AK4646EN AKM [Asahi Kasei Microsystems], AK4646EN Datasheet - Page 29

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

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PMADL and PMADR bits set mono/stereo ADC operation.
When changing ADC operation, PMADL and PMADR bits should be set “0” at first.
MS0557-E-02
Mono/Stereo Mode
LRCK
BICK(32fs)
SDTO(o)
BICK(64fs)
SDTO(o)
SDTI(i)
SDTI(i)
PMADL bit
0
0
1
1
0
0 1
0
0
1
15 14
15 14
15 14
15
15:MSB, 0:LSB
2 3
2 3
14
PMADR bit
Table 17. Mono/Stereo ADC operation
0
1
0
1
Lch Data
8
8
2
2 1
15
9
7
7 6 5 4 3 2 1 0
1
10
16
Figure 20. Mode 3 Timing
6 5 4 3
0
0
11 12 13 14 15 0 1 2 3
17 18
Don't Care
Rch Input Signal
Lch Input Signal
Lch Input Signal
- 29 -
ADC Lch data
2
31 0 1 2 3
All “0”
1 0
15 14
15 14
15
15 14
14
Rch Input Signal
Rch Input Signal
Lch Input Signal
Rch Data
ADC Rch data
8
2 1 0
2 1
8
15
9
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
All “0”
10
16 17 18
0
11 12 13 14 15
Don't Care
31
(default)
0
0
1
1
[AK4646]
2007/05