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(yè)數(shù): 61/83頁(yè)
文件大?。?/td> 670K
代理商: AK4642EN
ASAHI KASEI
[AK4642EN]
MS0420-E-00
2005/09
- 61 -
Addr
06H
Register Name
Timer Select
Default
D7
D6
0
0
D5
ZTM1
0
D4
ZTM0
0
D3
D2
D1
0
0
D0
0
0
DVTM
0
WTM1
0
WTM0
0
WTM1-0: ALC Recovery Waiting Period (see Table 24.)
Default: “00” (128/fs)
ZTM1-0: ALC Limiter/Recovery Operation Zero Crossing Timeout Period (see Table 23.)
Default: “00” (128/fs)
DVTM: Digital Volume Transition Time Setting (see Table 32.)
0: 1061/fs (Default)
1: 256/fs
This is the transition time between DVL/R7-0 bits = 00H and FFH.
Addr
Register Name
D7
07H
ALC Mode Control 1
Default
LMTH1-0: ALC Limiter Detection Level / Recovery Counter Reset Level (see Table 21.)
Default: “00”
LMTH1 bit is D6 bit of 0BH.
RGAIN1-0: ALC Recovery GAIN Step (see Table 25.)
Default: “00”
RGAIN1 bit is D7 bit of 03H.
LMAT1-0: ALC Limiter ATT Step (see Table 22.)
Default: “00”
ZELMN: Zero Crossing Detection Enable at ALC Limiter Operation
0: Enable (Default)
1: Disable
ALC: ALC Enable
0: ALC Disable (Default)
1: ALC Enable
Addr
Register Name
D7
08H
ALC Mode Control 2
REF7
Default
1
REF7-0: Reference Value at ALC Recovery Operation. 0.375dB step, 242 Level (see Table 26.)
Default: “E1H” (+30.0dB)
D6
0
0
D5
ALC
0
D4
D3
D2
D1
D0
0
0
ZELMN
0
LMAT1
0
LMAT0
0
RGAIN0
0
LMTH0
0
D6
REF6
1
D5
REF5
1
D4
REF4
0
D3
REF3
0
D2
REF2
0
D1
REF1
0
D0
REF0
1
相關(guān)PDF資料
PDF描述
AK4643EN Stereo CODEC with MIC/HP/RCV/SPK-AMP
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AK4646 Stereo CODEC with MIC/SPK-AMP
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