AK4636 Datasheet, PDF (63/105 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP

[AK4636]
OFF Time of BEEP Generator [msec]
Step [msec]
BPOFF7-0 bit
fs = 48kHz
fs = 44.1kHz fs = 48kHz fs = 44.1kHz
system
system
system
system
(Note 38)
(Note 39)
(Note 38) (Note 39)
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 38. Sampling frequency is 8kHz, 16kHz, 32kHz or 48kHz.
Note 39. Sampling frequency is 11.025kHz, 22.05kHz or 44.1kHz.
Table 51. Beep output OFF-time (PLL Master/Slave Mode reference clock: MCKI)
BPTM6-0 bit
Repeat Count
0H
1
(default)
1H
2
2H
3
3H
4
:
:
7DH
126
7EH
127
7FH
128
Table 52. Beep output Repeat Count
BPLVL2-0 bits Beep Output Level
STEP
0H
0dB
(default)
1H
−3dB
3dB
2H
−6dB
3H
−12dB
6dB
4H
−18dB
5H
−23dB
5dB
6H
−29dB
6dB
7H
−34dB
5dB
Note 40. Beep output amplitude in 0dB setting is 1.5Vpp (LOVL bit = “0”) from AOUT, and 5.08Vpp @8Ω
(SPKG1-0 bits = “00”) from the speaker amplifier.
Table 53. Beep Output Level
MS1012-E-01
- 63 -
2010/08