參數(shù)資料
型號: AK4358VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 192 KHZ 24 BIT 8 CH DAC WITH DSD INPUT
中文描述: 192千赫24位8路DAC,具有DSD輸入
文件頁數(shù): 29/35頁
文件大小: 457K
代理商: AK4358VQ
ASAHI KASEI
[AK4358]
MS0203-E-00
2003/02
- 29 -
Addr Register Name
02H
Speed & Power Down Control
Default
D7
0
0
D6
PW4
1
D5
DFS1
0
D4
DFS0
0
D3
PW3
1
D2
PW2
1
D1
PW1
1
D0
RSTN
1
RSTN: Internal timing reset
0: Reset. All DZF pins go to “H” and any registers are not initialized.
1: Normal operation
When MCLK frequency or DFS changes, the AK4358 should be reset by PDN pin or RSTN bit.
PW4-1: Power-down control (0: Power-down, 1: Power-up)
PW1: Power down control of DAC1
PW2: Power down control of DAC2
PW3: Power down control of DAC3
PW4: Power down control of DAC4
All sections are powered-down by PW1=PW2=PW3=PW4=0.
DFS1-0: Sampling speed control (See Table 2, PCM Only)
00: Normal speed
01: Double speed
10: Quad speed
When changing between Normal/Double Speed Mode and Quad Speed Mode, some click noise occurs.
Addr Register Name
D7
D6
03H
De-emphasis Control
0
0
Default
0
0
DEM1-0: De-emphasis response control for DAC1/2/3/4 data on SDTI1/2/3/4 (See Table 13, PCM only)
Initial: “01”, OFF
Addr Register Name
D7
D6
04H
LOUT1 ATT Control
ATTE
ATT6
ATT5
05H
ROUT1 ATT Control
ATTE
ATT6
ATT5
06H
LOUT2 ATT Control
ATTE
ATT6
ATT5
07H
ROUT2 ATT Control
ATTE
ATT6
ATT5
08H
LOUT3 ATT Control
ATTE
ATT6
ATT5
09H
ROUT3 ATT Control
ATTE
ATT6
ATT5
0BH LOUT4 ATT Control
ATTE
ATT6
ATT5
0CH ROUT4 ATT Control
ATTE
ATT6
ATT5
Default
1
1
ATT6-0: Attenuation Level
128 levels, 0.5dB step (See Table 14)
ATTE: Attenuation Output Enable
0: Disable
1: Enable
D5
0
0
D4
0
0
D3
0
0
D2
0
0
D1
DEM1
0
D0
DEM0
1
D5
D4
ATT4
ATT4
ATT4
ATT4
ATT4
ATT4
ATT4
ATT4
1
D3
ATT3
ATT3
ATT3
ATT3
ATT3
ATT3
ATT3
ATT3
1
D2
ATT2
ATT2
ATT2
ATT2
ATT2
ATT2
ATT2
ATT2
1
D1
ATT1
ATT1
ATT1
ATT1
ATT1
ATT1
ATT1
ATT1
1
D0
ATT0
ATT0
ATT0
ATT0
ATT0
ATT0
ATT0
ATT0
1
1
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