S12VR64 write flash

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S12VR64 write flash

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阳骏韩
Contributor II

Hello there. I use S12VR64 chip, I need to store a lot of data, eeprom is not enough to use. I want to store data in flash. I used the official NXP library to write to the flash address 0x30000, but in fact the corresponding address does not show the value I wrote.

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dianabatrlova
NXP TechSupport
NXP TechSupport

Hi,

I recommend you look at the AN4448 SW. There is a flash demo example code for the S12VR64: 

MC9S12VR Family Demonstration Lab Training:

http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4448.pdf 

Software:

http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4448SW.zip 

I hope it helps you.

Best regards,

Diana

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1,011 Views
dianabatrlova
NXP TechSupport
NXP TechSupport

Hi,

I recommend you look at the AN4448 SW. There is a flash demo example code for the S12VR64: 

MC9S12VR Family Demonstration Lab Training:

http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4448.pdf 

Software:

http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4448SW.zip 

I hope it helps you.

Best regards,

Diana

1,010 Views
阳骏韩
Contributor II

dear Diana,

The problem has been solved. Thank you for your help.

good luck,

yangjun Han

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