• AT89C51ED2 Reset pin is latched up to high state
    Dear Friend, I am using a 64 pin VQFP AT89C51ED2 which has been mounted on a VQFP to DIP pcb. I observe at power up, the reset pin is latched up to high state. Wiring conditions are :Vcc=5V, Gnd, EA...
  • 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...
  • PIN OUTPUT HIGH
    HOW TO MAKE GPIO PIN HIGH AT OUTPUT?
  • 89LPC932 Reset Pin
    Hi, I want to use the reset pin on the LPC932. This pin (P1^5) will reset the micro after bringing it low. My question is about the procedure. 1. I write a 1 (high) to this pin (reset). 2. Then I put...
  • Strange reset state (WDTCON) on watchdog reset
    Hi all, Our app tests the watchdog by not servicing the watchdog but also setting a magic flag in RAM to see if the reset was caused by the test or for real. I made a small test app to test watchdog...