• error 65 with 89C51ED2
    Hello, I wrote a program for a 89C51ED2 (using C instructions, not assembler, it's easier for me...); the compilator is OK, but when I use the simulator, I get the error 65 with the return of a sub...
  • 89C51ed2 interrupt vector
    hi! i just want to know how can i locate code with interrupt started at address 0x1000 i try to use the 3 steps from application note 104 i can see it in the memory map but it doesnt work i can't reach...
  • Atmel Flip -unable erase the flash memory contents
    Hello all, I am using ATMEL Flip S/W to download the hex code to the flash memory.Using Atmel Flip S/W I am able to select the device (T89C51RD2) chip and the communication baud rate 19200.I can see...
  • FLIP help
    Hey guys can anybody help me : This is my first time to use any uC with bootloader and ISP (at89c51re2) so i don't know how should I approach loading my program (done for 89c51) in it. Further what changes...
  • AT 89c51ED2 psen pin is always low
    Well Iam successfully able to load my program to AT89C51 IC howevr iam not able to retrive the data. When I checked the PSEN pin the its low even after programming the flash insideis not transmittinmg...