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參數(shù)資料
| 型號： | AK4632VN |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP |
| 中文描述： | 16位ツヒALC的單聲道編解碼器 |
| 文件頁數(shù)： | 68/70頁 |
| 文件大?。?/td> | 639K |
| 代理商： | AK4632VN |
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ASAHI KASEI
[AK4632]
MS0396-E-00
2005/06
- 68 -
3. When an external clock (MCKI pin) is used in PLL Slave Mode.
External MCKI
PMPLL bit
(Addr:01H, D0)
Input
(1)
(2)
MCKO bit
(Addr:01H, D1)
(1)
MCKPD bit
(Addr:01H, D2)
(1)
Example
Audio I/F Format : DSP Mode, BCKP = MSBS = “0”
PLL Reference clock: MCKI
BICK frequency: 64fs
Sampling Frequency: 8kHz
(1) Addr:01H, Data:04H
(2) Stop the external clocks
Figure 58. Clock Stopping Sequence (3)
<Example>
(1) Power down PLL: PMPLL bit =
“
1
”
→
“
0
”
Stop MCKO output: MCKO bit =
“
1
”
→
“
0
”
Pull down the MCKI pin: MCKPD bit =
“
0
”
→
“
1
”
When the external master clock becomes Hi-Z, MCKI pin should be pulled down.
(2) Stop the external master clock.
4. EXT Slave Mode
MCKPD bit
(Addr:01H, D2)
External FCK
Input
(2)
(1)
External BICK
Input
(2)
External MCKI
Input
(2)
Example
Audio I/F Format :MSB justified(ADC and DAC)
Input MCKI frequency:1024fs
Sampling Frequency:8kHz
(2) Stop the external clocks
(1) Addr:01H, Data:04H
Figure 59. Clock Stopping Sequence (4)
<Example>
(1) Pull down the MCKI pin: MCKPD bit =
“
0
”
→
“
1
”
When the external master clock becomes Hi-Z, MCKI pin should be pulled down.
(2) Stop the external MCKI, BICK and FCK clocks.
Power down
If the clocks are supplied, power down VCOM (PMVCM bit:
“
1
”
→
“
0
”
) after all blocks except for VCOM are
powered-down and a master clock stops. The AK4632 is also powered-down by PDN pin =
“
L
”
. When PDN pin =
“
L
”
,
the registers are initialized.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4633VN | 16bit mono CODEC with MIC/SPK amplifier. |
| AK4633 | 16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| AK4640 | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4640VG | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4640VN | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4633 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| 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 |
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