7-6 |
RX_WLEN |
R/W |
01b |
Receive PCM Word Length
00: 32-bit
01: 24-bit (default)
10: 20-bit
11: 16-bit |
5 |
RSV |
R/W |
0b |
Reserved. Do not access. |
4 |
TDM_LRCK_MODE |
R/W |
0b |
LRCK Duty Cycle in TDM Mode
TDM format can support 2 channels, 4 channels, or 6 channels with one device.
When BCK to LRCK ratio is 256, FMT must be configured as TDM format.
Configure the duty cycle of LRCK when I2S is configured as TDM mode
0: duty cycle of LRCK is 50% (default)
1: duty cycle of LRCK is 1/256 (similar DSP mode) |
3-2 |
TX_WLEN |
R/W |
01b |
Stereo PCM Word Length
00: 32-bit
01: 24-bit (default)
10: 20-bit
11: 16-bit |
1-0 |
FMT |
R/W |
00b |
Serial Audio Interface Format (TDM/DSP Mode)
0: I2S (default)
1: Left justified
2: Right justified
3: TDM/DSP (256fS BCK is required) |