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1. _ 35 a v VCI MMC C8051F040 HHHH res 7 The BIG8051 can compare voltage levels due to a comparator built into the microcontroller Voltage signals are supplied via potentiometers P5 and P6 To enable voltage signals set switches 5 and 6 DIP switch SW15 to the ON position C8051F040 Ng 5 i mi Zz L 16 The ADC module is used to convert an analog voltage level into the appropriate 12 bit digital value The analog voltage signal 15 supplied via screw terminals CHO CH1 CH2 and CH3 The ADC module is built in into the microcontroller The voltage supplied from the VREF pin is used as a voltage reference In order to use this voltage switch 8 on the SW14 should be set to the ON position GND Lem GND CH2 fer CH3 ADC INPUT 17 The DAC module attached to the development system can be used to convert 12 bit digital values into appropriate analog voltage values The output analog voltage signals is delivered via screw terminals DACO and DACI Like the ADC module this module also uses the VREF pin on the microcontroller as a voltage reference To use this voltage switch 7 switch SW14 should be set to the ON posi tion CN13 F DACO OUT mi sn VINA ViuD J da DACO vCC 3 30 ono CN14 i D2. zc 9 o AS e 4 N IN Y N lo J 1 i N Ic 15 ol lot Jol 9 T 2 t c gt D jo 9 em 9 E iN I 4 15 USED FOR SELECTING VOLTAGE LEVEL 86 APPLIED WHEN BUTTON 1 y d m LED z Ie YOC CWCC 3 3 f ll zs C8051F040 The BIG8051 has 10 pin connectors lined to the microcontroller ports Due to DIP switches SWI SWS every connector pin can be connected to one pull up pull down resistor It depends on the position of jumpers J1 J8 to control this aspect The pull up resistor ensures that the signal will be a valid logic level 1f external devices are connected A pull up resistor weakly pulls the voltage of the wire it is connected to towards its voltage source level when the other components on the line are inactive A pull down resistor works the same way but is con nected to ground It holds the logic signal near zero volts when no other device 15 connected C8051F040 VOC 3 3 Bn RNS amp x10K ON ha LDS LD58 LD58 E 4 LESO LOG aibi Lum KEIKA o T Ri POE CM diim
3. x CIIM Pur diii III d E IT r gt d B 24 8 I MEROCSUSOWON POWER SUPPLY 2 w Tur PORT 4 5 a ha ced La Ld 48 v m sun E HHAH LE e33 i t ie 7 te 7 8 1 es oe fa E ey 33V VOLTAGE REG ul LI a t 4 DAC d 1 a OUTPUT Eu tl ADC INPUT ae e e E ro 183 111058 wv h N o RT T eee 5 5 ee0eae 8603089 BIG 8054 Prepared TABLE OF CONTENTS 225222222 22 32 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Page No reels eo e a 3 are ccc sec nc E E E s T 4 Commectine the systemi to DOW Cl SOULCE ecce ERE QUA top PERI MEI 3 Bien ao UI PET DUE TARDE ee ee IRE 6 mic 8 rnin nnen teo Eod atitem Nette y S aT alU HO 8 la V A RET ee eer 9 DS 10 NST 3 B
4. T MAR PORTA nx zum PL HHHH MEC 3 30 uhi 7 9 LL CETT oer 22 BIG 8051 Manual 23 8051 Assembly Introduction A computer instruction is made up of an operation code op code followed by either address space but are accessed via different addressing modes direct vs indirect The Zero one or two bytes of operands SFR portion can be accessed via direct addressing only The op code identifies the type of operation to be performed while the operands identi There are eight modes of addressing available on the C805 The different addressing fy the source and destination of the data modes determine how the operand byte mentioned earlier to be selected If the instruction 1s associated with more than one operand the format is always Addressing Modes Instructior Instruction Destination Source Register MOV Direct MOV 30H A Indirect ADD A QRO DATA MEMORY RAM INTERNAL ADDRESS SPACE F Upper 128 R AM Special Function Registers Indirect Addressing Direct Addressing Only Direct and Indirect Addressing 0x00 Immediate Constant ADD A 80H Absolute AJMP within 2K zF 70 7 78 7A 79 76 76 76 74 73 72 71 70 Lower 128 RAM Addressing EHE 67 04 02 01 00 Bank 3 E o OF E The d
5. Connecting Ethernet cable Piezo buzzers are used for making beeps tones and alerts To use one pin has to be connected to the ground in schematic and the other pin to a square wave out from a timer or microcon troller For the loudest tones stay around 4KHz This buzzer gives the BIG8051 development system the ability to emit audio signals Best performance for our Piezo buzzer can be achieved with frequencies between 2K Hz and 4KHz To make a connection between the piezo buzzer and the microcontroller it is necessary to set switch 8 on the DIP switch SW13 to the ON posi tion The figure currently shows it in off position PIEZO BUZZER Piezo buzzer V I 1 R23 enL Rm T LI Nd gH T ET LEES ALL Em e um m m Piezo buzzer and connection schematic 5 125 55 Our BIG8051 development system comes with 051820 temperature sensor that uses 1 wire communication as mentioned earlier It can be used to measure temperature in the range be tween 55 degrees Celsius to 125 degree Celsius with an accuracy of 0 5 degrees Celsius The sensor can convert temperature with 9 bit resolution and takes a maximum of 750ms The communication between this module and the microcontroller is achieved via pin P2 7 as shown in the diagram To establish a connection between them it is necessary to set switch 8 on the switch SW15
6. with A Boolean Manipulation ORL C bit Raama _ me Mose neum fiam 1 5 1 5 AMPadiii A Aowemp O 2 3 LMPaddi 3 4 SUMP rel Sotjmp daeadiess 3 3 Sz equas zero 2 28 remedium om 1 3 CJNE A direct rel BIG 8051 Manual 26 BIG 8051 Manual 27 Instructions by opcode lt lt Oigmilailaiet zicioioisieiSioi 5Sio io TPIBEPMBBBHBHEBHEHE alolsaixistizieizio x x ziz JNE CH OV C X ow m acm DJNZ MIT ORL MOVC INC CPL SEIB ACALL ORL ANL pea PUSH CLR AJMP JBC e pe 0 ACALL SETB Eo MOVX AJMP MOVX MOVX MOVX pe ail 0 D 2 E BIG 8051 Manual 28 Writing your first program Download Silicon Laboratories IDE Follow the link for the download http www silabs com Support 20Documents Software 8 BitToolsInstaller web exe e Download an assembler Recommended assembler Keil uVision5 https www keil com demo eval c51 htm e After both the installers are downloaded install t
7. 727 Watchpoints Disablec Not Connected Adapter Not Connected n19 Col 7 5 14 PM 3 9 2015 Bo Dsl Writing your first program cont Assembling your code e After completing your code click the assemble button as shown e You may be prompted to find an assembler Browse for the assembler Keil uVision5 installed earlier e Click rebuild all as shown T File Edit View Project Debug Tools Options Window Help Tinsshle the MIT Copyright 2007 Silicon Le All rights reserved r TP BIG 8051 Manual 29 BIG 8051 Manual 30 Writing your first program cont Connecting the IDE with the development board JTAG Ce2 CONNECTOR 2 e Before establishing connection between the de Connection Options C velopment board and the IDE power on the sys Serial Adapter tem as instructed earlier The jumpers J13 and J14 should be in the JTAG 5232 Serial Adapter EC2 z position COMPORT e Click options and then select Connection Op m tions from the drop down Baud Rate 115200 iz X e Inthe Connection Options dialog box select the Sheik ment 31 configuration as shown Click connect to establish connection USB Debug Adapter 1 9 1 0 Adapter Selection ECSUUZ EFAZ Power target after disconnect z x e File Edit View Project Debug Tools Options Win
8. USB UART module USB connector and microcontroller connection schematic 7 The RS 232 modules allow the development system to communicate to external devices in compliance with the RS 232 standard The two RS modules in the BIG8051 can operate separately To connect switches 1 and 3 optionally 2 and 4 DIP switch SW11 should be set to the ON position ALSO USED AS USB PWR SUPPLY CONN RS 232 module m m c 1 ine k ye GHO I U Ti Cu 12 pi H Ri cu LI Ti ee ee ee TOTEN EEE f LE B D e 8 a 4 x AH RS 232 module connection schematic 8 Jen seo by RS 232B 12 Controller Area Network CAN is a communication standard primarily intended for use in the automotive industry It is used when microcontrollers and devices need to communicate with each other in applications without a host computer The modern automobile may have as many as 70 electric control units for various subsystems Typically the biggest processor 15 the en gine control unit Others are used for transmission air bags ABS cruise control electric power steering audio systems power windows doors mirrors etc Some of these form independent subsystems but communica tions
9. among others are essential A subsystem may need to control actuators or receive feedback from sensors The CAN standard was devised to fill this need Each CAN node is able to send and receive messages but not simultaneously The devices that are usually connected by a CAN network are typically sensors ac tuators and other control devices The host processor decides what the received messages mean and what messages it wants to transmit Sensors actuators and control devices can be connected to the host processor CAN controller stores the receives serial bits from the bus until an entire message 15 available which can then be fetched by the host processer usually by the CAN controller triggering an interrupt For sending the host processor sends the transmit messages to a CAN con troller which transmits the bits serially onto the bus when the bus is free To establish connection between this module and the microcontroller it is necessary to set the switches 1 and 2 on the DIP switch SW12 to the ON position CAN module TAS 1 2 lt gt d CAN module connector SERT LM T C8051F040 CAN module and microcontroller connection schematic 9 iJ LhzH E 13 The BIG805 enables you to connect the ZigBee module that is used for wireless communication The module communicates with the mi crocontroller with the standard SPI p
10. ACT DUT bd Vaurc DAC GND OUTPUT DACO GND DACI i me GND GND 8051 040 3 18 The BIG8051 comes with Flash RAM and EEPROM memory modules This allows the microcontroller to expand its memory space The Flash module lets the microcontrol ler to use an additional 8Mbit flash memory via SPI To establish connec tion between the Flash module and the microcontroller switches 1 3 and 5 optionally 2 4 and 6 on the DIP switch SW10 as well as switch 7 on the DIP switch SW15 to the ON position The RAM module enables the microcon troller to use an additional 64Kbit RAM memory via SPI To enable this connec tion between the module and the micro controller it is necessary to set switches 1 3 5 7 and 8 optionally 2 4 6 on the switch SW10 to the ON position EEPROM module enables the microcon troller to use an additional 1 Kbit EEPROM memory via I2C serial con nection Set switches 3 and 5 optionally 4 and 6 on the DIP switch SW12 to the ON position mammas m rmm 2 pm SPI SCK C8051F040 m l amp PI MCOSI m 3PI MISO gnum n 1 M25PBD SA L C8051F040 R19 1K RAM HOR DE T VCC 3 3 SWw12 WoC over 3 5 C8051 F040 p P ERES o I dis i mien E
11. P SEA TOG t E 11 2 en EA 12 A nnl 13 ABe NO 14 SE Cole OK MUERE MPH MEM RU PEE ERU TR 15 COT TAL OD 16 17 DAC 18 ctor ee E E MEIN M 19 20 21 27 8051 Assembly senes pedes ehe ERO 23 PERPE 24 Gh a E IMS 25 Instruction EARE 27 iho 72100 PC 9 BIG 8051 Manual 2 The BIG 8051 development system provides a development environment for programming and experimenting with 8051 microcontrollers De
12. User Manual Bn I nmmaaamnms PORTO eM Seem m Ni T Y om m e 3 2 E PIEZO BUZZER el am an 2 STEPH TR 5 USE UART j A MED a aa SARA EI eee aT hoi JTAG CZ SERIALETMERNET 1 DSiBzo CONNECTOR ed 2 www ee TTTIITII 5 7 ZDAAAAA AA S ge 9 AIT WITH GACKLIGHT 9 o Dow 7 LETT ETITA TETT TT TN prada 4 RP um THEE EA I m E u n 4 5 Le v M L B La Sai d c AE AK RS M ie 3 5 B AAAaAAMAE c p RI diii 5 m y gt pner LIII 1 S Dosia 5 E g J 1 LU 4 g p a 4 o P u A P gt u e
13. addressing instruction involves information transfer between registers Example MOV A 51H R1 20FFH MOV R2 3BH The first instruction above transfers the accumulator content into the RO register The register bank Bank 0 1 2 or 3 must be specified prior to this instruction signifies that it is a number and not a byte address H symbolizes that it is a hexadecimal number Similarly if we write a binary number it should end with B The 0 in the third instruction in OFFH symbolizes that the is a hex number and not a letter This is always necessary if we are writing any hex numbers It should always start with a 0 All the register should be assumed to be of 1 byte unless otherwise mentioned Now to transfer contents of R1 to lets say R6 the following code should do the trick MOV 6 copy contents of R1 to DIRECT ADDRESSING This mode allows you to specify the operand by giving its actual memory address BIG 8051 Manual 24 typically specified hex format or by giving its abbreviated name It is also used for SFR accesses INDIRECT ADDRESSING In the indirect addressing mode a register is used to hold the effective address of the operand This register which holds the address 15 called the pointer register and 15 said to point to the operand Only registers RO R1 and DPTR can be used as pointer registers DPTR is useful in accessing op
14. anual 4 OG 9 oe 20 Uunmgggu _ n E Ed E E E Hoocogoooo or ae 8 Q7 BlG8051 Board overview 1 BIG 8051 Manual 5 Connecting to power supply To power the development system on we have to provide power supply voltage over AC DC connector CN18 Before you turn the system it is necessary to place jumper J11 in the EXT position Next set the switch marked POWER SUPPLY to the ON position As soon as the development system now powers on a green LED labelled POWER will automatically illuminate Power Supply connector OFF ON 4x 1NAOO7 D7 Bm T ACUC DRWC H OVOC 5V E1 SWE B d vini p ER POWER CN18 ier CMPR I R1 MBRS140T3 Power supply module connections schematic The BIG8051 system has a 100 pin microcontroller C8051F040 in TQFP package Today over fifty companies produce variations of the 8051 Several of these companies have over fifty variations of this sys tem To bring things into context over 100 million 8051 5 are sold EDT each year Our microcontroller appears to be soldered on the MCU is dia P0 5 RD5 T1 P3 r x P8 5 RDh T8 P3 card 3 e P0 3 0D3 INT1 P3 1 Originally 8051 belongs to the MCS 51 family of microcontrollers iE mes MCS 51 was devel
15. dow Help Multiple Step Configuration Debug Interface JTAG Chain Configuration Cancel Toolbar Configuration Toolbar Extended Styles Editor Font Selection Editor Tab Configuration Select Language rates how to disable the watchdog timer Debug Window Font Selection d write to a port 1 0 pin Disassembly View d File Backup Setting inc Connect Before Opening Project Flash Persist on Download pe Enable Smart Download GREE Show Ascii in Memory Windows 4 Suspend on Halt Ta Nu 03 DUE Copyright 2007 Silicon Laborator All rights reserved Downloading and running code on 8051 Click download after connection has been established successfully Then click the GO button as shown Observe results on the board Silicon Laboratories IDE FO4x Blinky asm File Edit View Project Debug Tools Options Window Help aes macte l Download code Alt D Locate Ey pa New_Project 2 the 04 Blinky asm ee File Edit View Project Debug Tools Options Window Help su mcs ekeaPolsome BIG 8051 Manual 3l BIG 8051 Manual 32 Disclaimer This manual was prepared strictly for academic use All the information gath ered here have been coll
16. ected via re search and aimed to guide any student to start using the BIG 8051 microcontrol ler the pictures of the development system were taken by Sajid Amir and should not be copied References e http www mikroe com downloads get 1460 big8051 manual v100 pdf e http www silabs com Support o 20Documents Software 8051 Instruction Set pdf e http www botskool com tutorials electronics 805 1 introduction 805 1 assembly language programming page 1 http users etown edu w wunderjt Xilinx 20instructions pdf e http users etown edu w wunderjt Instructions 200n 2080251 20Microcontroller 20Board 20and 20Software 20 20SP11WEB2 htm
17. erands which are in the external memory The 8051 microcontroller instructions are divided among five functional groups 1 Arithmetic 2 Logical 3 Data transfer 4 Boolean variable 5 Program branching Instruction Set Sum Description Arithmetic Operations ADDAR Addregserioh OoOo 1 3 Emm HEN ADDC Rn ADDC direct ADDC data SUBBA Rn 5 SUBB A SUBB 2 direct 11 1 _ CR meementregsr increment indirect E Devmetrgse 3 3 DEC direct Decemendredbye 2 2 Decrement indirect 3 2 INCDPTR mcemenDaaPomer 1 1 MULAB JMdipyAand 1 4 DIVAB DWdeAbyB 3 8 DA Decimal adjust A 1 Rn AND Register io A 3 3 ANL A direct AND direct byte to ANL A GRi indirec ANL A data AND immediate 10 A ANL direct ORL Rn ORLA GR ORm mdRAMGR 3 ORLA data 2 2 ORE Rabie R Rotate A ich through Carry SWAP A Swap nibbles of A BIG 8051 Manual 25 Instruction Set Summary cont 1 3 POP direct XCH A Rn ACH 2 direct Data Transfer Exchange Register wih A S B E Exchange low nibble of indirect
18. he software and run the IDE first e Then write your program in assembly language LOO 1 File Edit View Project Debug Tools Options Window Help E EE jos 2 mox E amp 656 VS Copyright 2007 Silicon Laboratories Inc All rights reserved FILE NAME FO4x_BLINKY ASM TARGET MCU 8051 040 1 2 3 DESCRIPTION This program illustrates how to disable the watchdog timer configure a port and write to a port 1 0 pin NOTES include c8051f 040 inc Include register definition file EQUATES GREEN LED equ P1 6 Port I O pin connected to Green LED Reset Vector cseg ljmp Main Locate a jump to the start of code at the reset vector Blink segment CODE rseg Blink Switch to this code segment using 0 Specify register bank for the following program code Main Disable the WDT IRQs not enabled at this point If interrupts were enabled we would need to explicitly disable them so that the 2nd move to WDTCN occurs no more than four clock cycles after the first move to WDTCN mov WDTCN 0DEh mov WDTCN 0ADh Use SFRs on the Configuration Page mov SFRPAGE CONFIG PAGE Enable the Port I O Crossbar V marr RP b 14 4 gt gt If Build Ready PES List A Tool Find in Files SFRPAGE 00 Target 8051
19. hile the process itself is under control of the master microcontroller The advantage of this communication 15 that only one microcontroller pin is used All s ave devices have unique ID code which enables the master device to easily identify all devices sharing the same communication bus 8 mero Primer Timer Timers HIGH SPEED CONTROLLER CORE 8051 CPU kB 32 kB 4352 B 20 DEBUG CLOCK SANITY CIRCUITRY CIRCUIT CONTROL C8051F040 Pinout The C8051F040 microcontroller must be programmed using a USB DEBUG ADAPTER which 15 provided with the box It is always a good practice to make sure that the power is turned on the USB DEBUG ADAPTER is connected to the development system through the cable as shown CN23 SILICON LABORATORIES USB DEBUG ADAPTER LEE EI Ea JTAG programmer USB DEBUG ADAPTER Ji 3 J14 umi JTAG c2 E JTAG Eco omm JTAG C2 CONNECTOR Connector for programmer The Ethernet module lets us access the LAN network via the connector RJ45 Using Serial Peripheral Interface this module can communicate with the microcontroller E ee een D DL ALIUS 896 81307 7 o6 77 R91 C8 7 94 MCU SERIAL ETHERNET Ethernet module E FEE JEL J m Bee od mm Ethernet module connection schematic 4
20. irect and indirect addressing modes are used to distinguish between the SFR space and data memory space Default Register Bank for RO R7 0 2 SILICON LABS The memory map of C8051 if the lower data RAM area Addresses 0x00 through OXIF are banked registers RO R7 The active bank is controlled via bits in the Pro gram Status Word From the PSW we can conclude that the bit addressable memory located from 0x20 through Ox2F which provides 128 bits of bit addressable memory The upper portion is used general purpose RAM ad can be accessed by any addressing mode direct or indirect Special function registers SFRs have been added to the C8051 to that of the standard 8051 for enhanced peripherals Upper data memory and SFR memory share the same Register Addressing In CPU registers are used to store information temporarily That information can be in the form of bytes of data to be processed or some address pointing to a data to be fetched In 8051 there 15 only one data type 8 bits With an 8 bit data registers any data more than 8 bit should be divided into 8 bit chunks before being processed The most widely used registers of 8051 A accumulator RO R2 R3 R4 R5 R6 R7 DPTR data pointer PC program counter A register 1s used for all arithme tic and logic operations These registers are divided into two groups e General purpose registers e Special purpose registers The register
21. oo EEPROM SCL Ecco I 100nF at co 19 There are total of 64 LEDs on the development board and can be used to visually indicate the state of each microcontroller I O pin When active an LED indicates that a logic 1 1s present on that particular pin To enable LEDs to illuminate it is necessary to select the appropriate port using DIP switch SW9 0 P N U 0 gt There are 8 available ports labelled PORTO through PORT7 Dim U d Uv ON N SW9 21 x 4 j C8051F040 POD mm ji E di p P P FOE 4 LU j The provided push buttons on the development board can be used to change the logic state of all the microcontroller input pins Jumper 110 is used to determine the logic state to be supplied on the appropriate microcontroller pin by pressing a push button On the lower left side of the push buttons a RESET button can be found to reset the micro controller 0 C 3C 5 IC CHOS i v 5 M _ is c Nj o 9 o d CI 9 b 4 gt gt 9 L lo gt p 0 4 Came I x 1 X f U 7 Le G v AT 0 o S 6
22. oped by Intel but other manufacturers are second 5 RST sources of this family The MCS 51 now commonly referred to as the re 8051 is a Harvard architecture consisting of physically separate storage E 815 2 7 signal pathways for instructions and data Today most processors implement such separate signal pathways for performance reasons The original MCS 51 featured 8 bit ALU registers and data busses The following table shows the features of MCS 51 and 8051 e MCS 51 8051 e 4K bytes internal ROM e Pipelined instruction architecture 128 bytes internal RAM executes 70 of instruction set in e Four 8 bit I O ports or 2 system clocks e Two 16 bit timers Upto 25 MIPS throughout with e Serial interface 25MHz clock e 64K external code memory e 4352 bytes internal RAM space 64kB Flash in system program can e 64K external data memory mable 512 byte sectors space 210 bit addressable locations e BOSCH Controller Area Network CAN 2 0B hardware SMBus I2CTM Compatible SPITM and two UART serial ports available concurrently e Internal calibrated programmable oscillator 3 to 24 5 MHz etc The microcontroller can be replaced with another one if desired but it is important to make sure that they are compatible with the pinouts 1 wire serial communication enables data to be transferred over one single com munication line w
23. rotocols It 1s necessary to set switches 1 3 and 5 on the switch SW10 as well as the switches 1 2 3 and 4 on the switch SW15 to the ON position for function ality At the moment our boards do not have any RF module attached to it However the MRF24J40MA ZigBee module can be connected to the development system This module can be used as an ideal solution for wireless sensor networks home automation building automation and consumer applications The features of this particular radio transceiver module are 2 4 GHz IEEE 8 2 15 4 Transceiver module supports ZigBee Miwi and MiWi protocols e Integrated Antenna with simple four wire SPI interface to PIC microcontroller e Low current consumption C8051F040 MODULE OPTIONAL 2 MRF24J40H6 cw 7 is E 14 The development system 15 able to read memory cards due to the on board MMC SD connector The module uses microcontroller pins for serial com munication To connect this module it is necessary to set switches 1 3 and 5 optionally 2 4 and 6 on the DIP switch SW10 as well as switches 1 and 2 on DIP switch SW 14 to the ON position uf le gt O 4 tw ER WT x P Q w gt hj OJ 4 MMC SD CARD ow RESET SER a 20042 JP 3000 b
24. to the ON position Vor 3 l Riz Bl C8051F040 Des Baoan sc VDC 13 GNO DS1820 and microcontroller connection schematic 6 DS1820 temperature sensor connected Make sure that the rounded side of the 051820 matches the half circle on board sus x Switch 8 on the switch SWa5 is set to OFF at the moment connect 051820 set pin P2 7 to ON 10 The USB UART module is used to connect the microcontrol ler to an external USB device To establish connection be tween the microcontroller and the USB UART module it 1s important to set switches 1 and 3 optionally 2 and 4 to the ON position The BIG8051 can also use this module to power itself To achieve this it is necessary to set the switch position of jumper J11 found on the power module from EXT to USB wr Connecting USB cable pus YOR VOLCUSB NNOO 4144 5 UMd 980 SY 0351 1 anres EST ue Jl f mr E T E VCC USB ites D MEET 1 VOCUSE I C8051F040 pes TUS i a ncs d 1 l m E PERRITE F ciai wor 1 mt cme USE FT23 RL ET B Enim wire
25. velopment System BIG8051 CD Product CD USB Cable 128x64 graphic LCD display 2x16 alphanumeric LCD display Piezo buzzer CAN ZigBee Power Supply over AC DC connector USB Cable 5V DC Power Consumption 50mA with all modules off Dimensions 26 5 x 22 cm Weight 420g Full featured development system for 8051 Analog to digital conversion of voltage signal CAN communication module Se Ste Se EG E v Io 1 DEVELOPMENT BOARD BY MIKROELEKTRONIKA 2 Back of BIG8051 development system Key Features d pe 9 SS 1 m 12 13 14 1 Ethernet module 21 Jumper used to select push buttons logic state Piezo buzzer 22 Reset button 23 Connector for MMC SD cards Connector for temperature sensor Connector for programmer 24 3 3 It lat USB UART module USB power supply V voltage regulator connector 25 Power supply module RS 232B module 26 LEDs Connector for MCU card 27 CAN module RS232B module 28 ZigBee module Comparator 29 Connector for LCD display Jumpers used to select pull up pull down re 8151015 DIP switches used to turn on pull up pull down resistors I O ports A D converter inputs D A converter outputs 15 16 17 Memory modules Touch panel controller Connector for GLCD display Connector for touch panel 19 20 Push buttons Jumper used to shorten protective resistor BIG 8051 M
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