參數(shù)資料
型號: AK4671EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/RCV/HP-AMP
中文描述: 立體聲編解碼器麥克風/垃圾車/惠普腺苷
文件頁數(shù): 121/164頁
文件大小: 1792K
代理商: AK4671EG
[AK4671]
MS0666-E-00
2007/10
- 121 -
Addr
01H
Register Name
PLL Mode Select 0
R/W
Default
D7
FS3
R/W
1
D6
FS2
R/W
1
D5
FS1
R/W
1
D4
FS0
R/W
1
D3
PLL3
R/W
0
D2
PLL2
R/W
1
D1
PLL1
R/W
1
D0
PLL0
R/W
0
PLL3-0: PLL Reference Clock Select (
Table 4
)
Default: “0110”(MCKI pin, 12MHz)
FS3-0: Sampling Frequency Select (
Table 5
and
Table 6
) and MCKI Frequency Select (
Table 11
)
FS3-0 bits select sampling frequency at PLL mode and MCKI frequency at EXT mode.
Addr
Register Name
D7
D6
02H
PLL Mode Select 1
BTCLK
LP
R/W
R/W
R/W
Default
0
0
PMPLL: PLL Power Management
0: EXT Mode and Power Down (default)
1: PLL Mode and Power up
M/S: Master / Slave Mode Select
0: Slave Mode (default)
1: Master Mode
MCKO: Master Clock Output Enable
0: Disable: MCKO pin = “L” (default)
1: Enable: Output frequency is selected by PS1-0 bits.
PS1-0: MCKO Output Frequency Select (
Table 9
)
default: “00”(256fs)
BCKO: BICK Output Frequency Select at Master Mode (
Table 10
)
LP: Low Power Mode
0: Normal Mode (default)
1: Low Power Mode: available at fs=22.05kHz or less.
BTCLK: Clock Mode of Audio CODEC
0: Synchronized to Audio I/F (default)
1: Synchronized to PCM I/F
BTCLK bit is enabled at only PMPLL bit = “0”. When BTCLK bit is “1”, Audio CODEC and the digital block
(shown in
Figure 57
) operate by the clock generated by PLLBT.
D5
D4
PS1
R/W
0
D3
PS0
R/W
0
D2
D1
M/S
R/W
0
D0
BCKO
R/W
0
MCKO
R/W
0
PMPLL
R/W
0
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