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isp programmer at89s51 how to
Hi asks
Sorry for delay still u want 8870 Dtmf decoder interface, come to personal Message. their i will send u the circuit
programming at89s51
no need. but i have not done direct reading of data from 8051 to PC. i have another(AVR) microcontroller to Write/read the target (8051) microcontroller.
at89s51 programming c
well
i made wrong SCK clock frequency in my c code.in avr studio4 compiler i simulate for 4 mhz but my hardware i tried it in 8 mhz with 4mhz code mistakenly. that was my major problem.
Some hardware issues that is i didnt make EA logic high while i program it sothat only...
Re: CAN vs Ethernet
Hi Bob
as i am new to CAN protocol, i would like to know about CAN over Ethernet. i have not yet selected any application. collecting details about CAN only. thank u
regards
viji
serial programmer at89s51
hi ctownsend
still i am getting same error(getting back the address) when i read signature byte
i have sent the code in private message box please check out and tell me what is error in it
thanks in advance
at89c51 connected to rs232 pdf
Hi
i think you need to check out your cable as per your circuit diagram the cable should be straight (2 to 2 and 3 to 3) connection not cross over.
at89s51 isp programmer
hi ctownsend
Thanks for your reply. and i am using atmega8535 ic to program at89s51.i read brand new ic but i failed to get answer(answer should be 0xFF but i get back address).in that datasheet i have small Confusion.signature byte can be read by the...
at89s51 programming
hi
i would like to make own programmer for at89s51/52/53 and avr.In this serial Programming(ISP) mode i am not able read the memory,when i send read commands(as per document doc2487-command is 0x20,0x00,0x00--- 0th memory) after program enable(cmd is 0xAC,0x53,0x00, and get...
hi all
can any one tell me how to delete at89s51 memory through Serial programming mode(SPI mode:MOSI,MISO,SCK lines)
i read doc2487.pdf file.as per that, i sent Programming Enable command(0xAC,0x53,0x00) first and i get back (0x69).but my problem is i am not able to erase whole memory with the...
hi all
do u have command list for Serial Programming of atmega8535/16 microcontroller,please provide me ,i would like to make through SPI(MOSI,MOSI,SCK) lines. it is very urgent
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