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Discussion Groups | 68HC12 | flash document for 9S12HZ256


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Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).

flash document for 9S12HZ256 - jetrimmer - Sep 6 20:51:00 2005

Hello:
I'm looking for information regarding the flash module in the new
part
9S12HZ256.
I think it has 2 flash arrays (64K * 16 bits).

The older 9S12H256 has 4 flash arrays 32K * 16 bits.
My flash programming code that works with the 9S12H256 is not working
with the new one.

Thanks.




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Re: flash document for 9S12HZ256 - Gilles Blanquin - Sep 7 3:48:00 2005


Hi.

You can download the following ZIP and have a look in the
"S12FTS256K2ECCV1.pdf" file for blocks organization.
However, the "Error Code Correction (ECC)" feature does not apply to HZ flash.

http://www.freescale.com/files/microcontrollers/doc/data_sheet/9S12KT256_ZIP
.zip

For sure, FCNFG register, BKSEL bit(s) setup is different.

Regards,
Gilles At 02:51 AM 9/7/2005, you wrote:
>Hello:
>I'm looking for information regarding the flash module in the new
>part
>9S12HZ256.
>I think it has 2 flash arrays (64K * 16 bits).
>
>The older 9S12H256 has 4 flash arrays 32K * 16 bits.
>My flash programming code that works with the 9S12H256 is not working
>with the new one.
>
>Thanks. >Yahoo! Groups Links




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