Hello,
We are using our C6654 custom board with SPI boot. Now we are facing a strange problem of DSP instability. Our board is boot capable only 1 minute after power on. If the board is "cold" we have proper SPI data transfer and boot process is completed successfully. But if we are trying to restart our board 1 minute later, the boot process stops after the first SPI transaction (8 bytes) and our processor hanges up. So it seems like we have the problem of C6654 overheating. But we are using heatsink, so bad cooling is not the case.
Some details about our board:
We have another ARM-based processor that takes C6654 out of reset by RESETFULL pin.
SmartReflex is functioning correct, CVDD is adjustable from 1.1V to 0.93V. But some seconds that needed for ARM-based processor to bring C6654 out of reset we still have 1.1V CVDD. Is it correct?
So we have no ideas why our C6654 is unable to boot after a short time of operating.
We will appreciate any ideas to help us resolve what is causing this issue?
Best regards,
Mike.