AK4679EG Datasheet, PDF (104/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[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
0H
0dB
(default)
1H
−6dB
2H
−12dB
3H
−18dB
4H
−24dB
Others
N/A
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
Gain
0H
0dB
(default)
1H
−6dB
2H
−12dB
3H
−18dB
4H
−24dB
Others
N/A
Table 75. SDTIB Volume Table (N/A: Not available)
MS1402-E-06
- 104 -
2013/02