MCUmall EPROM BIOS Chip Burner Forum
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 16F84A + ICSP + Enhed JDM does not work

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T O P I C    R E V I E W
gtenrreiro Posted - 05/25/2008 : 15:15:48
Hi,

I am trying to program a PIC16F84A using the Enhanced JDM Programmer's ICSP connector. It keeps failing with "Verify failed at address 0000h!".

If I put the chip on the zif socket then it works.

The voltage on Vpp is about 13V while programming.
Vcc is about 4.6V

On the 16F84A I connected:

16FF84 Pin ------------ ICSP Pin

12 -------------------- Clk
13 -------------------- Data
4 -------------------- Vpp
14 -------------------- Vcc
5 -------------------- Gnd

Does anyone here have experience with this?

Thanks
2   L A T E S T    R E P L I E S    (Newest First)
wmmullaney Posted - 08/15/2008 : 17:05:44
You should get a newer pic, 16f628/script or something, the 84a is obsolete now.
ZLM Posted - 06/04/2008 : 08:27:53
Check your target board see if it needs more power to power it up.

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