參數(shù)資料
型號(hào): AK4560A
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16bit CODEC with ALC and MIC/HP/SPK-Amps
中文描述: 16位編解碼器ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植,放大器
文件頁(yè)數(shù): 21/47頁(yè)
文件大?。?/td> 339K
代理商: AK4560A
ASAHI KASEI
[AK4560A]
MS0028-E-00
2000/05
- 21 -
Mode
Control
Addr
03H
Register Name
Mode Control
R/W
RESET
DEM1-0: Select De-emphasis Frequency
The AK4560A includes the digital de-emphasis filter (tc = 50/15us) by IIR filter. The filter
corresponds to three sampling frequencies (32kHz, 44.1kHz and 48kHz). The de-emphasis filter
selected DEM0 and DEM1 registers are enabled for input audio data.
D7
0
D6
0
D5
D4
D3
D2
D1
D0
VOL1
VOL0
MONO1 MONO0
R/W
0
DEM1
DEM0
RD
0
0
1
0
0
0
1
DEM1
0
0
1
1
Table 2. De-emphasis Frequencies
DEM0
0
1
0
1
Mode
44.1kHz
OFF
48kHz
32kHz
RESET
MONO1-0: Select digital data to input to DAC
MONO1
0
0
1
1
Table 3. Select digital data to input to DAC
MONO0
0
1
0
1
LOUT
Lch
Lch
Rch
Rch
ROUT
Rch
Lch
Rch
Lch
RESET
VOL1-0: LINEOUT Gain Setting
As signal level of LINEOUT is different by VA power supply voltage, a gain of LINEOUT is set
by VOL1-0 bits.
VOL1
VOL0
Gain
1
0
+7.5dB
1
1
+6.9dB
Table 4. LINEOUT volume setting
VA Voltage
2.8V
3.0V
RESET
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