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| AK4679EG Datasheet, PDF (68/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP | |||
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[AK4679]
Mode
Recording 1
Recording 1
& Playback 2
Playback 1
Playback 2
PMADL bit
(PMDML bit)
1
1
0
1
1
0
0
0
PMADR bit PMPFIL PFSEL PFSDO PMDAL/R PMEQ
(PMDMR bit) bit
bit
bit
bits
bit
1
1
0
1
00
0
0
1
0
1
00
0
1
1
0
1
00
0
1
1
0
1
11
1
0
1
0
1
11
1
1
1
0
1
11
1
0
1
1
1
11
1
0
0
0
1
11
1
Table 26. Recode/Playback Mode (x: Donât care)
PMDRC
bit
0
0
0
1
1
1
1
1
DASEL1-0
bits
x
x
x
01
01
01
01
01
Figure
Figure 62
Figure 63
Figure 64
Figure 65
ADC
1st Order
HPF1
1st Order
HPF2
1st Order
LPF
Stereo
Separation
Gain
Compensation
Figure 62. Path at Recording Mode 1
3 Band
Notch
ALC
(Volume)
ADC
DAC
1st Order
HPF1
1st Order
HPF2
1st Order
LPF
Stereo
Separation
Gain
Compensation
3 Band
Notch
DRC
SMUTE DATT-A
5 Band
EQ
Figure 63. Path at Recording Mode 1 & Playback Mode 2
ALC
(Volume)
1st Order
LPF
1st Order
HPF2
DAC
DRC
SMUTE
DATT-A
5 Band
EQ
ALC
(Volume)
3 Band
Notch
Figure 64. Path at Playback Mode 1
Gain
Compensation
Stereo
Separation
DAC
DRC
SMUTE DATT-A
5 Band
EQ
Figure 65. Path at Playback Mode 2
MS1402-E-06
- 68 -
2013/02
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