AK4355 Datasheet, PDF (19/24 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit 6ch DAC for DVD-Audio

ASAHI KASEI
[AK4355]
Addr Register Name
D7
Speed & Power Down
02H _Control
0
Default
0
D6
D5
D4
D3
D2
D1
D0
0
DFS1 DFS0 PW3 PW2 PW1 RSTN
0
0
0
1
1
1
1
RSTN: Internal timing reset
0: Reset. DZF pin goes to“H” and registers are not initialized.
1: Normal operation
When MCLK frequency or DFS change s , the AK4355 should be reset by PDN pin or RSTN bit.
PW3-1: 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
All sections are powered-down by PW1=PW2=PW3=0.
DFS1-0: Sampling speed control (See Table 1)
00: Normal speed
01: Double speed
10: 4 times speed
Addr Register Name
03H De-emphasis Control
Default
D7
D6
D5
D4
D3
D2
0
0
0
0
0
0
0
0
0
0
0
0
DEM1-0: De-emphasis response control for DAC1/2/3 data on SDTI1/2/3/ (See Table 8)
Initial: “01”, OFF
D1
DEM1
0
D0
DEM0
1
Addr
04H
05H
06H
07H
08H
09H
Register Name
LOUT1 ATT Control
ROUT1 ATT Control
LOUT2 ATT Control
ROUT2 ATT Control
LOUT3 ATT Control
ROUT3 ATT Control
Default
D7
ATT7
ATT7
ATT7
ATT7
ATT7
ATT7
1
D6
ATT6
ATT6
ATT6
ATT6
ATT6
ATT6
1
D5
ATT5
ATT5
ATT5
ATT5
ATT5
ATT5
1
D4
ATT4
ATT4
ATT4
ATT4
ATT4
ATT4
1
D3
ATT3
ATT3
ATT3
ATT3
ATT3
ATT3
1
D2
ATT2
ATT2
ATT2
ATT2
ATT2
ATT2
1
D1
ATT1
ATT1
ATT1
ATT1
ATT1
ATT1
1
D0
ATT0
ATT0
ATT0
ATT0
ATT0
ATT0
1
ATT7-0: Attenuation Level
256 levels, 0.5dB step (See Table 9)
Addr Register Name
0AH Control 3
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
DZFB ATS1 ATS0
0
0
0
0
0
0
0
0
ATS1-0: DATT Speed Setting (See Table 10)
Initial: “00”, mode 0
DZFB: Inverting Enable of DZF
0: DZF goes “H” at Zero Detection
1: DZF goes “L” at Zero Detection
MS0063-E-01
- 19 -
2002/07