• 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 for 89c51ED2
    I tried using Atmel FLIP to program a fresh 89c51ED2. I have MAX232 and FLIP communicates and establishes the connection with the uC (as it shows all the parameters, bootloader version etc and all the...
  • 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...
  • Microcontroller reset pin is always in HIGH state
    I use 89C51ED2 (44 pin PLCC) in my circuit and I am facing a peculiar problem. The reset circuit of micro-controller consists of 8.2K and 10uF capacitor. When powered on the reset pin (PIN 10) remains...
  • Low Power on STM32 wakeup pin
    I'm trying to make our product to go into any of the low power modes of the STM32 microcontroller. That part of the code works, only I can't get the microcontroller to wake-up on the wake-up pin (PA...