msm7503 Oki Semiconductor, msm7503 Datasheet - Page 33

• Manufacturer Part Number: msm7503
• Description: Multi-function Pcm Codec
• Manufacturer: Oki Semiconductor

Gain setting (receive gain, side tone gain)
WRITE Mode
Address Data
DB7
0
DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
—
0
0
0
0
1
1
1
1
Control Data
AD1 = 0, AD0 = 0
—
0
0
1
1
0
0
1
1
—
0
1
0
1
0
1
0
1
0
0
0
0
1
1
1
1
—
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Typical receive gain (–6dB)
Typical side tone gain (–9 dB)
Side tone OFF (VOL2 max loss)
–8 dB than the typical gain
–6 dB than the typical gain
–4 dB than the typical gain
–2 dB than the typical gain
+2 dB than the typical gain
+4 dB than the typical gain
+6 dB than the typical gain
–12 dB than the typical gain
–9 dB than the typical gain
–6 dB than the typical gain
–3 dB than the typical gain
+3 dB than the typical gain
+6 dB than the typical gain
Description for Control
Receive gain = VOL1
Side tone gain = VOL2
Receive gain and side tone gain are set at a time.
At the initial setting, the typical gain is set.
Remarks