AD1821 Analog Devices, AD1821 Datasheet - Page 7

• Manufacturer Part Number: AD1821
• Manufacturer: Analog Devices

REV. 0
DATA [7:0]
DACK (0, 1, 3)
DACK (0, 1, 3)
IOR/ IOW
DRQ (0, 1, 3)
DRQ (0, 1, 3)
PC_D [7:0]
PC_D [7:0]
AEN
AEN
IOW
IOR
BYTE N
Figure 4. DMA Write Cycle
Figure 3. DMA Read Cycle
Figure 5. Codec Transfers
t
BWDN
t
t
DKSU
DKSU
N + 1
t
RDDV
t
t
AESU
AESU
t
t
DRHD
DRHD
t
STW
t
STW
t
WDSU
N + 2
t
t
t
AEHD
DKHD
DKHD
t
DHD1
t
DHD2
t
AEHD
N + 3
–7–
RIGHT-JUSTIFIED
LEFT-JUSTIFIED
I
RESET
SCLK
2
SDFS
S-JUSTIFIED
SDO
SDI
LRCLK
SDATA
SDATA
SDATA
MODE
MODE
MODE
t
BCLK
PD
t
Figure 7. I
FSW
t
DDS
Figure 8. Reset Pulse Width
Figure 6. DSP Port Timing
t
DBH
t
DDH
t
t
DLS
S
t
BIT 15
MSB
BIT 15
DDS
t
RPWL
t
t
H
t
DBP
2
DBL
S Serial Port Timing
MSB-1
MSB
t
DDH
BIT 14
BIT 14
t
DV
t
DDS
MSB
t
DDH
AD1821
BIT 0
BIT 0
t
DDS
LSB
t
DDH