92HD66B Datasheet, PDF (60/286 Pages) Integrated Device Technology – FOUR CHANNEL HD AUDIO CODECS

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
6.7.7. AFG (NID = 01h): GPIOCnt
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F0011h
Byte 1 (Bits 7:0)
Field Name
GPIWake
GPIUnsol
Rsvd
NumGPIs
NumGPOs
NumGPIOs
Bits
R/W
Default
Reset
31
R
1h
N/A (Hard-coded)
Wake capability. Assuming the Wake Enable Mask controls are enabled,
GPIO's configured as inputs can cause a wake (generate a Status Change
event on the link) when there is a change in level on the pin.
30
R
1h
N/A (Hard-coded)
GPIO unsolicited response support: 1 = yes, 0 = no.
29:24
R
00h
N/A (Hard-coded)
Reserved.
23:16
R
00h
N/A (Hard-coded)
Number of GPI pins supported by function group.
15:8
R
00h
N/A (Hard-coded)
Number of GPO pins supported by function group.
7:0
R
05h
N/A (Hard-coded)
Number of GPIO pins supported by function group.
6.7.8. AFG (NID = 01h): OutAmpCap
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F0012h
Byte 1 (Bits 7:0)
Field Name
Mute
Bits
R/W
Default
31
R
1h
Mute support: 1 = yes, 0 = no.
Reset
N/A (Hard-coded)
60
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92HD66B