msm7732 ETC-unknow, msm7732 Datasheet - Page 21

• Manufacturer Part Number: msm7732
• Description: Audio Codec
• Manufacturer: ETC-unknow

¡ Semiconductor
(6) CR5 (Not used)
B7-B0 ..... Not used
(7) CR6 (Voice/silence detect function control)
B7 ..... Voice/silence detect function ON/OFF;
B6, B5 ...... Voice detector level setting (when 1000 Hz single tone is input);
B4, B3, B2, B1, B0 ........ Not used. When writing data, write "0".
(8) CR7 (Detect register, read only)
*For IC testing
B7 ..... Transmit side voice/silence detection;
B6, B5Transmit side silence detect level (indicator);
B4, B3, B2, B1, B0 ........ Not used
CR5
Initial Value
CR6
Initial Value
CR7
Initial Value
Note: These outputs are enabled only when VOX (CR6-B7) = "1".
(0, 0): –20 dBm0
(0, 0): Below –50 dBm0
(1, 0): –30 to –40 dBm0
ON/OFF
VOX
VOX
OUT
B7
—
B7
B7
0
0
0
TX Noise
Level1
LVL1
B6
B6
—
B6
ON
0
0
0
(0, 1): –26 dBm0
TX Noise
Level0
LVL0
B5
—
B5
B5
ON
0
0
0
(0, 1): –40 to –50 dBm0
(1, 1): Above –30 dBm0
B4
B4
—
B4
—
—
0
0
*
(1, 0): –32 dBm0
B3
0/silence,
—
B3
B3
—
—
0
0
*
0/OFF,
B2
—
B2
B2
—
—
0
0
*
(1, 1): –38 dBm0
1/ON
1/voice detect
B1
—
B1
B1
—
—
0
0
*
MSM7732
B0
21/23
—
B0
B0
—
—
0
0
*