AK4112B Datasheet, PDF (22/30 Pages) Asahi Kasei Microsystems – HIGH FEATURE 96kHz 24BIT DIR

ASAHI KASEI
[AK4112B]
„ Register Definitions
Reset & Initialize
Addr
Register Name
D7
00H Clock & Power down Control 0
R/W
RD
default
0
D6
BCU
R/W
0
D5
CM1
R/W
0
D4
CM0
R/W
0
D3
D2
OCKS1 OCKS0
R/W R/W
0
0
D1
PWN
R/W
1
D0
RSTN
R/W
1
RSTN: Timing Reset & Register Initialize
0: Reset & Initialize
1: Normal Operation
PWN: Power Down
0: Power down
1: Normal Operation
OCKS1-0: Master Clock frequency Select
CM1-0: Master Clock Operation Mode Select
BCU: Block start & C/U output Mode
When BCU=1, the 3 output pins change another function.
MCKO2 pin→ B; block start signal
AUTO pin→ C bit
FS96 pin→ U bit
The block signal goes high at the start of frame 0 and remains high until the end of frame 31.
(B, C, U, V output timing at RX mode, Master mode)
B
C (or U,V)
LRCK
SDTO
(I²S)
SDTO
(except I²S)
C(R191) C(L0) C(R0) C(L1)
1/4fs
L191 R191 L0
R0
R190 L191 R191 L0
C(L31) C(R31) C(L32)
R30 L31 R31
L30 R30 L31
MS0078-E-02
- 22 -
2004/04