msm7708-02 Oki Semiconductor, msm7708-02 Datasheet - Page 29

• Manufacturer Part Number: msm7708-02
• Description: Serial Register Interface Adpcm Codec For Telephone Recording
• Manufacturer: Oki Semiconductor

¡ Semiconductor
(8) CR7 (Detect Register: Read-only)
Note:
CR7
Initial value
B7: .............. Transmit side voice/silence detection
B6, B5: .......Transmit side silence level (indicator)
These outputs are enabled when the voice/silence detect function is turned on by CR6
- B7.
B4, B3, B2: .Not used
B1: .............. Serial Register I/F monitoring
B0: .............. Monitors serial register recording or playback.
VOX
OUT
B7
0
Monitors address read and write operation of serial register interface.
0: Stop
0: Stop
Silent Level
(0,0):Below –60 dBm0
(1,0): –40 to –50 dBm0
B6
1
0
Silent Level
1: Read or Write
1: Recording or playing back
B5
0
0
B4
—
0
(0,1): –50 to –60 dBm0
(1,1): Above –40 dBm0
B3
—
0
0: Silence
B2
—
0
Busy
B1
0
MSM7708-02
1: Voice
RPM
29/38
B0
0