Cirrus Logic CS4207 - Manual (Page 47)

DS880F4 47
CS4207
Response Format:
6.4.4 Supported Power States
Get Parameter Command Format:
Response Format:
6.4.5 Output Amplifier Capabilities
Get Parameter Command Format:
Response Format:
Bits Type Default Description
31:3 Read Only 0 Reserved
2 Read Only 0b
AC-3 (AC3): AC-3 data is not supported.
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.
Bits [31:28] Bits [27:20] Bits [19:8] Bits [7:0]
CAd = X DAC1 Node ID=02h
DAC2 Node ID=03h
DAC3 Node ID=04h Verb ID = F00h Parameter ID = 0Fh
Bits Type Default Description
31 Read Only 1b EPSS: Converter widget supports extended
power states.
30:4 Read Only 0000000h Reserved
3 Read Only 1b D3Sup: D3hot operation is supported.
2 Read Only 0b
D2Sup: D2 operation is not supported.
1 Read Only 0b
D1Sup: D1 operation is not supported.
0 Read Only 1b
D0Sup: D0 operation is supported.
Bits [31:28] Bits [27:20] Bits [19:8] Bits [7:0]
CAd = X DAC1 Node ID=02h
DAC2 Node ID=03h
DAC3 Node ID=04h Verb ID = F00h Parameter ID = 12h
Bits Type Default Description
31 Read Only 1b
Mute Capable (MC): This widget supports mute.
30:23 Read Only 00000000b Reserved
22:16 Read Only 0000001b
Step Size (SS): Indicates that the size of each
amplifier’s step gain is 0.5 dB.
15 Read Only 0b Reserved
14:8 Read Only 1111111b
Number of Steps (NOS): Indicates there are
128 gain steps; Attenuation range is from +6 dB
to -57.5 dB in 0.5 dB steps.
7 Read Only 0b Reserved
6:0 Read Only 1110011b
Offset (OFST): Indicates that if “1110011b” is
programmed into the Amplified Gain Control, it
would result in a gain of 0 dB.