AK4632 Datasheet, PDF (49/70 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Mono CODEC with ALC & MIC/SPK/Video-AMP

ASAHI KASEI
[AK4632]
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: Setting of Sampling Frequency (See Table 31 and Table 32) and MCKI Frequency (See Table 33)
These bits are selected to sampling frequency at PLL mode and MCKI frequency at EXT mode.
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 31. 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 32. Setting of Sampling Frequency 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
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 33. MCKI Frequency at EXT Slave Mode (PMPLL bit = “0”, M/S bit = “0”)
Default
BCKP, MSBS: “00” (Default) (See Table 34)
MSBS bit BCKP bit
Audio Interface Format
0
0
Figure 23
0
1
Figure 24
1
0
Figure 25
1
1
Figure 26
Table 34. Audio Interface Format in Mode 0
Default
MS0396-E-00
- 49 -
2005/06