CS4207 Datasheet, PDF (81/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
VREF Enable (VREFE): This field selects one of
the possible states for the VREF signal(s). The
2:0
Read Only
000b
Pin Widget does not support VREF generation
as indicated in the Pin Capabilities. As such, this
field will always be “000b” to select Hi-Z state.
6.8.8
Unsolicited Response Control
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Node ID = 09h
Bits [19:8]
Verb ID = F08h
Bits [7:0]
Parameter ID = 00h
Set Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Node ID = 09h
Bits [19:8]
Verb ID = 708h
Bits [7:0]
Parameter ID = xxh[
Response Format
Bits [31:0] are sticky and will not be reset by a Link Reset or a Function Group Reset:
Bits
Type
Default
Description
31:8
Read Only
000000h
Reserved
7
Read/Write
0b
Enable: Controls the actual generation of Unso-
licited Responses. 1 is enable; 0 is disable.
6
Read Only
0b
Reserved
Tag: Is a 6 bit value assigned and used by soft-
ware to determine what codec node generated
5:0
Read/Write
000000b
the unsolicited response. The value programmed
into the Tag field is returned in the top 6 bits
(31:26) of every Unsolicited Response gener-
ated by this node.
Unsolicited Response Format :
Bits [31:26]
Tag
Bits [27:0]
Response
6.8.9
Pin Sense
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Node ID = 09h
Set Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Node ID = 09h
Get Response Format:
Bits
Type
31
Read Only
Bits [19:8]
Verb ID = F09h
Bits [7:0]
Parameter ID = 00h
Bits [19:8]
Verb ID = 709h
Bits [7:0]
Parameter ID = xxh
Default
0b
Description
Presence Detect (PDET): A ‘1’ indicates that
something is plugged into the jack associated
with the Pin Widget. A ‘0’ indicates that nothing is
plugged in.
DS880F1
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