Part Number: TMS320F2800157
Tool/software:
I have a question about DCSM, the PSWDLOCK position of zone 1 in technical reference manual is different with the config tool “syscfg”, please confirm which one is correct ,thanks.

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Part Number: TMS320F2800157
Tool/software:
I have a question about DCSM, the PSWDLOCK position of zone 1 in technical reference manual is different with the config tool “syscfg”, please confirm which one is correct ,thanks.

Hi Samuel,
The PSWDLOCK field in OTP is separate from the Z1_OTPSECLOCK register. The boot ROM reads the CRCLOCK, PSWDLOCK and JTAGLOCK fields in OTP and loads them into a single register, that is why you notice a difference in the bitshift of PSWDLOCK.
Thank you,
Luke