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): 24/69頁
文件大?。?/td> 568K
代理商: AK4631
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 24 -
PLL2 bit = “0”
Table 6
(FCK or BICK
)
FS3, FS1-0 bit
Mode
0
1
2
3
6
7
Others
FS3 bit
0
0
0
0
1
1
FS2 bit
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
FS1 bit
0
0
1
1
1
1
FS0 bit
0
1
0
1
0
1
Sampling Frequency Range
7.35kHz
fs
8kHz
8kHz < fs
12kHz
12kHz < fs
16kHz
16kHz < fs
24kHz
24kHz < fs
32kHz
32kHz < fs
48kHz
N/A
Default
Others
Table 6. Setting of Sampling Frequency at PLL2 bit = “0” and PMPLL bit = “1”
(Note) FCK
PLL
1) PLL Master Mode (PMPLL bit = “1”, M/S bit = “1”)
PMPLL bit = “0”
“1”
MCKO
FCK
(PLL3-0 bits = “0000”)
7.35kHz
fs
26kHz
FCK, BICK,
PLL
BICK
“L”
MCKO bit = “1”
MCKO
“L”
MCKO
(See Table 7)
MCKO bit = “0”
PLL
BICK
FCK
“L”
1
FCK, BICK
1fs
MCKO pin
PLL State
MCKO bit = “0”
“L” Output
“L” Output
“L” Output
MCKO bit = “1”
BICK pin
FCK pin
PMPLL bit “0”
“1”
PLL Unlock
PLL Lock
“L” Output
See Table 9
“L” Output
1fs Output
256fs Output
Table 7. Clock Operation at PLL Master Mode (PMPLL bit = “1”, M/S bit = “1”)
2) PLL Slave Mode (PMPLL bit = “1”, M/S bit = “0”)
PMPLL bit = “0”
“1”
MCKO
PLL
MCKO
256fs
PLL
ADC
“0”
DAC
DAC
Addr=02H
DACA bit
DACM bit
MCKO pin
PLL State
MCKO bit = “0”
“L” Output
“L” Output
“L” Output
MCKO bit = “1”
PMPLL bit “0”
“1”
PLL Unlock
PLL Lock
Table 8. Clock Operation at PLL Slave Mode (PMPLL bit = “0”, M/S bit = “0”)
256fs Output
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