Evaluation board contains a male burg on all the 4 ports of 8051. LED indication is given for the power supply & one for the single line of Port 1. Apart from these accessories our evaluation board also has reset button to reset the Microcontroller. This Evaluation board is flexible to use with 8051 ISP Programmer or any other universal Programmer.
The 8051 evaluateion board can be directly interfaced with GSM modem(SIM300) with TTL output and GPS receiver as well serial communication can be achieved with TTL to RS232 level converter to make it competible with RS232 level.
; this program is to test the ports of 8051 and the development board
; use the asm51.exe assembler or any other assembling tool to get the hex file
; The assembler directives have to be changed as per the tool properties.
; Use Flash magic tool to program the target board. The Flash magic tool works without any problem in windows XP.
; Check the serial cable for any communication error.
; For any help contact firstname.lastname@example.org
; visit www.ilabzelectronics.com
Blink Program to test the target board
P1 EQU 90H ; define the port1 address
P2 EQU 0A0H ; define the port2 address
MAIN: MOV P1,#00H ; make P1 to 00
LCALL DELAY ; call delay program
MOV P1,#0FFH ; make p1 to FF
MOV P2,#0FFH ; add any other port to see the square wave output.
SJMP MAIN ; repeat the loop
DELAY: MOV R5,#0FFH
UP2: MOV R4,#0FFH
UP3: DJNZ R4,UP3