Specifications

AD1974 Data Sheet
Rev. D | Page 20 of 24
Table 20. AUXPORT Control 2
Bit Value Function Description
0
0
Reserved
1 Reserved
2:1 00 Reserved
01 Reserved
10 Reserved
11 Reserved
4:3 00 24 Word width
01 20
10 Reserved
11 16
5 0 Reserved
1 Reserved
7:6 00 Reserved
ADC CONTROL REGISTERS
Table 21. ADC Control 0
Bit Value Function Description
0 0 Normal Power-down
1 Power down
1 0 Off High-pass filter
1 On
2 0 Unmute ADC1L mute
1 Mute
3 0 Unmute ADC1R mute
1 Mute
4 0 Unmute ADC2L mute
1 Mute
5 0 Unmute ADC2R mute
1 Mute
7:6 00 32 kHz/44.1 kHz/48 kHz Output sample rate
01
64 kHz/88.2 kHz/96 kHz
10 128 kHz/176.4 kHz/192 kHz
11 Reserved
Table 22. ADC Control 1
Bit Value Function Description
1:0 00 24 Word width
01 20
10 Reserved
11 16
4:2 000 1 SDATA delay (BCLK periods)
001 0
010 8
011 12
100 16
101 Reserved
110 Reserved
111 Reserved