having problems to read a PIC16F877


Results 1 to 5 of 5

Threaded View

  1. #1
    Join Date
    Feb 2009
    Posts
    3

    Default having problems to read a PIC16F877

    hi everyone, i am trying to read a PIC16F877 that is on a general control board which controls an engine. there is also a lattice fpga on this board. the thing is that i am trying to read the program that is on the pic device to modify a few things. but the VDD pin on the connector has been cut, is there any kind of modification that i can do to the circuit to be able to read the pic device? i am using mplab icd 2. the board was given to me like that to recover that code, but because pin 2 is missing, the mplab icd 2 reads a lack of power from the pic device. i have attached the schematic of the programming connector (VCC=24V it powers the entire board, and CR1 is a ceramic resonator) thanks everyone!
    Attached Images Attached Images  

Similar Threads

  1. Cleaning up code
    By Tobias in forum mel PIC BASIC Pro
    Replies: 3
    Last Post: - 2nd December 2009, 07:14
  2. SEROUT WORD variable problem
    By Tobias in forum mel PIC BASIC Pro
    Replies: 3
    Last Post: - 19th April 2009, 11:20
  3. Changing declared variables names on the fly
    By jessey in forum mel PIC BASIC Pro
    Replies: 15
    Last Post: - 16th December 2006, 06:34
  4. Problems with 16F876 on interrupts an WRITE / READ
    By BigWumpus in forum mel PIC BASIC Pro
    Replies: 1
    Last Post: - 20th December 2005, 14:38
  5. Having problems? REAd this thread - often!
    By Dwayne in forum Off Topic
    Replies: 5
    Last Post: - 26th July 2005, 15:19

Members who have read this thread : 0

You do not have permission to view the list of names.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts