AK4646EN AKM [Asahi Kasei Microsystems], AK4646EN Datasheet - Page 33

• Manufacturer Part Number: AK4646EN
• Description: Stereo CODEC with MIC/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

LPF bit, HPF bit, FIL3 bit, EQ0 bit, EQ1 bit, EQ2 bit, EQ3 bit, EQ4 bit, EQ5 bit, ACL1 bit and ALC2 bit should be “0”
when selecting those modes.
MS0557-E-02
Recording Mode
Playback Mode
Loop Through
Mode
Mode
ADC
DAC
DAC
ADC
ADC
DAC
SMUTE
1st Order
HPF
PMADL
SMUTE
2nd Order
SMUTE
bit
2nd Order
1
1
0
0
x
1
1
0
HPF
HPF
DATT
PMADR
Figure 25. Path at Recording Mode (default)
DATT
DATT
bit
Figure 27. Path at Loop Through Mode
1
0
1
0
x
1
0
1
Table 21. Recording Playback Mode
1st Order
(Volume)
1st Order
Figure 26. Path at Playback Mode
ALC
LPF
LPF
“0” Data
PMDAC
bit
x
x
1
1
1
1
x
1
“ x ” : Don’t Care
Separation
5 Band
Separation
Stereo
EQ
Stereo
- 33 -
DAFIL
bit
0
0
1
0
0
0
0
0
Compensation
Compensation
Compensation
Gain
Gain
LOOP
Gain
bit
0
0
0
0
0
1
1
1
Separation
Stereo
SW1
5 Band
Figure 24 SW
5 Band
EQ
1
1
1
0
0
1
1
1
EQ
1st Order
SW2
LPF
0
0
0
1
1
1
1
1
(Volume)
(Volume)
ALC
ALC
Figure 25
Figure 26
Figure 27
1st Order
Figure
HPF
[AK4646]
2007/05