msm7617 Oki Semiconductor, msm7617 Datasheet - Page 20

• Manufacturer Part Number: msm7617
• Description: 2-channel Echo Canceler
• Manufacturer: Oki Semiconductor

Internal operation
¡ Semiconductor
Serial Data Output Timing (Parallel Mode, FTF Mode)
Serial Data Output Timing (Serial Mode)
Operation Timing After Reset
ROUT
SYNC
SOUT
SCK
ROUT1
SYNC1
SOUT1
SCK
Note: Refer to parallel mode for detailed timing
High-Z
t
RST
XS
High-Z
t
t
XD


SD
t
SX
7
t
MSB
DRS
7
6
t
f
5
XD
SCK
t
CH1 data
WSY
6
t
t
Reset
, t
4
WSY
WR
f
SCK
SCK
t
DRE
3
, t
5
SCK
2
Note: Reset timing can be asynchronous.
1
4
0
Initial setting
t
7
t
DSC
DIT
3
6
t
CYC
t
5
CYC
CH2 data
2
4
3
1
2
Proccessing starts
1
LSB
0
0
High-Z
High-Z
t
XD
MSM7617
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7
MSB
7