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Topics - yuvaraj

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P89V51Rx2/P89LV51Rx2 / problem whem i am clicking start icon
« on: January 27, 2009, 10:26:28 pm »

When click the start icon.

That time it is giving

Unable to connect specified baud rate, Try to reduce baud rate , Reset hardware to ISP mode again.

But i was used  least baud rate  2400, i reseted  the hardware so many times then also  it is giving same error,

Please guide to solve this problem



P89V51Rx2/P89LV51Rx2 / How do load the Boot files to P89v51rd2fn
« on: January 22, 2009, 09:24:07 pm »

how do we load the boot files to p89v51rd2fn.

I downloaded boot files from some websites.

It is in .asm file format.

So how can  i update the boot files to P89v51rd2fn using  flashmagic

 Advance thanks for your helping



   I am doing project based on Philips P89v51RD2FN.

i did the 5 steps procedure to dump the Hex code into  Device.

But i am getting error ,whem i am clicking the step 5----statr.

It is showing

 Unable to connect at the specified baud rate. Try reducing the baud rate.Reset the hardware into ISP mode again

i had done the following steps in  Flash magic

Step 1:
com port --- com 1
Baud rate  ---- 2400
Device ---- 89V51RD2
Interface ---- ISP(none)
it disabled the oscillator frequency
Step 2:
I had marked erase bolcks used by Hex file

Step 3:
I had loaded my Hex file
Step 4:
I had marked verify after programming, set security bit 1,Gen block Checkgums

Finally i clicked start button. that timeit is giving the above mentioned errors

Please help me to avoid the error and dump program to device

Plz.....Plz help me


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