AK4955 Datasheet, PDF (59/117 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP/ LDO & DSP

[AK4955]
Output frequency of BEEP Generator [Hz]
BPFR1-0 bits fs = 48kHz (Note 46) fs = 44.1kHz (Note 47)
00
4000
4009
(default)
01
2000
2005
10
1297
1297
11
800
802
Note 46. The sampling frequency is 8kHz, 16kHz, 32kHz, or 48kHz.
Note 47. The sampling frequency is 11.025kHz, 22.05kHz, or 44.1kHz.
Table 48. Beep Output Frequency (MCKI Reference, PLL Master/Slave Mode)
Output frequency of BEEP Generator [Hz]
BPFR1-0 bits
FS3-2 bits
= “00”
FS3-2 bits
= “01”
FS3-2 bits
= “10”
00
fs/2.75
fs/5.5
fs/11
(default)
01
fs/5.5
fs/11
fs/22
10
fs/8.5
fs/17
fs/34
11
fs/13.75
fs/27.5
fs/55
Table 49. Beep Output Frequency (BICK Reference, PLL Slave Mode)
BPFR1-0 bits
00
01
10
11
Output frequency of BEEP Generator [Hz]
FS1-0 bits
= “00”
FS1-0 bits
= “01”
FS1-0 bits
= “10”
FS1-0 bits
= “11”
fs/11
fs/2.75
fs/5.5
fs/11
fs/22
fs/5.5
fs/11
fs/22
fs/34
fs/8.5
fs/17
fs/34
fs/55
fs/13.75
fs/27.5
fs/55
Table 50. Beep Output Frequency (EXT Master/Slave Mode)
(default)
ON Time of BEEP Generator
Step[msec]
[msec]
BPON7-0 bits
fs=48kHz
fs=44.1kHz
fs=48kHz fs=44.1kHz
(Note 46)
(Note 47)
(Note 46)
(Note 47)
0H
8.0
7.98
8.0
7.98
(default)
1H
16.0
15.86
2H
24.0
23.95
3H
32.0
31.93
:
:
:
FDH
2032
2027.3
FEH
2040
2035.3
FFH
2048
2043.4
Note 46. The sampling frequency is 8kHz, 16kHz, 32kHz, or 48kHz
Note 47. The sampling frequency is 11.025kHz, 22.05kHz, or 44.1kHz
Table 51. Beep Output On Time (MCKI Reference, PLL Master/Slave Mode)
MS1343-E-00
- 59 -
2011/12