[AK4679]
■ Side Tone Volume for B/T Phone Call (SVOLB)
The AK4679 has the side tone volume control (5 levels, 6dB step) for B/T phone call. The volume can be set by the
SVB2-0 bits. The volume range is from 0dB to -24dB.
SVB2-0 bits
Gain
0dB
0H
1H
2H
3H
4H
(default)
−6dB
−12dB
−18dB
−24dB
N/A
Others
Table 74. Side Tone Volume B Table (N/A: Not available)
■ Digital Volume for B/T MIC Input (BIVOL)
The AK4679 has the digital volume control (5 levels, 6dB step) for B/T mic input. The volume can be set by the BIV2-0
bits .The volume rage is from 0 to –24dB.
BIV2-0 bits
0H
Gain
0dB
(default)
1H
2H
3H
4H
−6dB
−12dB
−18dB
−24dB
N/A
Others
Table 75. SDTIB Volume Table (N/A: Not available)
MS1402-E-06
2013/02
- 104 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
