msm7570l-01 Oki Semiconductor, msm7570l-01 Datasheet - Page 8

• Manufacturer Part Number: msm7570l-01
• Description: Multi-function Adpcm Codec Msm7570l-01/02multi-function Adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Note: VOXO, VOXI functions becomes valid when setting CR6-B7 to digital “1”.
Voice Output
VFRO
Voice Input
GSX2
VOXO
VOXI
(b) Receive VOX Function (CR6-B3: digital "0") Timing Diagram
Normal Voice Signal
Decoded Time period
T
Voice
Detect
VXON
(a) Transmit VOX Function Timing Diagram
Voice
Voice
Figure 2 VOX Function
Background
Noise
Silence
Silence
T
Silence
Detect (Hang-over time)
VXOFF
Voice
Voice
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