msm7617 Oki Semiconductor, msm7617 Datasheet - Page 21

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

Internal operation
¡ Semiconductor
Power-Down Timing
Note: All inputs are invalid during power-down. Always reset the device after power-down.
Channel 2 Control Pin (when in serial mode)
Capture Timing of Control Pins
SYNC
(when not in serial mode)
RST
SCK
Control Pin
Channel 1 Control Pin
Channel 2 Control Pin
PWDWN
Control pin states are captured during reset and during each period’s serial data capture.
RST
  
t
DPS
t
ID
t
DCS
t
WR
Power-down
t
t
DSR
DCH
t
ID2
t
DHR
t
DCS
t
DPE
t
WPR
t
DCH
MSM7617
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