Datasheet

Data Sheet ADAU1772

Rev. B | Page 89 of 116

SERIAL PORT CONTROL 0 REGISTER

Address: 0x0032, Reset: 0x00, Name: SAI_0

Using 16-bit serial I/O limits device performance.

Table 79. Bit Descriptions for SAI_0

Bits Bit Name Settings Description Reset Access

[7:6] SDATA_FMT Serial data format. 0x0 RW

00 TDM, I

S—data delayed from edge of LRCLK by 1 BCLK cycle

01 TDM, left justified—data synchronized to edge of LRCLK

10 Right justified, 24-bit data

11 Right justified, 16-bit data

[5:4] SAI Serial port mode. 0x0 RW

00 Stereo (I

S, left justified, right justified)

01 TDM2

10 TDM4

11 TDM8

[3:0] SER_PORT_FS Sampling rate on the serial ports. 0x0 RW

0000 48 kHz

0001 8 kHz

0010 12 kHz

0011 16 kHz

0100 24 kHz

0101 32 kHz

0110

96 kHz

0111 192 kHz