ak4633 AKM Semiconductor, Inc., ak4633 Datasheet - Page 58

• Manufacturer Part Number: ak4633
• Description: 16-bit ?? Mono Codec With Alc & Mic/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0447-E-03
Addr
03H
ADCPF : Select the input signal to Programmable Filter/ALC
PFDAC : Select the input signal to DAC
BEEPA: Switch Control from beep signal to mono line output amp
SPKG1-0: Select Speaker-Amp Output Gain ( Table 35)
AOPS: Mono Line Output Power-Save Mode
PFSDO : Select the output signal from SDTO
MGAIN1: MIC-Amp Gain Control (Table 18)
0: SDTI
1: Output from ADC (Default)
0: SDTI (Default)
1: Output from programmable Filter/ALC
0: OFF (Default)
1: ON
MGAIN2, MGAIN0 bit is D1,D2 bit of 02H. Default: “001H” (+20.0dB)
0: Normal Operation (Default)
1: Power Save Mode
0: Output from ADC (+ 1
1: Output from Programmable Filter/ALC(Default)
Register Name
Signal Select 2
When PMAO bit is “1”, BEEPA bit is enabled. When PMAO bit is “0”, the AOUT pin go to AVSS.
Power-save mode is enable at AOPS bit = “1”. POP noise at power-up/down can be reduced by changing at
AOPS bit = “1” (Figure 40).
Default: “00”
Default
Figure 44. Speaker and Mono Lineout-Amps switch control
st
BEEP
DAC
HPF)
PFSDO
D7
1
AOPS
D6
0
- 58 -
MGAIN1
BEEPA
D5
BEEPS
DACA
0
DACS
SPKG1
D4
0
SPKG0
D3
0
AOUT
SPK
BEEPA
D2
0
PFDAC
D1
0
[AK4633]
ADCPF
2006/04
D0
1