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BQ78350: BQ78350 cannot program firmware

Part Number: BQ78350
Other Parts Discussed in Thread: EV2400

Hi,

Using the BQ78350 have managed to brick the device with the EV2400. Does not autodetect, but can connect manually, but cant program firmware, seeing error "Packet checksum mismatch" for programming or reading SREC.

Is there a way to override the checksum match, or is there an external JTAG interface to force the programming of the flash?

Any advice on bringing it back, other than swapping the BQ chip?

Regards,

Ken.