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AK4645EN Datasheet, PDF (25/96 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP | |||
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ASAHI KASEI
[AK4645]
 PLLÏÊÏ
(AIN3 bit = â0â, PMPLL bit = â1â)
PMPLL bit = â1âÍ·à£Éºà²ºà¬Í·ß´à©à±ÎÏϩάPLL͸FS3-0 bits, PLL3-0 bitsͰબàÍ Í¨Î«Ï©Î¿Î«Í´Ô Í¡Í¯à²à¡Í
Î͢ɻPLLͷϩοΫà£Ø͸ɺిݯ౤à³ÞɺPMPLL bit Î â0â à â1âʹมßÍ ÉºÒà°Í ͨΫϩοΫÍà³à¾ÍÎͨ
à§ß¹ÉºÎͨ͸αϯÏϦϯάप೾਺ÍมßÍÎͨà§ß¹ÉºTable 5ͷ௨ÎͰ͢ɻAIN3 bit = â1âͷͱÍPLL͸à¢à¼»Í°
ÍÎͤÎÉ»
1) PLL ModeÍ·àªà°
Mode PLL3 PLL2
bit bit
0
0
0
1
0
0
2
0
0
3
0
0
4
0
1
5
0
1
6
0
1
7
0
1
8
1
0
12
1
1
13
1
1
14
1
1
15
1
1
Others
Others
PLL1 PLL0
bit bit
PLLج४Ϋϩ
οΫà³à¾Ïϯ
à³à¾à¤ªà³¾à¨º
VCOC pinÍ·
R,C
R[â¦] C[F]
0
0
LRCK pin
1fs
6.8k 220n
0
1
N/A
-
-
-
1
0
BICK pin
32fs
10k 4.7n
10k 10n
1
1
BICK pin
64fs
10k 4.7n
10k 10n
0
0
MCKI pin 11.2896MHz 10k 4.7n
0
1
MCKI pin
12.288MHz 10k 4.7n
1
0
MCKI pin
12MHz
10k 4.7n
1
1
MCKI pin
24MHz
10k 4.7n
0
0
MCKI pin
19.2MHz 10k 4.7n
0
0
MCKI pin
13.5MHz 10k 10n
0
1
MCKI pin
27MHz
10k 10n
1
0
MCKI pin
13MHz
10k 220n
1
1
MCKI pin
26MHz
10k 220n
N/A
Table 5. Setting of PLL Mode (*fs: Sampling Frequency)
PLLϩοΫ
à£Ø
(max)
160ms
-
2ms
4ms
2ms
4ms
40ms
40ms
40ms
40ms
40ms
40ms
40ms
60ms
60ms
Default
2) PLL ModeͷαϯÏϦϯάप೾਺àªà°
ج४ΫϩοΫÍMCKIà³à¾Í·à§ß¹Í¸ÉºTable 6Í·àªà°Í´ÎÎαϯÏϦϯάप೾਺ÍબàÍ°ÍÎ͢ɻ
Mode
FS3 bit
FS2 bit
FS1 bit
FS0 bit Sampling Frequency
0
0
0
0
0
8kHz
Default
1
0
0
0
1
12kHz
2
0
0
1
0
3
0
0
1
1
4
0
1
0
0
16kHz
24kHz
7.35kHz
5
0
1
0
1
11.025kHz
6
0
1
1
0
14.7kHz
7
0
1
1
1
22.05kHz
10
1
0
1
0
32kHz
11
1
0
1
1
14
1
1
1
0
48kHz
29.4kHz
15
1
1
1
1
44.1kHz
Others
Others
N/A
Table 6. Setting of Sampling Frequency at PMPLL bit = â1â (Reference Clock = MCKI pin)
MS0543-J-00
- 25 -
2006/09
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