參數(shù)資料
型號: AK4671EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/RCV/HP-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/垃圾車/惠普腺苷
文件頁數(shù): 137/164頁
文件大小: 1792K
代理商: AK4671EG
[AK4671]
MS0666-E-00
2007/10
- 137 -
Addr
1DH
Register Name
Digital Filter Select
R/W
Default
D7
GN1
R/W
0
D6
GN0
R/W
0
D5
LPF
R/W
0
D4
HPF
R/W
0
D3
EQ0
R/W
0
D2
FIL3
R/W
0
D1
D0
HPFAD
R/W
1
PFSEL
R/W
0
PFSEL
: Signal Select of Programmable Filter Block (
Table 43
)
0: ADC Output Data (default)
1: SDTI Input Data
HPFAD: HPF Control of ADC
0: OFF
1: ON (default)
When HPFAD bit is “1”, the settings of F1A13-0 and F1B13-0 bits are enabled. When HPFAD bit is “0”,
HPFAD block is through (0dB).
GN1-0: Gain Select at GAIN block (
Table 23
)
Default: “00” (0dB)
FIL3: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
When FIL3 bit is “1”, the settings of F3A13-0 and F3B13-0 bits are enabled. When FIL3 bit is “0”, FIL3 block
is OFF (MUTE).
EQ0: EQ0 (Gain Compensation Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ0 bit is “1”, the settings of E0A15-0, E0B13-0 and E0C15-0 bits are enabled. When EQ0 bit is “0”,
EQ0 block is through (0dB).
HPF: HPF Coefficient Setting Enable
0: Disable (default)
1: Enable
When HPF bit is “1”, the settings of F1A13-0 and F1B13-0 bits are enabled. When HPF bit is “0”, HPF block
is through (0dB).
LPF: LPF Coefficient Setting Enable
0: Disable (default)
1: Enable
When LPF bit is “1”, the settings of F2A13-0 and F2B13-0 bits are enabled. When LPF bit is “0”, LPF block
is through (0dB).
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