92HD99B Datasheet, PDF (72/225 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
PortC
PortB
PortA
Bits
R/W
Default
Reset
2
RW
1h
POR
1=power down port if not input or output enabled, 0=do not force power down
based on input or output enable
1
RW
1h
POR
1=power down port if not input or output enabled, 0=do not force power down
based on input or output enable
0
RW
1h
POR
1=power down port if not input or output enabled, 0=do not force power down
based on input or output enable.
7.4.24. AFG (NID = 01h): ComJack
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
7C7h
Get
FC700h/FC600h
Byte 1 (Bits 7:0)
7C6h
Field Name
Rsvd3
DebounceTime
Rsvd2
RbCon
Bits
R/W
Default
Reset
31:14
R
00000000h
N/A (Hard-coded)
Reserved.
13:12
RW
1h
POR
Combo Jack debounce time set.
2'h0 = 0.1ms; 2'h1 = 125ms; 2'h2 = 500ms; 2'h3 = 1s."
11
R
oh
N/A (Hard-coded)
Reserved.
10:8
RW
4h
Combo jack detection reference voltage
POR
000 = 0.18*AVDD
001 = 0.16*AVDD
010 = 0.14*AVDD
011 = 0.12*AVDD
100 = 0.10*AVDD
101 = 0.08*AVDD
110 = 0.06*AVDD
111 = 0.04*AVDD
IDT CONFIDENTIAL
72
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92HD99