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| MSM7590L-01 Datasheet, PDF (8/26 Pages) OKI electronic componets – Multi-Function ADPCM CODEC | |||
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¡ Semiconductor
MSM7590L-01
Voice Input
GSX2
VOXO
VOXI
Voice
TVXON
Voice
Detect
Silence
Voice
TVXOFF
Silence
Detect (Hang-over time)
(a) Transmit VOX Function Timing Diagram
Voice
Silence
Voice
Voice Output
VFRO
Normal Voice Signal
Decoded Time period
Background
Noise
(b) Receive VOX Function (CR6-B3: digital "0") Timing Diagram
Note: VOXO, VOXI functions become valid when setting CR6-B7 to digital â1â.
Figure 2 VOX Function
8/26
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