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AD1815 데이터 시트보기 (PDF) - Analog Devices
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AD1815
SoundComm Controller
Analog Devices
AD1815 Datasheet PDF : 44 Pages
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AD1815
DRQ (0, 1, 3)
DACK
(0, 1, 3)
AEN
IOR
PC_D [7:0]
t
DKSU
t
DRHD
t
AESU
t
STW
t
RDDV
t
DKHD
t
AEHD
t
DHD1
Figure 3. DMA Read Cycle
DRQ (0, 1, 3)
DACK
(0, 1, 3)
AEN
IOW
PC_D [7:0]
t
DKSU
t
DRHD
t
AESU
t
DKHD
t
AEHD
t
STW
t
WDSU
t
DHD2
Figure 4. DMA Write Cycle
SCLK
SDFS
t
PD
SDI
t
FSW
t
H
t
S
BIT 15
SDO
BIT 15
BIT 14
t
DV
BIT 14
BIT 0
BIT 0
Figure 6. DSP Port Timing
BCLK
LRCLK
t
DBH
t
DBP
t
DLS
t
DBL
SDATA
LEFT-JUSTIFIED
MODE
SDATA
I
2
S -JUSTIFIED
MODE
t
DDS
MSB
t
DDH
t
DDS
SDATA
RIGHT-JUSTIFIED
MODE
MSB-1
MSB
t
DDH
t
DDS
MSB
t
DDH
t
DDS
LSB
t
DDH
Figure 7. I
2
S Serial Port Timing
IOR
/
IOW
t
BWDN
DATA [7:0]
BYTE N
N+1
N+2
Figure 5. Codec Transfers
N+3
RESET
t
RPWL
Figure 8. Reset Pulse Width
–8–
REV. 0
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