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disable CRC AD5758

How to disable CRC for SPI in AD5758 ?

The register available to disable CRC (register 0x10, DIGITAL_DIAG_CONFIG, bit 0 SPI_CRC_EN) requires a CRC to use it.

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  • Hi,

    The command to disable CRC is 0x10005C31. 0x10005C sets bit 0 to 0 while the rest is not changed. and 0x31 is the CRC8 code for 0x10005C. This means you still need to write 32-bits data for the disable command, and after that, you could use 24 bits data write/read.

    Best regards,

    Ian

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  • Hi,

    The command to disable CRC is 0x10005C31. 0x10005C sets bit 0 to 0 while the rest is not changed. and 0x31 is the CRC8 code for 0x10005C. This means you still need to write 32-bits data for the disable command, and after that, you could use 24 bits data write/read.

    Best regards,

    Ian

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