CS4298 Datasheet, PDF (28/52 Pages) Cirrus Logic – SoundFusion Audio/Modem Codec 97 (AMC 97)

CS4298
6.1.12 Extended Audio ID (Index 28h)
Mode D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0 ID1 ID0
VRA
1 ID1 ID0
VRA
2 ID1 ID0
VRA
3 ID1 ID0
LDAC SDAC CDAC
VRA
ID[1:0]
LDAC
SDAC
CDAC
VRA
Codec configuration ID. Primary is 00; Secondary is 01,10,or 11. This is a reflection of the ID[1:0]# con-
figuration pins. The state of the ID# pins are determined at power-up and are the inverse of the ID bits
in this register.
PCM LFA DAC. Indicates a LFE DAC is supported.
PCM Surround DAC. Indicates a Surround DAC is supported.
PCM Center DAC. Indicates a Center DAC is supported.
Variable Rate Audio. This bit is clear indicating variable sample rates are not supported.
Read-only data Mode 0,1,2 x000h. Where x is determined by the state of ID[1:0] input pins.
Mode 3
x1C0h.
6.1.13 Extended Audio Status / Control (Index 2Ah)
Mode D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
2
PRL 0
0
0
0
MDAC 0
0
0
3
0
PRK PRJ PRI
0
0
LDAC SDAC CDAC
CDAC
LDAC
SDAC
MADC
PRI
PRJ
PRK
PRL
PCM Center DAC Ready. When set, the Center DAC is ready.
PCM LFE DAC Ready. When set, the LFE DAC is ready.
PCM Surround DAC Ready. When set, the Surround DACs are ready.
MIC ADC Ready. When Set, the dedicated Microphone ADC is ready.
PCM Center DAC Disable. When set, the Center DAC is disabled.
PCM Surround DAC Disable. When set, the Surround DAC is disabled.
PCM LFE DAC Disable. When set, the LFE DAC is disabled.
Dedicated Microphone ADC Disable. When set, the MIC ADC is disabled.
Default
Mode 0,1
Mode 2
Mode 3
0000h
0200h
01C0h
CDAC, LDAC, SDAC, and MADC are read only bits.
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DS315PP2