MSM7570L-01 Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM7570L-01

Multi-Function ADPCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7570L-01/02

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 becomes valid when setting CR6-B7 to digital “1”.

Figure 2 VOX Function

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