參數(shù)資料
型號(hào): AK4569
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 20-Bit Stereo CODEC with IPGA & HP-AMP
中文描述: 20位立體聲編解碼器與單親遺傳算法
文件頁數(shù): 33/45頁
文件大?。?/td> 474K
代理商: AK4569
ASAHI KASEI
[AK4569]
MS0292-E-01
2005/07
- 33 -
Addr Register Name
06H
Mode Control
D7
D6
D5
0
0
D4
ATS
0
D3
HPM
0
D2
DIF1
1
D1
DIF0
0
D0
DFS
0
MCKAC
0
MCKPD
0
Default
DFS: Sampling Speed Mode Select (Table 2)
DIF1-0: Audio Data Interface Format
Default: “10” (Mode 2)
HPM: Mono Output Select of Headphone
0: Normal Operation (Default)
1: Mono. (L+R)/2 signals from the DAC are output to both Lch and Rch of headphone.
Setting of HPM bit is enabled only at DACL=DACR= “1”.
DACL
0
HPM
x
0
1
HPL pin Output
No output from DAC
Output from Lch of DAC
Output (L+R)/2 from DAC
Default
1
Table 14. Mono Output Select of Headphone
(Note. Rch is same.)
ATS: Digital attenuator transition time setting (Table 15)
ATT speed
ATS
0dB to MUTE
1061/fs
7424/fs
1 step
4/fs
29/fs
0
1
Default
Table 15. Transition time between set values of ATT7-0 bits
MCKPD: MCLK Input Buffer Control
0: Enable (Default)
1: Disable
When MCLK input with AC coupling is stopped, MCKPD bit should be set to “1”.
MCKAC: MCLK Input Mode Select
0: CMOS input (Default)
1: AC coupling input
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