92hd91 Integrated Device Technology, 92hd91 Datasheet - Page 277

• Manufacturer Part Number: 92hd91
• Description: Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo
• Manufacturer: Integrated Device Technology

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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Register Address
Register Address
Register Address
Register Address
7.29.1.3. PWRM Register.
7.29.1.4. RESET Register
7.29.1.5. STATUS Register
7.29.1.6. INIT Register
7
6
5
4
3
2
1
0
7:0
7
6
5:3
2
1
0
7:4
3
2:1
0
Bit
Bit
Bit
Bit
RSVD
RSVD
RSVD
HPPWD
SPKRON
DMICPWD
RSVD
RSVD
RESET
limit1latch
limit0latch
Reserved
limit1
limit0
zerodet_flag
Reserved
anabeep_dcbyp
anabeep_dc_coef
f
Initialize
Label
Label
Label
Label
RO
RO
RO
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RW
RW
RW
Type
Type Default
Type Default
Type
0
0
0
0
0
0
0
0
0
0
0
0x0
0
0
0
0
0
0x2
0
Default
Default
277
Writing causes registers to revert to their default values (similar
to a function group reset)
Latched version of limit1, clear via GAINCTRL_LO[7]
Latched version of limit0, clear via GAINCTRL_LO[7]
RESERVED
Set (1) if regz saturation after gain multiply for CH1. may
change on a sample by sample basis.
Set (1) if regz saturation after gain multiply for CH0. may
change on a sample by sample basis.
Set when input zero detect of long string of zeroes.
DMIC powered down in Aux Audio Mode (including DAC)
Reserved
Reserved
Reserved
Headphone ports are forced off in Aux Audio Mode (including
charge pump)
BTL (port D) is forced on in Aux Audio Mode
Reserved
Reserved
RESERVED
1 = bypass analog Beep DC filter
0: dc_coef = 24’h004000;
1: dc_coef = 24’h001000;
2: dc_coef = 24’h000400;
3: dc_coef = 24’h000100;
1= Initialize/soft reset data path. Must be set when changing
the config0 or config1 registers.
Description
Description
Description
Description
V 0.91 10/10
92HD91