參數(shù)資料
型號: AK4631
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
中文描述: 16位單聲道編解碼器ALC的
文件頁數(shù): 22/69頁
文件大?。?/td> 568K
代理商: AK4631
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 22 -
I/F
4
See Table 1 and Table 2
Mode
PLL Master Mode
PLL Slave Mode 1
(PLL Reference Clock: MCKI pin)
PLL Slave Mode 2
(PLL Reference Clock: FCK or BICK pin)
EXT Slave Mode
Don’t Care (Note 29)
PMPLL bit
1
M/S bit
1
PLL3-0 bit
See Table 4
MCKPD bit
0
Figure
Figure 18
1
0
See Table 4
0
Figure 19
1
0
See Table 4
1
Figure 20
0
0
0
1
X
X
0
X
Figure 21
-
Table 1. Clock Mode Setting (X: Don’t care)
Note 29.
MCKO, FCK, BICK
Mode
MCKO bit
MCKO pin
MCKI pin
BICK pin
FCK pin
0
“L” Output
PLL Master Mode
1
256fs Output
Master Clock
Input for PLL
(Note 30)
16fs/32fs/64fs
Output
1fs
Output
0
“L” Output
PLL Slave Mode 1
(PLL Reference Clock: MCKI pin)
1
256fs Output
Master Clock
Input for PLL
(Note 30)
16fs/32fs/64fs
Input
1fs
Input
PLL Slave Mode 2
(PLL Reference Clock: FCK or BICK pin)
0
“L” Output
GND
16fs/32fs/64fs
Input
1fs
Input
EXT Slave Mode
0
“L” Output
256fs/
512fs/
1024fs
Input
32fs
Input
1fs
Input
Note 30. 11.2896MHz/12MHz/12.288MHz/13.5MHz/24MHz/27MHz
Table 2. Clock pins state in Clock Mode
[MCKI
]
MCKPD bit = “0”
(typ)
MCKPD
bit = “1” (Default)
25k
MCKI
AK4631
25k
MCKPD bit ="0"
Figure 17. Pull-down resistor of MCKI pin
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