SLOSE32A April 2019 – October 2019 TAS6421-Q1
PRODUCTION DATA.
The serial audio port (SAP) receives audio in either I2S, left justified, right justified, or TDM formats.
Settings for the serial audio port are programmed in the SAP Control (Serial Audio-Port Control) Register (address = 0x03) [default = 0x04] and Miscellaneous Control 3 Register (address = 0x21) [default = 0x00].
Figure 24 shows the digital audio data connections for I2S and TDM8 mode for a five channel system using TAS6424 four-channel Class-D amplifier and a TAS6421-Q1 single-channel Class-D amplifier.