• PORTS,PINS,LATCH
    WHAT IS MEANT BY READING PORTS,PINS AND LATCH WHEN DO WE READ AN INDIVIDAUL IN APPLICATIONS.
  • Latches
    Hi all I need help from you in my project i have to display the voltage on seven segment display. iam using 89c51 & keil software I connected 3 number seven segment displays to the PORT2 by using...
  • 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...
  • AT89C51ED2
    I am trying to start a project using the AT89C51ED2 and uVision 2.03. However, cannot find header files or support files for the ED2 version of this 80C51. Can't find support at Keil website or at...
  • PIN OUTPUT HIGH
    HOW TO MAKE GPIO PIN HIGH AT OUTPUT?