AK4953A Datasheet, PDF (53/96 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4953A]
OFF Time of BEEP Generator [msec]
Step[msec]
BPOFF7-0 bits fs=48kHz system fs=44.1kHz system fs=48kHz system fs =44.1kHz system
(Note 47)
(Note 48)
(Note 47)
(Note 48)
0H
8.0
7.98
8.0
7.98
1H
16.0
15.96
2H
24.0
23.95
3H
32.0
31.93
:
:
:
FDH
2032
2027.3
FEH
2040
2035.3
FFH
2048
2043.4
Note 47. Sampling frequency is 8kHz, 16kHz, 32kHz, 48kHz, 64kHz or 96kHz
Note 48. Sampling frequency is 11.025kHz, 22.05kHz, 44.1kHz or 88.2kHz
Table 48. Beep Output OFF-time (PLL Master/Slave Mode; MCKI referenced)
(default)
OFF Time of BEEP Generator [msec]
Step[msec]
BPOFF7-0 bits fs=48kHz system fs=44.1kHz system fs=48kHz system fs=44.1kHz system
(Note 47)
(Note 48)
(Note 47)
(Note 48)
0H
7.33
7.98
7.33
7.98
(default)
1H
14.67
15.96
2H
22.00
23.95
3H
29.33
31.93
:
:
:
FDH
1862.6
2027.3
FEH
1970.0
2035.3
FFH
1877.3
2043.4
Note 47. Sampling frequency is 8kHz, 16kHz, 32kHz, 48kHz, 64kHz or 96kHz
Note 48. Sampling frequency is 11.025kHz, 22.05kHz, 44.1kHz or 88.2kHz
Table 49. Beep Output OFF-time (BICK referenced PLL Slave Mode, EXT Master/Slave Mode)
BPTM6-0 bits
Repeat Count
0H
1
1H
2
2H
3
:
:
7DH
126
7EH
127
7FH
128
Table 50. Beep Output Repeat Count
(default)
BPLVL4-0 bits Beep Output Level
STEP
0H
0dB
(default)
1H
−3dB
2H
−6dB
:
:
3dB
12H
−54dB
13H
−57dB
14H
−60dB
Note 49. Beep output amplitude in 0dB setting is 1.5Vpp from the headphone amplifier, and 2.8Vpp @8Ω (SPKG1-0
bits = “00”) from the speaker amplifier.
Table 51. Beep Output Level
MS1252-E-00
- 53 -
2010/10