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Messages - lasa47

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#1
P89C51Rx+/P89C51Rx2/P89C66x/P89C6xX2/P89V66x / Re: P89C51RD2BN ISP Problem
August 16, 2006, 12:50:10 PM
Hi Erik,

You are right erik. It is possible according to the theory. Thanks for your comments.

Lasantha
#2
P89C51Rx+/P89C51Rx2/P89C66x/P89C6xX2/P89V66x / Re: P89C51RD2BN ISP Problem
August 05, 2006, 02:07:26 AM
Hi,

Thanks a lot. I found the error last night. It was in Max232 interface chip. The chip was totally out. I just change the chip. Every thing works fine. It was grate. 100% accurate flash programming.
I appreciate your help at all. Flash magic is a magic....Excellent.

Thanks a lot,
Lasantha
#3
P89C51Rx+/P89C51Rx2/P89C66x/P89C6xX2/P89V66x / P89C51RD2BN ISP Problem
August 04, 2006, 02:40:18 PM
Hi,

I am using one of P89C51RD2BN chip and I couldn
#4
Off-Topic (Read Only) / Re: ISP in T89C51Rd2
August 04, 2006, 06:27:13 AM
Hi,
i am using a P89C51RD2BN chip. Trying to program using ISP from last week. BUt it didnt work. Tryed manual forced to ISP and using both DTR - reset & RTS -PSEN. But it didnt work. I tryed with 2 RD2 chips and same coudnt programed. Connected the Vpp to +5v as well. using a 20MHz osi. Can you please help me?

Lasantha
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