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Author Topic: Difference  (Read 4709 times)

sanketbarot

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Difference
« on: January 03, 2007, 08:51:43 pm »
Hello Friends,

What is the Difference between 89C51RD2xx and 89C51RD2Hxx.. I am searching on the web but I am not getting any sloution.



Regards,
Sanket Barot
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Jan Waclawek

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Re: Difference
« Reply #1 on: January 04, 2007, 01:48:40 am »
They are listed at the beginning of the non-H version datasheet.

Basically they are three:
- different 6clk/12clk switching
- different organisation (smaller blocks) of FLASH
- different programming

However, both the H and non-H are AFAIK obsolete.

JW
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