[AK4634]
Output frequency of BEEP Generator [Hz]
BPFR1-0 bit
fs = 48kHz system
(Note 34)
fs = 44.1kHz system
(Note 35)
00
01
10
11
4000
2000
1000
4009
2005
1002
(default)
N/A
Note 34. Sampling frequency is 8kHz, 16kHz, 32kHz or 48kHz.
Note 35. 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 bit
FS3-2 bits = “00”
fs/2.75
FS3-2 bits = “01”
FS3-2 bits = “10”
00
01
10
11
fs/5.5
fs/11
fs/22
N/A
fs/11
fs/22
fs/44
(default)
fs/5.5
fs/11
Table 39. Beep signal frequency ( PLL Slave Mode: reference clock : FCK/BICK) (N/A: Not available)
Output frequency of BEEP Generator [Hz]
BPFR1-0 bit FS1-0 bits = “00”
FS1-0 bits = “01”
fs/2.75
FS1-0 bits = “10”
FS1-0 bits = “11”
00
01
10
11
fs/11
fs/22
fs/44
fs/55
fs/11
fs/22
fs/11
fs/22
fs/44
(default)
fs/5.5
fs/11
N/A
Table 40. Beep signal frequency (EXT Slave/Master Mode) (N/A: Not available)
ON Time of BEEP Generator [msec]
Step [msec]
BPON7-0 bit
fs = 48kHz
system
fs = 44.1kHz
system
fs = 48kHz
system
fs = 44.1kHz
system
(Note 34)
(Note 35)
(Note 34)
(Note 35)
0H
1H
2H
3H
4H
8.0
16.0
24.0
32.0
40.0
:
7.98
15.86
23.95
31.93
39.9
8.0
7.98
(default)
:
:
FDH
FEH
FFH
2032
2040
2048
2027.3
2035.3
2043.4
Note 34. Sampling frequency is 8kHz, 16kHz, 32kHz or 48kHz.
Note 35. Sampling frequency is 11.025kHz, 22.05kHz or 44.1kHz.
Table 41. Beep output ON-time (PLL Master/Slave Mode reference clock: MCKI)
Rev. 0.5
2007/10
- 54 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
