msm7728 Oki Semiconductor, msm7728 Datasheet - Page 15

• Manufacturer Part Number: msm7728
• Description: Single Rail Linear Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
TIMING DIAGRAMS
CODEC Interface Timing
Processor Interface Timing
PCMOUT
CDOUT
CDOUT
Transmit Timing
Receive Timing
PCMIN
DCLK
DCLK
CDIN
WRN
CDIN
WRN
SYNC
SYNC
BCLK
BCLK
RDN
RDN
t
t
XS
RS
t
XD1
t
t
Hi-Z
WR1
1
1
RD1
When t
When t
H
H
MSD
MSD
t
SD
t
t
SR
SX
2
2
XS
SX
t
t
WSH
WSH
D2
D2
£ 1/2 • Fc, the Delay of the MSD bit is defined by t
< 1/2 • Fc, the Delay of the MSD bit is defined by t
3
3
A2
A2
t
t
D3
D3
WR2
1
1
RD2
4
4
Figure 2 Processor Timing Diagram
D4
D4
A1
A1
Figure 1 Basic Timing Diagram
5
5
t
2
2
XD2
D5
D5
6
6
A0
A0
t
DS
D6
D6
3
3
7
7
Hi-Z
D7
D7
B4
WRITE Mode
t
t
X
READ Mode
WCL
CDS
B4
8
8
t
4
4
CD1
P
P
t
DH
WRN
D8
D8
RDN
9
9
B3
X
B3
D9
D9
5
5
10
10
t
t
WCH
t
t
CDH
D10 D11 D12 D13 D14
D10 D11 D12 D13
WSL
WSL
B2
X
XD1
SD
11
11
B2
.
6
6
.
12
12
B1
X
B1
7
7
t
t
13
13
WR3
RD3
B0
X
14
14
B0
8
8
D14
15
15
t
t
t
CD2
t
XD3
WR4
RD4
16
16
17
17
MSM7728
18
18
15/23
19
19