ak4358 AKM Semiconductor, Inc., ak4358 Datasheet - Page 29

• Manufacturer Part Number: ak4358
• Description: 192khz 24-bit 8ch Dac With Dsd Input
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0203-E-01
Addr Register Name
Addr Register Name
Addr Register Name
0BH
0CH
02H
03H
04H
05H
06H
07H
08H
09H
RSTN: Internal timing reset
PW4-1: Power-down control (0: Power-down, 1: Power-up)
DFS1-0: Sampling speed control (See Table 2, PCM Only)
DEM1-0: De-emphasis response control for DAC1/2/3/4 data on SDTI1/2/3/4 (See Table 13, PCM only)
ATT6-0: Attenuation Level
ATTE: Attenuation Output Enable
Speed
Control
De-emphasis Control
LOUT1 ATT Control
ROUT1 ATT Control
LOUT2 ATT Control
ROUT2 ATT Control
LOUT3 ATT Control
ROUT3 ATT Control
LOUT4 ATT Control
ROUT4 ATT Control
Default
1: Normal operation
When MCLK frequency or DFS changes, the AK4358 should be reset by PDN pin or RSTN bit.
All sections are powered-down by PW1=PW2=PW3=PW4=0.
00: Normal speed
01: Double speed
10: Quad speed
When changing between Normal/Double Speed Mode and Quad Speed Mode, some click noise occurs.
Initial: “01”, OFF
0: Reset. All DZF pins go to “H” and any registers are not initialized.
PW1: Power down control of DAC1
PW2: Power down control of DAC2
PW3: Power down control of DAC3
PW4: Power down control of DAC4
0: Disable
1: Enable
Default
Default
128 levels, 0.5dB step (See Table 14)
&
Power
Down
ATTE
ATTE
ATTE
ATTE
ATTE
ATTE
ATTE
ATTE
D7
1
D7
D7
0
0
0
0
ATT6
ATT6
ATT6
ATT6
ATT6
ATT6
ATT6
ATT6
D6
PW4
1
D6
D6
1
0
0
- 29 -
ATT5
ATT5
ATT5
ATT5
ATT5
ATT5
ATT5
ATT5
DFS1
D5
D5
D5
1
0
0
0
ATT4
ATT4
ATT4
ATT4
ATT4
ATT4
ATT4
ATT4
DFS0
D4
D4
D4
1
0
0
0
ATT3
ATT3
ATT3
ATT3
ATT3
ATT3
ATT3
ATT3
PW3
D3
D3
D3
1
1
0
0
ATT2
ATT2
ATT2
ATT2
ATT2
ATT2
ATT2
ATT2
PW2
D2
D2
D2
1
1
0
0
ATT1
ATT1
ATT1
ATT1
ATT1
ATT1
ATT1
ATT1
DEM1
PW1
D1
D1
D1
1
1
0
[AK4358]
ATT0
ATT0
ATT0
ATT0
ATT0
ATT0
ATT0
ATT0
RSTN
DEM0
2006/02
D0
D0
D0
1
1
1