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DAC60508: Unable to readback DAC60508 ChipID and also can't get DAC channel output

user6258633
Prodigy 10 points
Part Number: DAC60508

Hi,

my read timing sequence is following:

HAL_GPIO_WritePin(GPIOC, SS7_Pin, GPIO_PIN_RESET);

spiWriteRegData(0x81,0x00,0x00);

HAL_GPIO_WritePin(GPIOC, SS7_Pin, GPIO_PIN_SET);

delay_ms(1);

HAL_GPIO_WritePin(GPIOC, SS7_Pin, GPIO_PIN_RESET);

chipID = spiReadRegData(0x00,0x00,00);

HAL_GPIO_WritePin(GPIOC, SS7_Pin, GPIO_PIN_SET);

Unfortunately, the SDO output is always 0, can you help me?

regard,

Kevin

  • 0
    TI__Guru 53773 points

    Hi, and welcome to the E2E forum.

    Can you collect an oscilloscope or logic analyzer capture of the frame to ensure you are compliant with the device's timing diagram?  In addition, can you share your schematic?

    Thanks,

    Paul