92HD92 Datasheet, PDF (51/306 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD92
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Register Name
Remarks
Bit[7]
Bit[6]
Bit[5]
Bit[4]
Bit[3]
Bit[2]
Bit[1]
Bit[0]
Defa
ult
R43(2Bh)
LDO LEVEL CONTROL
Lv_QU Lv_reg_ Lv_reg_
AD_BIA cntrl_bit cntrl_bit 00h
S
1
0
R44(2Ch)
R45(2Dh)
R46(2Eh)
R47(2Fh)
R48(30h)
EQRAM_READ[47:40]
EQRD4
7
EQRD4
6
EQRD4
5
EQRD4
4
EQRD4
3
EQRD4
2
EQRD4
1
EQRD4
0
00h
R49(31h)
EQRAM_READ[39:32]
EQRD3
9
EQRD3
8
EQRD3
7
EQRD3
6
EQRD3
5
EQRD3
4
EQRD3
3
EQRD3
2
00h
R50(32h)
EQRAM_READ[31:24]
EQRD3
1
EQRD3
0
EQRD2
9
EQRD2
8
EQRD2
7
EQRD2
6
EQRD2
5
EQRD2
4
00h
R51(33h)
EQRAM_READ[23:16]
EQRD2
3
EQRD2
2
EQRD2
1
EQRD2
0
EQRD1
9
EQRD1
8
EQRD1
7
EQRD1
6
00h
R52(34h)
EQRAM_READ[15:08]
EQRD1
5
EQRD1
4
EQRD1
3
EQRD1
2
EQRD1
1
EQRD1
0
EQRD0
9
EQRD0
8
00h
R53(35h)
EQRAM_READ[07:00]
EQRD0
7
EQRD0
6
EQRD0
5
EQRD0
4
EQRD0
3
EQRD0
2
EQRD0
1
EQRD0
0
00h
R54(36h)
EQRAM_WRITE[47:40]
EQWD4
7
EQWD4
6
EQWD4
5
EQWD4
4
EQWD4
3
EQWD4
2
EQWD4
1
EQWD4
0
00h
R55(37h)
EQRAM_WRITE[39:32]
EQWD3
9
EQWD3
8
EQWD3
7
EQWD3
6
EQWD3
5
EQWD3
4
EQWD3
3
EQWD3
2
00h
R56(38h)
EQRAM_WRITE[31:24]
EQWD3
1
EQWD3
0
EQWD2
9
EQWD2
8
EQWD2
7
EQWD2
6
EQWD2
5
EQWD2
4
00h
R57(39h)
EQRAM_WRITE[23:16]
EQWD2
3
EQWD2
2
EQWD2
1
EQWD2
0
EQWD1
9
EQWD1
8
EQWD1
7
EQWD1
6
00h
R58(3Ah)
EQRAM_WRITE[15:08]
EQWD1
5
EQWD1
4
EQWD1
3
EQWD1
2
EQWD1
1
EQWD1
0
EQWD0
9
EQWD0
8
00h
R59(3Bh)
EQRAM_WRITE[07:00]
EQWD0
7
EQWD0
6
EQWD0
5
EQWD0
4
EQWD0
3
EQWD0
2
EQWD0
1
EQWD0
0
00h
R60(3Ch) EQADDR
EQ_ADDR
EQADD EQADD EQADD EQADD EQADD EQADD
5
4
3
2
1
0
00h
R61(3Dh) EQCTRL
EQRAM_CTRL
EQRAM EQRAM
_WR _RD
00h
R62(3Eh)
Reserved
R63(3Fh) DEVADR
I2C Device Address
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
NA(R/W
)
E2h
R64(40h)
PortAPinWCntrlVRefEn
VRef2 VRef1 VRef0 00h
R65(41h)
PortAInAmpLeftGain
AInGain AInGain
L1
L0
00h
R66(42h)
PortAInAmpRightGain
AInGain AInGain
R1
R0
00h
Table 20. I2C Registers
IDT™ CONFIDENTIAL
51
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92HD92