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Flash programming and I2C access

Question asked by ezhu on Apr 18, 2011
Latest reply on Apr 25, 2011 by ezhu

On ADuC7020 micro-controllers (and perhaps other Analog Device ARM processors), when the firmware is performing Flash Programming, if there are simultaneous I2C accesses, it seems that the flash-programming would fail, and incorrect values are programmed into the flash.

 

Is this an expected behavior?  Or is there something special that needs to be taken care of in the firmware?

 

Note: In our system design, we are not allowed to shut down the I2C accesses while programming the flash.

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