8051 EVM Manual - Pantech Solutions
Contents
1. 30 6 16 PS 2 00000 32 6 17 Analog Digital Convertor SPI 32 ZIV 33 7 LAY OUT 37 8 Easy Programming Steps Atmel NXP Dallas Microcontrollers 38 1 Introduction Thank you for purchasing the SLICKER 8051 Kit You will find it useful in developing your 8051 application SLICKER 8051 Kit is proposed to smooth the progress of developing and debugging of various designs encompassing of High speed 8 bit MCU from NXP Dallas Atmel The board supports 8051 family devices with various memory and peripheral options It integrates on board two UARTs LEDs Relays Motor Interface keypads an ADC input and GLCD LCD Display to create a stand alone versatile test platform 1 1 Packages SLICKER 8051 Kit NXP P89V51RD2 MCU e Serial Port Cable Parallel Cable for Atmel e Printed User Manual e 10 PIN FRC cables CD contains e Software Programmers IDE o Example Programs User Manual 1 1 Technical or Customer Support E mail questions to support pantechsolutions net Send questions by mail to Pantech Prolabs India Pvt Ltd 41 Rajeswari Street Santhosh Nagar Kandhanchavadi Chennai 600 096 Tamilnadu India Phone 91 44 64524445 46 47 Fax 91 44 4260 6350 Websit2. EE 12 D 93 DO 950 FS DO DO 12 5C FF 60 EB CO Aube 960 E9 12 08 3B DO ED 24 01 F9 DO 970 EO 34 00 DO FB E5 19 04 60 DC D5 19 80 4 980 87 7B 79 D2 02 80 79 10 80 02 79 i i 990 C2 06 C2 08 80 08 02 DS 79 04 79 CZ 24 1 Goa A oa E 3 3 T ia ra ua a Automatically program the device 1 Options Menu Select Port LP1 Device Selection AT89S51 Clock 12MHz 2 File Menu Load Buffer Load your hex file Code LED Blink Out LEDBlink hex 3 Instructions Auto Program In Lock Bit settings Lockbit Manager Select one of the following options Program Lock Features Cancel External or write External MOVE write read External MOVC write read or exe Executions Instructions Menu Run Target Your program Now executes Note Options Menu Initialize It comes to program mode 3 Dallas Microcontrollers Hardware Settings PGM Mode EXE Mode Select Dallas mcu DS89C450 Select device Select device DS5001 FP DSSO002FP 155250 DSL S20 D 8700 D 58 LS30 D 56000 D 587L530 D 58700 589 420 589 430 D 583C440 Du
3. 2 s DATA P2 1 and CLK P2 0 lines connected to MCU s Port Lines for example keyboard connected to the ADB board it act as a pc keyboard pressed key code displayed in LCD or PC s Hyper Terminal window 6 17 Analog Digital Convertor SPI ADC The Microchip Technology Inc MCP3202 is a successive approximation 12 bit Analog to Digital A D Converter with on board sample and hold circuitry The MCP3202 is programmable to provide a single pseudo differential input pair or dual single ended inputs Differential Nonlinearity DNL is specified at 1 LSB and Integral Nonlinearity INL is offered in 1 LSB MCP3202 B and 2 LSB MCP3202 C versions Communication with the device is done using a simple serial interface compatible with the SPI protocol The device is capable of conversion rates of up to 100ksps at 5V and 50ksps at 2 7 Hardware Connections ADC P2 0 CS P2 1 SCK P2 2 SDO and P2 3 SDI to make switch SW33 ON for ADC Selection VCC CHO 2 ADC CS ADC SCK CH1 3 ADC SO ADC SI SW 8 VCC VCC 9 Q HEADER 3 4 10 2 10K 2 1 472 CHO 4 R48 CHT 2 EXT 2 gt EXT 2 3 SN 3 3 JP9 m ADCIPO 1 ADCIP1 6 18 RF433 92MHz Radio Frequency any frequency within the electromagnetic spectrum associated with radio wave propagation When an RF current is supplied to an antenna an el
4. EN oc oc 6 14 SPI DAC The Microchip Technology Inc MCP492X are 2 7 5 5V low power low DNL 12 Bit Digital to Analog Converters DACs with optional 2x buffered output and SPI interface The MCP492X are DACs that provide high accuracy and low noise performance for industrial applications where calibration or compensation of signals such as temperature pressure and humidity are required Features 12 Bit Resolution e 0 2 LSB DNL typ 2 LSB INL typ e Single or Dual Channel e SPI Interface with 20 MHz Clock Support e Simultaneous Latching of the Dual DACs w LDAC e Fast Settling Time of 4 5 us Selectable Unity or 2x Gain Output 450 kHz Multiplier Mode e External VREF Input e Extended Temperature Range 40 C to 125 C Hardware connections SPI DAC P3 0 CS P3 1 SCK and P3 2 SDI to make switch SW32 ON for SPI DAC Selection 6 15 RS485 HEADER 2 U1 VCC SW32 0 1D B 0 DAC GS 5 VDD VOUTA DAC SCK3 C S VREFA DAC SDI 4 SCK AVSS SDI LDAC C15 100nF s MCP4291 SW DIP 8 EI The Max485 is a differential line transceiver suitable for high speed bidirectional data communication on multipoint bus transmission lines It is designed for balanced data transmission and complies with EIA Standards RS 485 and RS 422 The part contains a differential line driver and a differential line receiver Both the driver and the receiver may be enabled inde
5. placed correctly in the 3 pin socket in the 8051 otherwise the DS1820 could be permanently damaged 0518520 sensor output connected to MCU s Port Pin P2 5 to enable switch SW33 U12 51820 1 WIRE SW DIP 8 Features e Unique 1 Wire interface requires only one port pin for communication Multi drop capability simplifies distributed temperature sensing applications e Can be powered from data line Power supply range is 3 0V to 5 5V e Measures temperatures from 55 C to 125 C 67 F to 257 F e 0 5 C accuracy from 10 C to 85 C 9 bit thermometer resolution Converts temperature in 750ms max com _9600 HyperTerminal E Edit View Transfer Help Dallas 1 Wire Technology Digital Temperature Temperature 32 0 ee ANSIW 3600 amp N 1 5 CROLL CAPS UM 6 11 4x4 Matrix keypad Keypads arranged by matrix format each row and column section pulled by high all row and column lines terminated at CN6 VCC O 10 5 WN SW11 SW12 SW13 SW14 4 AWS O O O O O O O 6 INSNI NN R2 gt 8 RAG AN SW16 17 SW18 SW19 O O R9 gt SW22 SW23 SW24 SW25 O 4 __ gt gt gt gt 6 12 Motor Driver Section The ULN2803A is a high voltage high current Darlington transist
6. 00 im B 4 E E 4 A 3 027 5027 f 51371 LMlUd uammd HO 430 f Eoo oap JE 7 dace RISE 1 al 2 1 F1 PF EN Tor mL C I mn 8 Easy Programming Steps Philips NXP Microcontrollers Software Settings 1 open Flashmagic isp software Step 0 Go to Options Menu then choose Advanced Options Advanced options windows appears Choose Hardware Config tab Deselect Use DTR to Control RST checkbox Advanced Options Keep ATS asserted while COM Port open Th so m 7 0 Asset OTR and ATS while COM Port open Step1 Select Com Port E g COM1 or COM2 e Set baud rate 9600 e Select Device 89V51RD2 Interface None ISP Step2 Check Erase all Flash 8 3 Flash Magic NON PRODUCTION USE ONLY File ISP Options Tools Help Step 1 Communications COM Port EOM Baud Hate 9600 Device ROZ Interface None Erase all Flash Erase blocks used by Hex File Step 3 Hex File File MNTU_Pantech JNTU_Lab_Examples Ex1_LED 1_LED Browse Modified Unknown more infa Step 4 Options Step 5 Start Verify after programming Set Security Bit 1 Filunused Fl
7. 7805 voltage regulator which provides supply to the entire device on the board USB socket meant for power supply only user can select either USB or Ext power supply through JP1 Separate On Off Switch for controlling power to the board U1 78XX TO 3 BRIDGE we t4 N 4 MCU Sockets 2 1 _ _ SW2 7 330 er o2 S D ps 5 ou 1 SW KEY SPST e The 8051 development board is delivered with ATMEL s 40 amp 44 CAN Controller Microcontroller User can remove this and fit different microcontroller DIPAO packages of an adequate pin out e NOTE Since all packages have parallel connections there must not be more than one microcontroller on the board at a time 5 Flash Programming Utility 1 NXP Philips NXP Semiconductors produce a range of Microcontrollers that feature both on chip Flash memory and the ability to be reprogrammed using In System Programming technology amp 3 Flash Magic NON PRODUCTION USE ONLY File ISP Options Tools Help Step 1 Communications COM Port 1 Baud Rate 3500 Device 8951 AD Interface None ISP Erase all Flash Erase blocks used by Hes File Step 3 File File WINTU_PantechNTU_Lab_ExamplessEx1_LED 1_LED Browse Modified Unknown more infa Step 4 Options Step 5 Start Verify after programmin
8. Flash gt Completed Loading Hex file 6 On board Peripherals The Development board comes with many interfacing options 8 Nos of Point LED s Digital Outputs 8 Nos of Slide switches Digital Inputs 2 Lines X 16 Character LCD Display 128 64 GLCD Interface Real Time Clock with battery backup 4 Nos of Seven segment display Digital Temperature Sensor 4 X 4 Matrix keypad Relay Stepper Motor driver circuit SPI Digital to Analog Converter Serial EEPROM memory RS485 serial communication through long distance 200m Two UART for serial port communication through PS 2 keyboard Interface RF 433 92MHz Transmitter Receiver SPI Analog Digital Converter 6 1 Light Emitting Diodes e Light Emitting Diodes LEDs are the most commonly used components usually for displaying pin s digital states e The 8051 Advanced Development kit has 8 nos of Point LED user can interface the point LEDs with any port User can use PO P1 P2 and P3 ports e Connector CN7 for LED connector when High Level goes to the pin LED glows 3MM LED REEERE RED Color N 6 2 Digital Inputs Slide Switch e This is another simple interface 8 Nos of toggle switch mainly used to give an input to the port lines and for some control applications also e All the lines are pulled up when make to switch ON it goes to low logic to the i o pins VCC 5555555
9. Pin for Hardware Data Protection e 8 byte Page 1K 2K 16 byte Page 4K 8K 16K Write Modes e Partial Page Writes are Allowed e Self timed Write Cycle 10 ms e High reliability Endurance 1 Million Write Cycles Data Retention 100 Years VCC 2 SDA 5 2 SCL 6 SW 8 6 8 Seven Segment Display In Embedded module 4 nos of common anode seven segment displays are used The segment lines of seven segments LED is being terminated at connector CN9 The digit select lines are connected to the port pins of 8051 by using BC547 All the common anode displays consume very small amount of current User can use segment lines at any port PO P1 and P2 by default digit select lines connected to Port P3 of Pin3 4 to P3 7 User connect 7 seg Data lines following possible ways Not 5 7 SEG CON MCU CON CN9 CN2 CN9 CN3 CN9 CNA 6 9 Interrupts Microcontroller s two external interrupts lines are terminated at switches SW5 INTO and SW6 INT1 SW5 INTO 5 go INTO SW6 INTI o INT INTERRUPTS Note While using interrupt P3 2 make high to SW4 for Interrupt 0 P3 3 make on to SW4 for interrupt 1 5 4 P3 3 SW DIP 8 6 10 DS1820 Digital Thermometer e The DS1820 digital thermometer is well suited to environmental temperature measurement having a temperature range of 55C to 125C and an accuracy of 0 5C t must be
10. R8 X 99 9 5 co T LO sr co R10 10k SW15 1 20 Nol__ R11 10k 5 20 gt 29 ol __ R12 10k SW21 R13 10k SW26 s 2 gy R14 10k Ili SW27 R15 10k oes 5 v 29 ol R16 10k 5 29 7 gt 2 5 ew R17 10k SW30 ss Cnv 20 1 2 53 54 S5 S6 S7 S8 Digi 6 3 LCD 2x16 8 Bit Mode e When using a character LCD in an 8 bit mode the connector CN10 connects the LCD to Microcontroller port lines User can use LCD Data lines to Port PO P1 and P2 not P3 because P3 lines P3 5 RS P3 6 R W and P3 7 Enable connected by default The LCD s contrast can be adjusted by varying the trimpot R24 e Place 2x16 Character LCD to proper place mentioned legend in PCB Note Possible ways to interface LCD Not CN5 LCD CON MICU CON 1 CN10 CN2 2 CN10 CN3 3 CN10 CN4 6 4 128X64 Graphic LCD e When using a Graphic LCD the connector CN11 connects the LCD to Microcontroller port lines User can use GLCD Data lines to Port PO P1 and P2 not P3 because P3 lines P3 3 CS1 P3 4 CS2 P3 5 RS P3 6 R W and P3 7 Enable connected by default The LCD s contrast can be adjusted by varying the trimpot R23 e Place GLCD to proper place mentioned in PCB Note Possible ways to interface LCD Not 5 LCD CON CON 1 CN11 CN2 2 CN11 CN3 3 CN11 CN4 6 5 RS 232 Communication RS 232 communication enables point to
11. This document is owned p www pantechsolutions net Republishing or redistribution is prohibited MICRO CONTROLLER BOARDS 8051 Advanced Development kit Contents OCUCEIDEI 1 vax 3 1 2 Technical or Customer Support Error Bookmark not defined T 4 2 Connectors and Jumper Detalls 8 3 11 IW SOCKET 12 12 6 On board Peripherals tu DRM 15 6 1 Light Emitting Diodes FI REDIMI US DRE TR E 16 6 2 Digital Inputs Slide Switch eese 17 LOD 2x 1G 18 6 4 128X64 Graphic LOD RT 19 tas COMMUNICA 20 0 0 Real TIME CIOCK 21 ora eh ROI 22 6 8 Seven Segment Display 23 S U EE E 24 6 10 051920 Digital Thermometer 25 6 11 4x4 Matrix 26 6 12 Motor Driver Section 2 0 eene nennen terere 27 5 15 RELAY SECO TIUS EPIRI 28 29 suu
12. ash Gen black checksums Execute Prog Clocks Bit Rotating fully customizable remotely updated Internet links Embed them in your application www embeddedhints Step3 load or locate your Hex files Step4 select options you want like above figure verify erase security bit Step 5 press Start button Reset Device Press Hardware RST Button SW3 Now it starts Erasing Program amp Verifying RESET 2 Atmel Microcontrollers Hardware Settings PGM Mode EXE Mode Software Settings mi Atmel ATSSISP Software AT83551 Code Buffer 4k x 8 FLASH Code Mi View Buffer Instructions Options Windows Help B T CE D ert ta Auto Program _ a ho k e _ a dd B4 LA DH EF 50 04 Ca ES De US DI I2 SEO SO OO 80 CO De 02 De DS 80 De 05 SFO 80 B4 20 12 08 3B 20 02 07 74 01 B5 18 00 40 900 Fi 12 00 FF 12 08 3B 02 08 74 D2 08 02 06 80 910 95 12 08 00 FB 12 08 00 12 08 00 F9 44 4B 70 920 O06 79 1 OB 7B FF 20 02 2E E5 18 60 2 00 930 82 75 83 00 12 OB 75 60 06 EE 65 19 70 FD Zu 940 C2 DS EB ES
13. e www pantechsolutions net 1 3 Board Introduction Pantech Solutions Embedded Advanced Development module is proposed to smooth the progress of developing and debugging of various designs encompassing 8051 Microcontrollers from Philips Atmel Dallas The intention of the design is to endorse the engineers to exercise and explore the capabilities of 8051 microcontrollers with many communication protocol ease The board is compatible with 40 DIP 44 PLCC pin Microcontrollers The kit is designed so as to facilitate separate On board ISP Programmer for Atmel microcontrollers and Philips Microcontroller through ISP on serial port Programming be done without detaching the Microcontroller from the ZIF socket M ee IL 4 PONER suPPLY J bu A LUE DISP e PE 8051 4 BOARD 9619520 s fw w POINT 4 ATMEL 15 PROGRAKMER eee ee eee eee eee PEERS E N WREST AAAS 1 e per 254 INTERRUPTS bk E ES 20 5 T CTS uar jJi INT 1 INTO T SS SS wr i 4 m 11 IN RF SECTION 3315 4342 232323311310 It provides complete development platform with different modules interface that accelerates the task of designers to run application
14. ection encoder Receiver section decoer JP13 Rx Module 015 LED R57 330E 016 LED R58 330E IEEE o e D17 LED R59 330E SW DIP 8 A UJ UA uM 018 LED R60 330 RF Interface connector 1 Application Schematic without Microcontroller Transmitter Section Address selection TX Mod ule Encoder HT12E 4 Bit Data I P Receiver Section Address selection RX ule SW36 422 ODMH Decoder HT12D 4 Bit 7 Board Layout ERE XI 1 I 3 4 FEHI ZIHI ZIHI a E z z z 12 dL dE gt x 21 1H3 m r dL TH TIHI TIHI r1 c 20 r Ibo oe m 180 me 512 nu Cab Lu 451 1 HD C dd 1 1 12 4 2 HALICWSNGAL 008 E HR Tur 112 ETH c tal im E ET H E 3z1 115 241 3dIn 1 da8l 43HlUV 108 145 AJEC 52 108 33 SHIN 1 014 00
15. ectromagnetic field is created that then is able to propagate through space Many wireless technologies are based on RF field propagation Receiver Module Transmitter Module Application Areas Wireless mouse keyboard Wireless data communication e Alarm and security systems e Home Automation Remote control Automotive Telemetry e Intelligent sports equipment Handheld terminals Data loggers Industrial telemetry and Telecommunications In building environmental monitoring and control High end security and fire alarms Transmitter Section RF433 92MHz transmitter Module conneted with 4 bit encoder user can evaluated RF interface in two ways Standalone without MCU user can give inputs through 4 way DIP switchSW35 while making switch SW35 to ON positions inputs low goes to the encoder Data will transmit through the module Also provided to configure address lines of the encoder Note While RF Testing set same addresses for both transmitter section encoder Receiver section decoer TX Module 010 LED R49 330 011 LED R50 330 TX D1 D12 LED R52 330E D13 LED R53 330E Receiver Section RF433 92MHz Receiver Module connected with 4 bit decoder user can evaluated RF signal with the help of LED indications Whenever receives data through transmitter VT LED indicates for valid transmission Note While RF Testing set same addresses for both tranitter s
16. g Set Security Bit 1 Fil unused Flash block checksums Execute Prog Clocks Bit Rotating Fully customizable remotely updated Internet links Embed them in your application Www embeddedhints com n Note Detailed Manual available at Flash Magic Help menu Manual 2 ATMEL Microcontroller ISP Note Atmel Microcontrollers PGM mode user can select switch settings to color shaded position EXE Mode disable switches to off position PGM Mode EXE Mode us Atmel ATSSISP Software AT83551 Code Buffer 4k x 8 FLASH Code _ ES File View Buffer Instructions Options Windows Help b BUFF 89551 Code Buffer 4k 8 Beg Auto Program Ca A r raa T 2 Automatically program the device Note Detailed Manual available for 8051ADB Softwares Programmers AT89ISP User Manual pdf 3 Dallas Microcontroller ISP EXE Mode PGM Mode Note Dallas Microcontrollers PGM mode user can select switch settings to color shaded position EXE Mode disable switches to off position MicroController Tool Kit 0589 450 IOl x File Edit Options Target Help DSS9C450 LOADER VERSION 2 1 COPYRIGHT 2002 DALLAS SEMICONDUCTOR gt Loading File C Documents and Settings Administratori Desktop s051 ADB Examples LEDS LED Flash hex Erasing
17. ggle switches Digital Inputs 4x4 Matrix keypad Stepper Motor Driver Output Two Nos of 5V Relay with termination PS 2 keyboard Interface RF 433 92MHz Transmitter Receiver Communication Protocols 2 Two Wire Interface Philips NXP SPI Motorola 1 wire Technology Maxim Dallas Two Full Duplex UART EIA RS485 EIA e Other Features Analog to Digital Converter Digital to Analog Converter Real Time Clock with Battery Backup Serial EEPROM memory RF 433 92MHz Transmitter Receiver Digital Temperature sensor RS485 serial communication through long distance gt 200m Two UART for serial port communication through PC ISP In System Programming for NXP Dallas controllers Parallel programmer for Atmel 8955 family controllers Two pushbuttons for Interrupts study Easy to mount 40 pin DIP Devices ZIF socket Controlling of multifunction through DIP Switch 2 Connectors and Jumper Details CN3 10PIN Box Header PORT Connector MICU Pin Connector MICU Pin Pin Name Pin Name Numbers Numbers Connector MICU Pin Connector MICU Pin Pin Name Pin Name Numbers Numbers 5 10PIN Box Header PORT 3 Connector MICU Pin Connector MICU Pin Pin Name Pin Name Numbers Numbers 9 VCC 10 GND 3 Power Supply The external power can be AC or DC with a voltage between 9V 12V 1A output at 230V AC input The 8051 board produces 5V using an LM
18. mb Terminal _ as poseen 1 Options Menu Select com port and set baud rate to 9600 Configure Serial Port x Port Speed Ok Cancel 2 Target Menu 1 Open 1 9600 2 Connect to Loader We get window like this 3 File Load Flash Examples Code LED Blink Out LEDBlink hex HMicroController Tool 05896450 File Edit Options Target Help DSe9C450 LOADER VERSION 2 1 COPYRIGHT 2002 DALLAS SEMICONDUCTOR gt Loading File C Documents and Settings Administrator 8051 ADB Examples LEDS LED Flash hex Erasing Flash gt Completed Loading Hex file Execution Mode Set DIPSWITCH SW4 EXE Mode Pantech solutions creates information packed technical documents like this one every month And our website is a rich and trusted resource used by a vibrant online community of more than 1 00 000 members from organization of all shapes and sizes What do we sell Our products range from Various Microcontroller development boards DSP Boards FPGA CPLD boards Communication Kits Power electronics Basic electronics Robotics Sensors Electronic components and much more Our goal is to make finding the parts and information you need easier and affordable so you can create awesome projects and training from Basic to Cutting edge technology
19. nsferred serially via a 2 wire bi directional bus The clock calendar provides seconds minutes hours day date month and year information The end of the month date is automatically adjusted for months with fewer than 31 days including corrections for leap year The clock operates in either the 24 hour or 12 hour format with AM PM indicator This RTC circuit is facilitated with Battery backup when supply fails battery voltage goes to DS1307 RTC chip 7 i S 1N4148 lt 5 M 3 6V Battery 09 2 1 1 1N4148 E SW33 4 S R464 lt R45 15 4AK7 lt 4 7 2 SDA 2 SCL 051307 SW 8 Note Before using RTC make switch settings like above mentioned 6 7 Serial EEPROM The AT24C01A 02 04 08 16 provides 1024 2048 4096 8192 16384 bits of serial electrically erasable and programmable read only memory EEPROM organized as 128 256 512 1024 2048 words of 8 bits each The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential Lines CLK P2 6 and SDA P2 7 connected for 2 communication Features of AT24Cxx e Internally Organized 128 x 8 1K 256 x 8 2K 512 x 8 4K e 2 wire Serial Interface e Schmitt Trigger Filtered Inputs for Noise Suppression e Bi directional Data Transfer Protocol 100 kHz 1 8V 2 5V 2 7V and 400 kHz 5V Compatibility e Write Protect
20. or array The device consists of eight NPN Darlington pairs that feature high voltage outputs with common cathode clamp diodes for switching inductive loads collector current rating of each Darlington pair is 500mA The Darlington pairs may be connected in parallel for higher current capability ULN2803 is used as a driver for port I O lines drivers output terminated to connector CN12 there can interface relay stepper motor or any driving source could need more than 50mA Motor can connect JP3 or J3 connector Note User select Internal VCC or External through JP6 header DRI 5 2 STM C DR3 STM_D DR4 RLI DRS RLZ DR6 LN_PWR JP3 CN12 DE ULN PWR DR3 DR5 SIM D HEADER 6 VCC J4 JP6 T b EXT VCC 2 1 EXT VCC 2 ULN PWR 3 MOTOR RELAY HEADER 2 HEADER 6 6 13 Relay Section In ADB Board two no Of SPDT relays are used Both the relays operate on 5V DC The outputs of both the terminals of the relay are taken out on the connecter to connect the external circuitry The relay can be connected to the Microcontroller through any of the selected port P0 4 amp 5 or P1 4 amp P1 5 or P2 4 amp P2 5 by using the FRC connecter R33 330E D5 RELAY SPDT RELAY SPDT RL1 6 RL1 ULN PWR2 LED RL2 R1 NC R2 NC R2 R34 330E D6 R1 NO R2 NO RL2 ED VCC lt 2 2 gt gt lt lt
21. pendently Features Meets EIA RS 485 Standard 5 Mbps Data Rate Single 5 V Supply 7 V to 12 V Bus Common Mode Range High Speed Low Power BiCMOS Thermal Shutdown Protection Short Circuit Protection Driver Propagation Delay 10 ns Receiver Propagation Delay 15 ns High Z Outputs with Power Off Hardware connections RS485 P3 0 RXD P3 1 TXD and P3 2 RT to make switch SW32 ON for RS485 Selection SW32 EADER 3 SW 8 Application Schematic OP0 0 ADO PO 1 AD1 2 2 P0 3 AD3 4 4 P0 5 AD5 i P0 6 AD6 1 7 7 7 RXD 485 ME WT ES PAID ALE PROG R32 485 P3 2 INTO PSEN VA 28E P3 3 INT1 R33 P3 4 TO ARE P3 5 T1 P2 7 A15 7 C2 P3 6 WR 2 6 14 t lo P3 7 RD P2 5 A13 10uF P2 4 A12 RST 2 3 11 2 2 10 2 1 9 2 gt 1 1 0592MHz XTAL2 P2 0 A8 S XTAL1 x cs 9 A 33PF 89551 exis L shielded pair L 1 5 9 ol 4 O tc 11 8 iy TXD_232 10 Bd s E 2 lt 485 12 2 m RXD 232 9 6 E Li 1 10uF 3 4 C4 10uF 5 RS485 RS232 Adaptor Examples Code RS485 send out send hex Examples Code RS485 receive out receive hex 6 16 PS 2 Interface User can connect PS 2 Devices like keyboard mouse to the 8051 ADB board PS
22. point data transfer It is commonly used in data acquisition applications for the transfer of data between the microcontroller and a PC e The voltage levels of a microcontroller and PC are not directly compatible with those of RS 232 a level transition buffer such as MAX232 be used TIIN STOUT T2IN gt T2OUT R1OUT 209 R2IN 1 232 Note UARTO lines connected directly through MCU pins RXDO TXDO For serial communication use UARTO P2 Note Make switch positions UART1 P1 for Dallas MCU Only SW4 SW 8 Note Dallas MCU User can t set 9600 baud rate for both the UARTO and 1 1 9600 baudrate PORT1 P2 4800 baudrate 2_9600 HyperT erminal amp com2 4800 Edit View Transfer Help Ele Edt Transfer Help Dallas UART 1_ Dallas UART 6_ 4 Ld 4 Ld Connected 0 00 28 ANSI S600 s Connected 0 00 34 Auto detect 4800 8 1 2 6 6 Real Time Clock The DS1307 Serial Real Time Clock is a low power full binary coded decimal BCD clock calendar plus 56 bytes of NV SRAM The DS1307 has a built in power sense circuit that detects power failures and automatically switches to the battery supply In Embedded module s DS1307 of pin SDA and SCL connected to the Microcontroller s pin P2 6 and P2 7 respectively Address and data are tra
23. software on target 8051 hardware thereby paving a platform to benchmark their system save time amp expense of building their own application test board and enabling them to get their designs to market quickly Many real world applications can be tested on the board RS485 RTC DAC Digital Temperature controllers Motor drivers Memory interfacing counters timers General Block Diagram 9V AC DC Input USB Connector Relay Outputs 2 Nos Parallel Serial ISP Programmer 5V Regulator Power Supply RF 433 93MHz 128x64 GLCD Transmitter Receiver SA AXIAA 42 DALLAS SEMICONDUCTOR 2x16 Char LCD SPI DAC MCP4921 PS 2 2 Keyboard EEPROM 2 Real Time Clock SPI ADC Two Channel AT89SXX DS89C4XX P89V51RD2 1 Wire Two Relay Outputs Temp Sensor 4x4 Matrix 4 Nos Seven Stepper Motor Segment Display Termination 8 Nos Point LEDs 8 Nos Digital Inputs Two Ext Interrupts Specifications Supported Microcontrollers SOCKET1 40 DIP Atmel 89551 52 8252 and AT89Sxx NXP P89V51Rxx Dallas DS89C420 430 450 SOCKET2 44 PLCC Atmel 89551 52 8252 and AT89Sxx MCUs NXP P89V51Rxx Dallas DS89C420 430 450 e External Peripheral Modules 128X64 GLCD Interface 2x16 Character LCD with Contrast adjust 4 Nos of common anode seven segment display 8 Nos General purpose Point LEDs 8 Nos of To
Download Pdf Manuals
Related Search