This section describes the necessary
steps to configure the TAC5142 for this specific application.
- Apply power to the device:
- Power up the IOVDD and AVDD power supplies
- Wait for at least 1ms to
allow the device to initialize the internal registers.
- The device now goes into sleep mode (low-power mode
< 10 µA)
- Configure the Mode Pins as per the system requirements:
- Select the ASI Mode by pulling up to AVDD or down to
VSS; MD0 Pin. MD0 should be grounded for this use case.
- Pull Up to IOVDD or Pull down to VSS on MD1 to MD5
Pin as per the reuqired configuration. All the Pins are grounded for
this use case.
- Applying the ASI Clocks will wake up the device (BCLK and
FSYNC)
- To put the device back in sleep mode, Stop the clocks:
- Wait at least 100 ms to allow the device to complete
the shutdown sequence
- Change the Mode configuration by changing MD0 to MD5 as
per requirement
- Repeat step 3 and step 4 as required for mode transitions