92hd700 Integrated Device Technology, 92hd700 Datasheet - Page 158
92hd700
Manufacturer Part Number
92hd700
Description
Ten Channel Hd Audio Codec
Manufacturer
Integrated Device Technology
Datasheet
1.92HD700.pdf
(181 pages)
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IDT™
92HD700
10-CHANNEL HIGH DEFINITION AUDIO CODEC
6.26. InPort0Vol Node (NID = 0x18)
10-CHANNEL HIGH DEFINITION AUDIO CODEC
6.25.8. VolumeKnob VCSR0
6.26.1. InPort0Vol WCap
[31:8]
[6:0]
Bit
[7]
[31:4]
[2:0]
Bit
[3]
Set1
Get
Bitfield Name
Get
Volume
Direct
Rsvd
Bitfield Name
Continuous
Table 404. VolumeKnob VCSR0 Command Response Format
Table 402. VolumeKnob Cntrl Command Response Format
Rsvd
Rate
Table 403. VolumeKnob VCSR0 Command Verb Format
Table 405. InPort0Vol WCap Command Verb Format
RW
RW
RW
R
IDT CONFIDENTIAL
Verb ID
FE0
7E0
Reset
0x7F
Verb ID
0x0
0x0
F00
RW
RW
RW
158
R
Reserved
Direct = 1 causes the volume control to directly control the
hardware volume of the slave amps.
Direct = 0 causes unsolicited responses to be generated.
Volume, specified in steps of amplifier gain
See bits [7:0] of bitfield table.
Reset
0x0
0x1
0x0
Payload
Reserved
Allow continuous incrementing/
decrementing of the volume knob value.
Volume knob update rate, for continuous
mode and de-bouncing (2.5 Hz to 20 Hz, in
increments of 2.5 Hz)
Payload
00
09
92HD700
Description
Description
See bitfield table.
See bitfield table.
0000_0000h
Response
Response
PC AUDIO
V 1.2 112006
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