ASAHI KASEI
[AK4112A]
n Register Definitions
Reset & Initialize
Addr
Register Name
D7
0
D6
BCU
R/W
0
D5
CM1
R/W
0
D4
D3
D2
D1
D0
RSTN
R/W
1
00H Clock & Power down Control
CM0 OCKS1 OCKS0 PWN
R/W
RD
0
R/W
0
R/W
0
R/W
0
R/W
1
default
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
C(R191)
C(L0)
1/4fs
C(R0) C(L1)
C(L31) C(R31) C(L32)
SDTO
(I2S)
R0
R31
L31
L191
R191
L191
L0
R30
L30
L31
SDTO
L0
R190
R191
R30
(except I2S)
MS0020-E-00
2000/3
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AKM [ ASAHI KASEI MICROSYSTEMS ]
