the 50 connector The five lines are Ground Transmit Data output Receive Data input Ready to Send output and Clear to Send input The common ground line for all channels connects to the local logic ground There are many programming options The two modem control lines RTS and CTS may also be used for other modem or terminal control functions or for general purpose functions There is a pullup resistor 1KQ to 12 volts available on pin 42 This may be connected externally to assert a Mark true signal into an RS 232 C line Eight general purpose input lines at non RS 232 levels are provided on pins 43 through 50 These are unbuffe
9. atic and PAL equations and sample serial cables are available VMEbus Addressing IP OCTAL 232 is accessed using 8 bit bytes at odd locations only It is usually accessed in the I O space Shown below in Figures and 4 are the register maps of the IP OCTAL 232 All addresses are offsets from the I O base address of the IP as set on the IP carrier board The SCC2698B Octal UART has four major internal sections called functional blocks A through D Each functional block has two serial channels one timer and one port Figure 3 Binary Read Functional Block A 000000 00000 0000 MR1a MR2a SRa RESERVED RHRa IPCRA ISRA CTUA CRLB MR1b MR2b SRb RESERVED RHRb RESERVED INPUT PORT A START C T A STOP C T A Functional Block B 0000 000 0010 00 0100 CO OO OOOO CoU C OO C MR1c MR2c SRc RESERVED RHRc IPCRB ISRB CTUB CRLB MR1d MR2d SRd RESERVED RHRd RESERVED INPUT PORT B START C T B STOP C T B MR1a MR2a CSRa CRa THRa ACRA IMRA CTURA CTLRB MR1b MR2b CSRb CRb RHRb RESERVED OPCRA RESERVED RESERVED MR1c MR2c CSRc CRc THRc ACRB IMRB CTURB CTLRB MR1d MR2d CSRd CRd THRd RESERVED OPCRB RESERVED RESERVED Register Map of SCC2698 Blocks A and B Binary Read Functional Block C 00000 0000 0000 000 0010 00 0100 MR1e MR2e SRe RESERVED
10. egister Map of SCC2698 Blocks A and 7 Register Map of SCC2698 Blocks C and 2 8 J O Piri rer a o o hate b nds 10 Logic Interface Pin 12 Location of the Vector 13 ID PIROM Data Dex ctio nisle t hte eri tee o rte Rss 14 Strobe Connection 15 Shunt 15 Shu ntEocatlons ioter fe e i 18 Product Description IP OCTAL 232 is part of the Industry Pack family of modular I O components It is based around the Signetics CMOS SCC2698 Octal Universal Asynchronous Receiver Transmitter This component provides eight channels of full duplex asynchronous serial communications baud rate generators state change detect logic and four 16 bit counter timers A block diagram of the IP OCTAL 232 is shown below in Figure 1 RS 232 C communication levels are provided by CMOS MC14C88 and MC14C89 transmitters and receivers Five signals for each channel on the RS 232 C interface are supported Transmit Data TxD Receive Data RxD Ready To Send RTS Clear To Send CTS and ground The MC14C89 Receivers are biased at 1 5 volts nominally to permit a variety of input signal levels to be received without additional interface circuitry The interface circuit is shown below in Figure 2
11. h a square pad on the IndustryPack Figure 6 Logic Interface Pin Assignment 12 Programming The IP OCTAL 232 is designed around the SCC2698B and all of the SCC2698 functions are available The SCC2698B is divided into four Functional Blocks lettered A through D Each functional block contains two serial channels The channels are identified by lower case letters a through h The SCC2698B contains 64 internal registers 16 for each functional block Each of these registers are accessible using a read or write to the IP OCTAL 232 I O space The SCC2698 manual is included with the Technical Documentation to provide the user with detailed information about these registers The IndustryPack provides an external vector register The address of the vector register which may also be read normally is in the upper half of the ID PROM space of the IndustryPack on odd bytes The address offsets are shown in Figure 7 There is also provision for mapping the vector register to IP memory space This is required primarily when the IP is installed on a Motorola MVME162 CPU board In this mode no address offset is required the memory base address is sufficient Carrier Bus Address VIPC310 VMEbus IP I O base C1 VIPC610 VMEbus IP I O base C1 MVME162 IPIC IP Memory base RM1260 NuBus IP ID base 81 RM1270 NuBus IP ID base 83 Figure 7 Location of the Vector Register The eight bit vector is loaded by the host software prior to enab
12. ler Products returned to SBS for repair by other than the original customer will be treated as out of warranty 17 Shunt Locations O O O O O O O O O 22 aor BD o o 0 886922025 a 9 a 000000000 00 O O O O O O O 0 Figure 11 Shunt Locations 18 Specifications Logic Interface Wait States Number of Channels Type of Channels Baud Rates Implemented Signals Stop Bits Clock Source Error Detection Channel Modes Number of Timers Type of Timers Interrupt Sources Interrupt Vector Auxiliary Input lines IP Strobe Options Power Requirements Dimensions Environmental IndustryPack logic Interface Zero on ID and Interrupts One on SCC accesses Eight Full duplex asynchronous RS 232C 18 fixed rates from 50 to 38 4K Four user defined rates using timers TxD RxD RTS CTS GND 1 1 5 2 in 1 16 bit increments Local crystal oscillator or external Parity framing overrun false start bit break Full duplex automatic echo local loopback remote loopback Four 16 bit multi function programmable 32 maskable vectored Eight bits may be independently read writable Eight TTL CMOS inputs programmable bit input or state change detect causes interrupt or counter external clock input Timer
13. ling interrupts The interrupts service routine polls the SCC2698B to determine the detailed cause of the interrupt Function Blocks and interrupt on IRQO Function Blocks and D interrupt on IRQ1 See the User Manual for your IP Carrier tor interrupt mapping to your bus Note that although two distinct interrupt levels are provided there is a single vector for the IndustryPack A Hypercard stack is available that permits quick demonstration testing and prototyping of the IP OCTAL 232 A user provided Apple Macintosh family computer is required 13 ID PROM Every IP contains an IP PROM whose size is at least 32 x 8 bits The ID PROM aids in software auto configuration and configuration management The user s software or a supplied driver may verify that the device it expects is actually installed at the location it expects and is nominally functional The ID PROM contains the manufacturing revision level of the IP If a driver requires that a particular revision be present it may check for it directly Standard data in the ID PROM on the IP OCTAL 232 is shown in Figure 8 below For more information on IP ID PROMS refer to the IndustryPack Logic Interface Specification The location of the ID PROM in the host s address space is dependent on which carrier is used Normally for VMEbus carriers the ID PROM space is directly above the IP s I O space or at IP base 80 Macintosh drivers use the ID PROM automatically RM1260
14. red CMOS logic inputs connected directly to the SCC2698B They may be programmed as general purpose inputs or as the counter timer external input The switching threshold for inputs is at TTL levels 1 5 volts nominal Since these lines are unbuffered the user is cautioned to observe anti static rules in handling cabling the IndustryPack and all connecting hardware External equipment connected to these lines should be powered up and down at the same time as the IndustryPack 11 IndustryPack Logic Interface Pin Assignment Figure 6 below gives the pin assignments for the IndustryPack Logic Interface on the IP OCTAL 232 Pins marked n c below are defined by the specification but not used on OCTAL 232 GND CLK Reset DO D1DMAReq0 D2 D3 DMAReq1 D4 D5 DMAck0 D6 GND 5V R W IDSel 5 30 MEMSel 7 32 INTSel 9 34 IOSel D7 DMAck1 11 36 n c Al 2 n c n c 38 n c A2 4 n c n c 40 n c A3 6 n c n c 42 n c A4 8 n c n c 44 n c A5 20 BS1 Strobe 46 12V A6 22 12V Ack 23 48 5V n c 24 GND GND 25 50 Note 1 The no connect n c signals above are defined by the IndustryPack Logic Interface Specification but not used by this IP See the Specification for more information Note 2 The layout of the pin numbers in this table corresponds to the physical placement of pins on the IP connector Thus this table may be used to easily locate the physical pin corresponding to a desired signal Pin 1 is marked wit
15. t correct insertion easy and reliable The IP is optionally secured to the carrier with four metric M2 stainless steel screws The heads of the screws are countersunk into the IP The four screws provide significant protection against shock vibration and incomplete insertion For most applications they are not required The IndustryPack provides a low temperature coefficient of 0 89 W C for uniform heat This is based on the temperature coefficient of the base FR4 material of 31 W m C and taking into account the thickness and area of the IP This coefficient means that if 0 89 Watts is applied uniformly on the component side that the temperature difference between the component and the solder side is one degree Celsius 16 Repair Service Policy Before returning a product for repair verify as well as possible that the suspected unit is at fault Then call the Customer Service Department for a RETURN MATERIAL AUTHORIZATION RMA number Carefully package the unit in the original shipping carton if this is available and ship prepaid and insured with the RMA number clearly written on the outside of the package Include a return address and the telephone number of a technical contact For out of warranty repairs a purchase order for repair charges must accompany the return SBS will not be responsible for damages due to improper packaging of returned items For service on SBS products not purchased directly from SBS contact your resel
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