參數(shù)資料
型號(hào)： AK4633
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)： 32/82頁
文件大?。?/td> 688K
代理商： AK4633
ASAHI KASEI
[AK4633]
MS0447-E-03
2006/04
- 32 -
EXT Master Mode (PMPLL bit = “0”, M/S bit = “1”)
When PMPLL bit is
“
0
”
and M/S bit is
“
1
”
, the AK4633 becomes clock master mode(EXT Master Mode). Master clock is
input from MCKI pin, the internal PLL circuit is not operated. The clock required to operate is MCKI (256fs, 512fs or
1024fs). The input frequency of MCKI is selected by FS3-0 bits (Table 11). The output frequency of BICK is selected to
32fs or 64fs by setting BCKO1-0 bit (Table 14). FCK bit should be set to
“
0
”
.
Mode
FS3-2 bits
FS1 bit
FS0 bit
MCKI Input
Frequency
256fs
1024fs
512s
256fs
Sampling Frequency
Range
7.35kHz
≤
fs
≤
48kHz
7.35kHz < fs
≤
13kHz
7.35kHz < fs
≤
26kHz
7.35kHz < fs
≤
48kHz
0
1
2
3
Don’t care
Don’t care
Don’t care
Don’t care
Table 13. Setting MCKI Frequency at EXT Slave Mode (PMPLL bit =
“
0
”
, M/S bit =
“
1
”
)
0
0
1
1
0
1
0
1
Default
External Master Mode does not support Mode 0 (DSP Mode) of Audio Interface Format.
MCKI should always be present whenever the ADC or DAC or Programmable Filter is in operation (PMADC bit =
“
1
”
or
PMDAC bit =
“
1
” or
PMPFIL bit =
“
1
”
). If MCKI is not provided, the AK4633 may draw excess current and it is not
possible to operate properly because utilizes dynamic refreshed logic internally. If MCKI is not present, the ADC, DAC
and Programmable Filter should be in the power-down mode (PMADC bit =PMDAC bit = PMPFIL bit =
“
0
”
).
AK4633
DSP or
μ
P
MCKI
BICK
FCK
SDTO
SDTI
BCLK
FCK
SDTI
SDTO
MCKO
1fs
32fs, 64fs
MCLK
256fs, 512fs or 1024fs
Figure 22. EXT Master Mode
Mode
BCKO1
BCKO0
BICK Output
Frequency
N/A
32fs
64fs
N/A
0
1
2
3
0
0
1
1
0
1
0
1
Default
Table 14. BICK Output Frequency at EXT Master Mode
相關(guān)PDF資料
PDF描述
AK4640 16BIT CODEC WITH MIC /HP/SPK-AMPl
AK4640VG 16BIT CODEC WITH MIC /HP/SPK-AMPl
AK4640VN 16BIT CODEC WITH MIC /HP/SPK-AMPl
AK4642EN Stereo CODEC with MIC/HP/SPK-AMP
AK4643EN Stereo CODEC with MIC/HP/RCV/SPK-AMP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4633ENP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:LOW COST MONO CODEC WITH SPK A
AK4633VN 制造商:AKM 制造商全稱:AKM 功能描述:16bit mono CODEC with MIC/SPK amplifier.
AK4633VNP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:LOW COST MONO CODEC WITH SPK A
AK4634 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP
AK4635 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP
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