CCS/MSP430FR6989: FRAM WRITE NOT THROUGH PROGRAM

hanumantha rao

Part Number: MSP430FR6989

Tool/software: Code Composer Studio

Hi,

i would like to write A string which is

"MY NAME IS SOME THING "

directly to the fram locations not through the program which is fram_write

is there any possibility?

0 Eason Zhou over 7 years ago

Hi,

To write a byte to an address you can refer to this:

SYSCFG0 = FRWPPW;
*(uint8_t *) addr = data;
SYSCFG0 = FRWPPW | PFWP | DFWP;

The process is disable the FRAM protection, write a byte, and enable FRAM protection.

Pay attention that the address you want to write may have data already in.

Eason

0 hanumantha rao over 7 years ago in reply to Eason Zhou

By using location write, every time when power up the microcontroller these write to fram locations are excuted

0 Eason Zhou over 7 years ago in reply to hanumantha rao

Hi,

It shouldn't be this result.
Can you give a print screen of memory browser after you write the fram and after powering up?

Eason

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