• Problem in PWM and UART (T89C51AC2)
    #include <t89c51ac2.h> //#include <math.h> void serialInterrupt (void); volatile char uart_data; char duty; void main(void) { // Set up UART mode SCON = 0x50; // uart in mode 1 (8 bit), REN=1 ...
  • T89C51AC2 Atmel problems - RAMSIZE(256);
    Got myself one of the development boards. Anyway, when I have a small program, everything is fine and works. Now when I write any function remotely decent sized, I get an IO Error that the file cannot...
  • A/D Example program (C51) for T89c51ac2
    Dear All, I am a new 8051 user. I can only search the A/D example program for T87C5111 in atmel. I would like to know what if i want to write a simple A/D program for T89c51ac2. Would any people...
  • Interrupt
    Hello guys, can I monitor interrupt0 of 8051 by any h/w means like by LED or something? I have connected RTC DS12887 IRQ to INT0 however I couldn't see logic 1 on DMM
  • interrupt
    Why the program don't enter in this intrrerupt?? this is my code void timer0_isr (void) interrupt 1 using 1 { int a=0,c; a++; // ram[a] = din(7); c=9; if (a > 10) a=0; }