參數(shù)資料
型號(hào): AK4642EN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 59/83頁
文件大?。?/td> 670K
代理商: AK4642EN
ASAHI KASEI
[AK4642EN]
MS0420-E-00
2005/09
- 59 -
Addr
02H
Register Name
Signal Select 1
Default
D7
D6
D5
DACS
0
D4
D3
0
0
D2
D1
0
0
D0
SPPSN
0
BEEPS
0
DACL
0
PMMP
0
MGAIN0
1
MGAIN1-0: MIC-Amp Gain Control (See Table 16)
MGAIN1 bit is D5 bit of 03H.
PMMP: MPWR pin Power Management
0: Power-down: Hi-Z (Default)
1: Power-up
DACL: Switch Control from DAC to Stereo Line Output
0: OFF (Default)
1: ON
When PMLO bit is “1”, DACL bit is enabled. When PMLO bit is “0”, the LOUT/ROUT pins go to AVSS.
DACS: Switch Control from DAC to Speaker-Amp
0: OFF (Default)
1: ON
When DACS bit is “1”, DAC output signal is input to Speaker-Amp.
BEEPS: Switch Control from MIN pin to Speaker-Amp
0: OFF (Default)
1: ON
When BEEPS bit is “1”, mono signal is input to Speaker-Amp.
SPPSN: Speaker-Amp Power-Save Mode
0: Power-Save Mode (Default)
1: Normal Operation
When SPPSN bit is “0”, Speaker-Amp is in power-save mode. In this mode, SPP pin goes to Hi-Z and SPN
pin is outputs HVDD/2 voltage. When PMSPK bit = “1”, SPPSN bit is enabled. After the PDN pin is set to
“H”, Speaker-Amp is in power-down mode since PMSPK bit is “0”.
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