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HI I NEED ASSEMBLY CODE FOR AT24C32 FOR MY PROJECT THANKYOU
when I need some code I write it, why don't you do the same?
Erik
i am trying but no response i am using 89c52 and the given code.
; Pin Definations eeprom_scl_pin reg p2.1 eeprom_sda_pin reg p2.2 ; Main Program starts from here mov memory_address1,#00h mov memory_address2,#00h mov eeprom_data,#05 call write_data mov memory_address1,#00h mov memory_address2,#00h call read_data mov 5dh,3ch loop: jmp loop ; Sub routines starts from here write_data call eeprom_start mov a,#a0h call send_data mov a,memory_address1 ;locati ddress call send_data mov a,memory_address2 ;locion address call send_data mov a,eeprom_data ;data to be send call send_data call eeprom_stop ret ;====== read_data: call eeprom_start mov a,#a0h call send_data mov a,memory_address1 ;location address call send_data mov a,memory_address2 ;location address call send_data call eeprom_start mov a,#a1h call send_data call get_data call eeprom_stop ret ;================================ eeprom_start: setb eeprom_sda_pin nop setb eeprom_scl_pin nop nop clr eeprom_sda_pin nop clr eeprom_scl_pin ret ;================================== eeprom_stop clr eeprom_sda_pin nop setb eeprom_scl_pin nop nop setb eeprom_sda_pin nop clr eeprom_scl_pin ret ;====================================== send_data mov r7,#00h send rlc a mov eeprom_sda_pin,c call clock inc r7 cjne r7,#08,send setb eeprom_sda_pin jb eeprom_sda_pin,$ ; call eeprom_delay call clock ret ;========================================= get_data mov r7,#00h setb eeprom_sda_pin get mov c,eeprom_sda_pin call clock rlc a inc r7 cjne r7,#08,get setb eeprom_sda_pin call clock mov 3ch,a ret ;========================================== clock setb eeprom_scl_pin nop nop clr eeprom_scl_pin ret ;=========================================== eeprom_delay mov 33h,#11 ;delay of 3 msec eeprom_delay_1 mov 32h,#ffh djnz 32h,$ djnz 33h,eeprom_delay_1 ret ;============================================ ; Program END