AK4951AEN Datasheet, PDF (76/105 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4951A]
Addr
03H
Register Name
Signal Select 2
R/W
Default
D7
SPKG1
R/W
0
D6
SPKG0
R/W
0
D5
VODETN
R/W
0
D4
MICL
R/W
0
D3
INL1
R/W
0
D2
INL0
R/W
0
D1
INR1
R/W
0
D0
INR0
R/W
0
INR1-0: ADC Rch Input Source Select (Table 22)
Default: “00” (RIN1 pin)
INL1-0: ADC Lch Input Source Select (Table 22)
Default: “00” (LIN1 pin)
MICL: MPWR pin Output Voltage Select
0: typ 2.4V (default)
1: typ 2.0V
VODETN: Voice Peak Detection Disable for Automatic Wind Noise Reduction Filter
0: Enable (default)
1: Disable
When AHPF and VODETN bits = “1”, voice peak detection is disable. VODETN bit must be set
when PMPFIL bit = “0”.
SPKG1-0: Speaker Amplifier Output Gain Select (Table 56)
Default: “00” (+6.4dB)
Addr
04H
Register Name
Signal Select 3
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
LVCM1 LVCM0 DACL
0
PTS1 PTS0 MONO1 MONO0
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
0
1
0
0
0
1
0
0
MONO1-0: Mono/Stereo Setting for DAC Input (Table 49)
Default: “00” (Stereo)
PTS1-0: Soft Transition Control of “BEEP → Headphone” Connection ON/OFF (Table 52)
Default: “01”
DACL: Signal Switch Control from DAC to Stereo Line Amplifier
0: OFF (default)
1: ON
LVCM1-0: Stereo Line Output Gain and Common Voltage Setting (Table 59)
Default: “01” (+2dB, 1.5V)
016001936-E-00
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2016/03