CS4207 Datasheet, PDF (46/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
1
Read Only
0b
Float32 (FLT32): Float32 formatted data is not
supported on this widget.
0
Read Only
1b
Pulse Code Modulation (PCM): PCM formatted
data is supported on this widget.
6.4.4
Supported Power States
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
DAC1 Node ID=02h
DAC2 Node ID=03h
DAC3 Node ID=04h
Bits [19:8]
Verb ID = F00h
Bits [7:0]
Parameter ID = 0Fh
Response Format:
Bits
31
Type
Read Only
30
Read Only
29:5
Read Only
4
Read Only
3
Read Only
2
Read Only
1
Read Only
0
Read Only
Default
1b
0b
000000h
0b
1b
0b
0b
1b
Description
EPSS Supported. Indicates that the converter
supports additional capabilities allowing bet-
ter low power operation.
Reserved
Reserved
D4 is not Supported
D3 is Supported. See “D3 Lower Power State
Support” on page 25 for more information.
D2 is not Supported
D1 is not Supported
D0 Supported
6.4.5
Output Amplifier Capabilities
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
DAC1 Node ID=02h
DAC2 Node ID=03h
DAC3 Node ID=04h
Response Format:
Bits
31
30:23
22:16
15
Type
Read Only
Read Only
Read Only
Read Only
14:8
Read Only
7
Read Only
6:0
Read Only
Bits [19:8]
Verb ID = F00h
Bits [7:0]
Parameter ID = 12h
Default
1b
00000000b
0000001b
0b
1111111b
0b
1110011b
Description
Mute Capable (MC): This widget supports mute.
Reserved
Step Size (SS): Indicates that the size of each
amplifier’s step gain is 0.5dB
Reserved
Number of Steps (NOS): Indicates there are
128 gain steps; Attenuation range is from +6dB
to -57.5dB in 0.5dB steps.
Reserved
Offset (OFST): Indicates that if “1110011b” is
programmed into the Amplified Gain Control, it
would result in a gain of 0dB.
46
DS880F1