92HD81 Datasheet, PDF (82/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
ChargePumpSCDet
VRegSel
VRegSCRstB
VRegGndShort
VRegPwd
ChargePumpSCRstB
ChargePumpHiZ
ChargePumpPwd
ChargePumpSplyDetOver-
ride
ChargePumpFreqBypass
Bits
R/W
Default
Reset
24
R
0h
POR
Capless charge pump short circuit detect indicator.
23:20
RW
4h (YC/YD)
3h (UA/TA/RA)
POR
Capless regulator output voltage multiply ratio.
19
RW
0h
POR
Capless regulator short circuit detect reset: 0 = short circuit detect disabled, 1 =
short circuit detect enabled.
18
RW
0h
POR
Ground the capless regulator output.
17
RW
0h
POR
Capless regulator powerdown.
16
RW
0h
POR
Capless charge pump short circuit detect reset: 0 = short circuit detect disabled,
1 = short circuit detect enabled.
15
RW
0h
POR
Hi-Z the capless charge pump outputs.
14
RW
0h
POR
Capless charge pump powerdown.
13
RW
1h (YA rev)
POR
0h
Capless charge pump supply detect override.
12
RW
1h
POR
0h (YB rev)
Capless charge pump frequency reg bypass.
IDT CONFIDENTIAL
82
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81