Cirrus Logic AN333 User Manual
Page 17
AN333
17
4.2 Details of Index 0x0001
Table 4-5. Input Configurations versus Slot index for Setting Up Input Channel Remap
Configurable Input Channel Map
PCM
Manager
Index
Input Port
IO_BUFFER_SOURCE
Bits 31:16 I/O Configuration
20xx: Additional ADC Input
9
ADC-0
8
10
ADC-1
9
11
ADC-2
10
12
ADC-3
11
Bits 15:0 I/O Configuration
0001: 8-ch DAI/I2S PCM
0004: 8-channel DAI/I2S PCM with SRC
1
DAI0 left subframe word
0
2
DAI0 right subframe word
1
3
DAI1 left subframe word
2
4
DAI1 right subframe word
3
5
DAI2 left subframe word
4
6
DAI2 right subframe word
5
7
DAI3 left subframe word
6
8
DAI3 right subframe word
7
Bits 15:0 I/O Configuration
0002: 2-channel DAI/I2S PCM
0100: 2-channel DAI/I2S PCM
0008: 2-channel DAI/I2S PCM with SRC
1
DAI4 left subframe word
0
2
DAI4 right subframe word
1
Bits 15:0 I/O Configuration
0010: 4-channel ADC Input + 2-CH I²S with SRC
1
ADC1 left channel
0
2
ADC1 right channel
1
3
ADC2 left channel
2
4
ADC2 right channel
3
5
DAI0 left subframe word
4
6
DAI0 right subframe word
5
Bits 15:0 I/O Configuration
1000: 4-channel ADC Input
1
ADC1 left channel
0
2
ADC1 right channel
1
3
ADC2 left channel
2
4
ADC2 right channel
3
Bits 15:0 I/O Configuration
2000: 2-channel S/PDIF Rx Input
0200: 2-channel S/PDIF Rx Input
1
DAI0 left subframe word (S/
PDIF Rx recovered through
DAI0)
0
2
DAI0 right subframe word
(S/PDIF Rx recovered
through DAI0)
1