• Serial port Communication PC and AT89C52 ( continuted )
    Here was my plan to realize the communication between PC and AT89C52, Both of them are set to 2400 (baud rate), N, 8, 1. 1. I have shortened pin 2 and pin 3 of RS-232 attached to PC. When my pc was sending...
  • Serial port Communication PC and AT89C52
    I am using MAX232 to communicate with AT89C52 under the control of PC using VB programming. The problems are: 1. How I can check if MAX232 is working or not, (by checking LED, I know the serial receiving...
  • Serial Communication w/ AT89C51 or AT89C52
    I want to have a simple program to print something out using hyperterminal. Also it would be nice to receive a character and echo it back. I have been able to do this in assembly but I can't get it to...
  • AT89C52
    hi can anybody plz tell is there is an ISP for atmel 89c52 TQFP package...b'coz how will i program it one it si solrded in the ckt board..and ididnt find any adapter for converting 40 pin DIP to tqfp...
  • Circuitry on AT89c52 and AT89c2051 serial interface
    Hi I've implemented a simple program to see serial interface between two AT89c52. But now i need to interface AT89c52 with AT89c2051 serial interface. Could you please help me with a circuit diagram...