AK4635 AKM [Asahi Kasei Microsystems], AK4635 Datasheet - Page 68

• Manufacturer Part Number: AK4635
• Description: 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

03H
Addr
Addr
04H
Rev. 0.6
ADCPF: Select of Input signal to Programmable Filter/ALC.
PFDAC: Select of Input signal to DAC.
SPKG: Select Speaker-Amp Output Gain
MGAIN1: Mic-Amplifier Gain Control
AOPS: Mono Line Output Power-Save Mode
PFSDO: Select of signal from SDTO
DIF1-0: Audio Interface Format
BCKO1-0: Select BICK output frequency at Master Mode
PLL3-0: Select input frequency at PLL mode
0: SDTI
1: Output of ADC (default)
0: SDTI (default)
1: Output of Programmable Filter/ALC
0: 0dB (default)
1: +2dB
MGAIN3-2 and MGAIN0 bits are D3, D2 and D0 of 02H. Default: “0001” (+20.0dB)
0: Normal Operation (default)
1: Power-Save Mode
0: Output of ADC (1
1: Output of Programmable Filter/ALC (default)
Default: “10” (MSB First)
Default: “00” (16fs)
Default: “0000” (FCK pin)
Register Name
Signal Select 2
Register Name
Mode Control 1
Power-save mode is enable at AOPS bit = “1”. POP noise at power-up/down can be reduced by changing at
PMAO bit = “1”.
Default
Default
R/W
R/W
st
- HPF)
(Figure
PFSDO
(Table
PLL3
R/W
40)
R/W
D7
D7
1
0
(Table
16)
AOPS
R/W
PLL2
D6
R/W
D6
(Table
0
0
20)
MGAIN1
4)
- 68 -
R/W
PLL1
D5
R/W
D5
0
0
(Table
PLL0
9)
D4
R/W
R
D4
0
0
0
SPKG
BCKO1
R/W
D3
R/W
0
D3
0
BCKO0
D2
R/W
R
0
0
D2
0
PFDAC
DIF1
R/W
R/W
D1
D1
0
1
[AK4635]
ADCPF
DIF0
R/W
R/W
2007/10
D0
D0
1
0