Discussion in "8051 Discussion Forum" started by    good1030    Dec 15, 2008.
Mon Dec 15 2008, 11:50 am
#1
Hi all, I need helps with ISP programming!!!

I am currently using the AT89STK-11 Starter Kit with a AT89C51ED2 chip, and I tried to program the chip using the FLIP program, but always failed when I was doing RS232 setup on the FLIP program, the message promted "TimeOut Error".

When I entered the debug mode to the same thing I got the following message:
***** ispSetAutoIsp *****

***** ispSetRtsLow *****

***** ispSetDtrHigh *****

***** ispSetDtrLow *****

***** ispSetRtsHigh *****
1 >> U

Do anyone know what is going wrong?? Please help me, thanks!!
Mon Dec 15 2008, 06:24 pm
#2
put probe at reset pin, check if there is transition there or not.
It always good to have manual control coz its hard to trust software..

also i have tried with FLIP too, always used manual control never used DTR/RTS coz it never worked.
Tue Dec 16 2008, 06:42 am
#3
Thank you Ajay, it's due to the hardware circuitry problem, now it's working!!
Tue Dec 16 2008, 12:41 pm
#4
great what was the problem?

if its a Kit problem, then you should inform the manufacturer too

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