AK4631 Datasheet, PDF (49/69 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4631]
Addr
05H
Register Name
Mode Control 2
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
FS3 MSBS BCKP FS2
FS1
FS0
0
0
0
0
0
0
0
0
FS3-0: αϯϓϦϯάप೾਺(See Table 28 and Table 29)ͼٴMCKIप೾਺ͷઃఆ(See Table 30)
PLLϞʔυ࣌͸αϯϓϦϯάप೾਺ͷઃఆΛߦ͍ɺEXTϞʔυ࣌͸MCKIͷೖྗप೾਺Λઃఆ͠·
͢ɻ
Mode
0
1
2
3
4
5
6
7
10
11
14
15
Others
FS3 bit
FS2 bit
FS1 bit
FS0 bit Sampling Frequency
0
0
0
0
8kHz
0
0
0
1
12kHz
0
0
1
0
16kHz
0
0
1
1
24kHz
0
1
0
0
7.35kHz
0
1
0
1
11.025kHz
0
1
1
0
14.7kHz
0
1
1
1
22.05kHz
1
0
1
0
32kHz
1
0
1
1
48kHz
1
1
1
0
29.4kHz
1
1
1
1
44.1kHz
Others
N/A
Table 28. Setting of Sampling Frequency at PLL2 bit = “1” and PMPLL bit = “1”
Default
Mode FS3 bit FS2 bit FS1 bit FS0 bit Sampling Frequency Range
0
0
Don’t care
0
0
7.35kHz ≤ fs ≤ 8kHz Default
1
0
Don’t care
0
1
8kHz < fs ≤ 12kHz
2
0
Don’t care
1
0
12kHz < fs ≤ 16kHz
3
0
Don’t care
1
1
16kHz < fs ≤ 24kHz
6
1
Don’t care
1
0
24kHz < fs ≤ 32kHz
7
1
Don’t care
1
1
32kHz < fs ≤ 48kHz
Others
Others
N/A
Table 29. Setting of Sampling Frequency Range at PLL2 bit = “0” and PMPLL bit = “1”
Mode
0
1
2
3
FS3-2 bits
FS1 bit FS0 bit MCKI Input Sampling Frequency
Frequency
Range
Don’t care
0
0
256fs
7.35kHz ≤ fs ≤ 48kHz Default
Don’t care
0
1
1024fs
7.35kHz < fs ≤ 13kHz
Don’t care
1
0
256fs
7.35kHz < fs ≤ 48kHz
Don’t care
1
1
512fs
7.35kHz < fs ≤ 26kHz
Table 30. EXT Slave Mode (PMPLL bit = “0”, M/S bit = “0”) ࣌ͷMCKIप೾਺ͷઃఆ
BCKP, MSBS: “00” (Default) (See Table 31)
MSBS bit BCKP bit
Audio Interface Format
0
0
Figure 22
0
1
Figure 23
1
0
Figure 24
1
1
Figure 25
Table 31. Audio Interface Format in Mode 0
Default
MS0317-J-01
- 49 -
2004/11