AK4634EN Datasheet, PDF (56/94 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK -AMP

[AK4634]
Output frequency of BEEP Generator [Hz]
BPFR1-0 bits
fs = 48kHz system
fs = 44.1kHz system
(Note 35)
(Note 36)
00
4000
4009
(default)
01
2000
2005
10
1000
1002
11
N/A
Note 35. Sampling frequency is 8kHz, 16kHz, 32kHz or 48kHz.
Note 36. Sampling frequency is 11.025kHz, 22.05kHz or 44.1kHz.
Table 38. Beep signal frequency (PLL Master/Slave Mode: reference clock: MCKI) (N/A: Not available)
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/11
fs/22
fs/44
11
N/A
Table 39. Beep signal frequency ( PLL Slave Mode: reference clock : FCK/BICK) (N/A: Not available)
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/55
fs/11
fs/22
fs/5.5
fs/11
fs/22
fs/44
fs/11
fs/22
fs/44
N/A
Table 40. Beep signal frequency (EXT Slave/Master Mode) (N/A: Not available)
(default)
ON Time of BEEP Generator [msec]
Step [msec]
BPON7-0 bits
fs = 48kHz
fs = 44.1kHz
fs = 48kHz fs = 44.1kHz
system
system
system
system
(Note 35)
(Note 36)
(Note 35) (Note 36)
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
4H
40.0
39.9
:
:
FDH
2032
2027.3
FEH
2040
2035.3
FFH
2048
2043.4
Note 35. Sampling frequency is 8kHz, 16kHz, 32kHz or 48kHz.
Note 36. Sampling frequency is 11.025kHz, 22.05kHz or 44.1kHz.
Table 41. Beep output ON-time (PLL Master/Slave Mode reference clock: MCKI)
MS0686-E-03
- 56 -
2014/10