參數(shù)資料
型號: AK4632VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP
中文描述: 16位ツヒALC的單聲道編解碼器
文件頁數(shù): 46/70頁
文件大?。?/td> 639K
代理商: AK4632VN
ASAHI KASEI
[AK4632]
MS0396-E-00
2005/06
- 46 -
Addr
02H
Register Name
Signal Select 1
Default
D7
SPPS
0
D6
D5
D4
D3
D2
D1
D0
BEEPS
0
ALC2S
0
DACA
0
DACM
0
MPWR
0
MICAD
0
MGAIN0
1
MGAIN1-0 : 1
st
MIC-amp Gain control(See Table 26)
MGAIN 1 bit is located at D6 bit of 03H
MGAIN1 bit
0
0
1
1
MGAIN0 bit
0
1
0
1
Table 26. Input Gain
Input Gain
0dB
+20dB
+26dB
+32dB
Default
MICAD: Switch Control from MIC In to ADC.
0: OFF (Default)
1: ON
When MICAD bit is
1
, the ALC1 output signal is input to ADC.
MPWR: Power Supply Control for Microphone
0: OFF (Default)
1: ON
When PMMIC bit is
1
, MPWR bit is enabled.
DACM: Switch Control from DAC to mono amp.
0: OFF (Default)
1: ON
When PMSPK bit is
1
, DACM bit is enabled. When PMSPK bit is
0
, MOUT pin is Hi-Z state.
DACA: Switch Control from DAC to mono line amp
0: OFF (Default)
1: ON
When PMAO bit is
1
, DACA bit is enabled. When PMAO bit is
0
, the AOUT pin is AVSS.
ALC2S: ALC2 output to Speaker-Amp Enable
0: OFF (Default)
1: ON
When ALC2S bit is
1
, the ALC2 output signal is input to Speaker-Amp.
BEEPS: BEEP pin to Speaker-Amp Enable
0: OFF (Default)
1: ON
When BEEPS bit is
1
, the beep signal is input to Speaker-Amp.
SPPS: Speaker-amp Power-Save-Mode
0: Power Save Mode (Default)
1: Normal Operation
When SPPS bit is
1
, the Speaker-amp is in power-save-mode and the SPP pin becomes Hi-z and SPN pin is
set to SVDD/2 voltage. When the PMSPK bit =
1
, this bit is valid. After the PDN pin changes from
L
to
H
, the PMSPK bit is
0
, which powers down Speaker-amp.
相關(guān)PDF資料
PDF描述
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