DS90UB964-Q1EVM: How to read the UB964 lock register through UB933?

terence xia

Genius 3105 points

Part Number: DS90UB964-Q1EVM

Hello，

As the title said, by UB933, how do we read the lock bit of UB964?

Thanks

Terence

over 4 years ago

0 Hamzeh Jaradat over 4 years ago

TI__Guru* 87750 points

Hello Terence,

In the 933 you need to enable I2C Pass-Through (Reg 0x03[2]). Also make sure the DES ID is recognized in Reg 0x06.
Then you can communicate with DES using it's I2C ID.

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DS90UB964-Q1EVM: How to read the UB964 lock register through UB933?