Hi guys!!!
I need your help because I’ve been trying to make my icd2 form Lothar Soltz web work, but I’ve failed. It seems to be annoyed with me!!!!
I revised the circuit many times but I didn’t found any problems with it. I’m using PIC 16F877 and I loaded the file BL01010101.hex form the Mplab into it.
As a target pic I’ve been using the pic 16F88
When I try to connect the ic2 to mplab, it always gives me errors, for example:
Connecting to MPLAB ICD 2
...Connected
ICD0082: Failed MPLAB ICD 2 operation
MPLAB ICD 2 Ready
Connecting to MPLAB ICD 2
...Connected
ICDWarn0054: MPLAB IDE has lost communications with the MPLAB ICD 2. Would you like to attempt to reconnect?
Connecting to MPLAB ICD 2
...Connected
ICD0286: Unable to communicate with ICD
ICD0082: Failed MPLAB ICD 2 operation
MPLAB ICD 2 Ready
Connecting to MPLAB ICD 2
...Connected
ICDWarn0054: MPLAB IDE has lost communications with the MPLAB ICD 2. Would you like to attempt to reconnect?
Connecting to MPLAB ICD 2
...Connected
ICDWarn0054: MPLAB IDE has lost communications with the MPLAB ICD 2. Would you like to attempt to reconnect?
ICD0286: Unable to communicate with ICD
ICD0082: Failed MPLAB ICD 2 operation
MPLAB ICD 2 Ready
I’ve taken all the special cares, like disabling the FIFO buffers, using the correct com port with 19200 baud rate. I’ve even test the cable and the rs232 chip by making a loopback test but it always work fine.
Then I tried to rewrite the pic 16f877 but using Low voltage Programming and something strange happened. Icprog gave me and advice that there was a error in writing address 0000f. (Could be it the wrong thing that doesn’t let my icd2 work??) I didn’t pay attention to it and tried again but it didn’t work. (I made the correction to the circuit putting a 10k pulldown resistor in PGM after using lvp)
Many times I measured the Vpp voltage when I was trying to connect the icd2 to mplab and it always was in 0v, is this ok?
I Know my post is not short, but I’m trying to describe you all the things.
I really need the icd2.
I hope that someone of you help me, I will appreciate any kind of help thanks!!