ak4647 AKM Semiconductor, Inc., ak4647 Datasheet - Page 26

• Manufacturer Part Number: ak4647
• Description: Stereo Codec With Mic/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
PMADL and PMADR bits set mono/stereo ADC operation.
MS0566-E-00
Mono/Stereo Mode
LRCK
BICK(32fs)
SDTO(o)
BICK(64fs)
SDTO(o)
LRCK
BICK(32fs)
SDTO(o)
BICK(64fs)
SDTO(o)
SDTI(i)
SDTI(i)
SDTI(i)
SDTI(i)
PMADL bit
0
0
1
1
0
0 1
0
0 1
15 14
15 14
15 14 13
15 14
15:MSB, 0:LSB
0
0
1
1
15 14
15 14
15 14
15
15:MSB, 0:LSB
2 3
2 3
2 3
2 3
14
13
13
13
PMADR bit
Table 14. Mono/Stereo ADC operation
0
1
0
1
Lch Data
Lch Data
8
8
2
2 1
7
7 6 5 4 3 2 1 0
1
1 0
15
15
9
9
7
7 6 5 4 3 2 1 0
1
6 5 4 3
0
10
16
Figure 19. Mode 2 Timing
Figure 20. Mode 3 Timing
10
16
6 5 4 3
0
0
11 12 13 14 15 0 1 2 3
17 18
11 12 13 14 15 0 1 2 3
17 18
Don't Care
Don't Care
Rch Input Signal
Lch Input Signal
Lch Input Signal
- 26 -
2
ADC Lch data
2
1 0
31 0 1 2 3
All “0”
31 0 1 2 3
1 0
15 14 13
15 14 13
15 14 13
15
15 14
15 14
15
15 14
14
14
13
Rch Input Signal
Rch Input Signal
Lch Input Signal
Rch Data
8
2 1 0
2 1
ADC Rch data
Rch Data
8
7 6 5 4 3
7 6 5 4 3 2 1 0
1 0
1 0
15
15
9
9
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
All “0”
10
16 17 18
10
16 17 18
0
11 12 13 14 15
11 12 13 14 15
Don't Care
Don't Care
2
1 0
31
31
Default
0
0
0
0
15
15
15
15
1
1
1
1
[AK4647]
2006/11