92hd90 Integrated Device Technology, 92hd90 Datasheet - Page 83

• Manufacturer Part Number: 92hd90
• Description: Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo+i2s
• Manufacturer: Integrated Device Technology

92HD90
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
Field Name
Rsvd2
VRegSCDet
ChargePumpSCDet
VRegSel
VRegSCRstB
VRegGndShort
VRegPwd
ChargePumpSCRstB
ChargePumpHiZ
ChargePumpPwd
ChargePumpSplyDetOver-
ride
Bits
31:26
Reserved.
25
Capless regulator short circuit detect indicator.
24
Capless charge pump short circuit detect indicator.
23:20
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
19
Capless regulator short circuit detect reset: 0 = short circuit detect disabled, 1
= short circuit detect enabled.
18
Ground the capless regulator output.
17
Capless regulator powerdown.
16
Capless charge pump short circuit detect reset: 0 = short circuit detect dis-
abled, 1 = short circuit detect enabled.
15
Hi-Z the capless charge pump outputs.
14
Capless charge pump powerdown.
13
Capless charge pump supply detect override.
R/W
R
R
R
RW
RW
RW
RW
RW
RW
RW
RW
Default
00h
0h
0h
5h
0h
0h
0h
0h
0h
0h
0h
83
Reset
N/A (Hard-coded)
POR
POR
POR
POR
POR
POR
POR
POR
POR
POR
V 0.91 10/10
92HD90