92HD99B Datasheet, PDF (78/225 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
Bits
R/W
Default
Reset
Rsvd2
31:26
R
00h
N/A (Hard-coded)
Reserved.
VRegSCDet
25
R
0h
POR
Capless regulator short circuit detect indicator.
ChargePumpSCDet
24
R
0h
POR
VRegSel
Capless charge pump short circuit detect indicator.
23:20
RW
5h
POR
Capless regulator output voltage multiply ratio
Bits [3..2] Reserved
Bits [1..0]:
00b = 2*Vbg
01b = 2.1*Vbg
10b = 2.2*Vbg
11b = 2.3*Vbg
VRegSCRstB
19
RW
0h
POR
Capless regulator short circuit detect reset: 0 = short circuit detect disabled, 1
= short circuit detect enabled.
VRegGndShort
18
RW
0h
POR
Ground the capless regulator output.
VRegPwd
17
RW
0h
POR
Capless regulator powerdown.
ChargePumpSCRstB
16
RW
0h
POR
ChargePumpHiZ
Capless charge pump short circuit detect reset: 0 = short circuit detect dis-
abled, 1 = short circuit detect enabled.
15
RW
0h
POR
Hi-Z the capless charge pump outputs.
ChargePumpPwd
14
RW
0h
Capless charge pump powerdown.
POR
ChargePumpSplyDetOver-
ride
13
RW
0h
POR
Capless charge pump supply detect override.
IDT CONFIDENTIAL
78
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V1.2 1/12
92HD99