Cirrus Logic CS4970x4 - Manual (Page 72)

3-6 Copyright 2013 Cirrus Logic, Inc. DS810UM6
DAI Hardware Configuration
CS4953x4/CS4970x4 System Designer’s Guide
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1 Data Clocked in on SCLK Falling Edge
Starting from DAI_D0 to DAI_D4:
0x81400020
0x00200000
0x81400021
0x00200000
0x81400022
0x00200000
0x81400023
0x00200000
0x81400024
0x00200000
Table 3-5. Input LRCLK Polarity Configuration (Input Parameter C)
C Value
LRCLK Polarity
(Both DAI and CDI Port)
HEX Message
0 (default)
LRCLK=Low indicates Channel 0
(i.e. Left)
Starting from DAI_D0 to DAI_D4:
0x81800020
0xFFEFFFFF
0x81800021
0xFFEFFFFF
0x81800022
0xFFEFFFFF
0x81800023
0xFFEFFFFF
0x81800024
0xFFEFFFFF
1
LRCLK=Low indicates Channel 1
(i.e. Right)
Starting from DAI_D0 to DAI_D4:
0x81400020
0x00100000
0x81400021
0x00100000
0x81400022
0x00100000
0x81400023
0x00100000
0x81400024
0x00100000
Table 3-6. Input DAI Mode Configuration (Input Parameter D)
D Value Description HEX Message
0 (default)
DAI2_LRCLK/SCLK – Slave
Compressed Data Input on DAI_D4
0x 81000025
0X1008D110
1
DAI1_LRCLK/SCLK - Slave
Compressed Data Input on DAI_D0 with only
DAI_D4 enabled
0x 81000025
0X0000D190
2
DAI2_LRCLK/SCLK - Slave
PCM Data Input on DAI_D4
Routed to Center and LFE
0x 81000025
0X1558E11F
3
DAI1_LRCLK/SCLK - Slave
PCM Data Input on DAI_D0
Routed to Center and LFE
0x81000025
0X1008C10F
Table 3-4. Input SCLK Polarity Configuration (Input Parameter B) (Continued)
B Value
SCLK Polarity
(Both DAI and CDI Port)
Hex Message