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參數(shù)資料
| 型號： | AK4632 |
| 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)： | 59/70頁 |
| 文件大小： | 639K |
| 代理商： | AK4632 |
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ASAHI KASEI
[AK4632]
MS0396-E-00
2005/06
- 59 -
3. When the external clock (MCKI pin) is used in PLL Slave Mode.
MCKPD bit
(Addr:01H, D2)
BICK pin
FCK pin
MCKO bit
(Addr:01H, D1)
PMPLL bit
(Addr:01H, D0)
(1)
(4)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
(2)
(3)
MCKI pin
(6)
(5)
Input
MCKO pin
Output
(7)
(8)
40msec(max)
(9)
Input
Example:
Audio I/F Format: DSP Mode, BCKP = MSBS = “0”
BICK frequency at Master Mode: 64fs
Input Master Clock Select at PLL Mode: 11.2896MHz
MCKO : Enable
Sampling Frequency:8kHz
(1) Power Supply & PDN pin = “L”
“H”
(3)Addr:00H, Data:40H
(2)Addr:01H, Data:04H
Addr:04H, Data:48H
Addr:05H, Data:00H
(4)Addr:01H, Data:03H
MCKO output start
BICK and FCK input start
Figure 48. Clock Set Up Sequence (3)
<Example>
(1) After Power Up: PDN pin
“
L
”
→
“
H
”
“
L
”
time (1) of 150ns or more is needed to reset the AK4632.
(2) DIF1-0, PLL3-0, FS3-0, BCKO1-0, MSBS, BCKP and M/S bits should be set during this period.
(3) Power Up VCOM: PMVCM bit =
“
0
”
→
“
1
”
VCOM should first be powered up before the other block operates.
(4) Release the pull-down resistor of the MCKI pin: MCKPD bit =
“
1
”
→
“
0
”
(5) Enable MCKO output: MCKO bit =
“
1
”
(6) PLL starts after the PMPLL bit changes from
“
0
”
to
“
1
”
and PLL reference clock (MCKI pin) is supplied. PLL
lock time is 40ms(max).
(7) The normal clock is output from MCKO after PLL is locked.
(8) The invalid frequency is output from MCKO during this period.
(9) BICK and FCK clocks should be synchronized with MCKO clock.
相關(guān)PDF資料 |
PDF描述 |
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| AK4632VN | 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4632VN | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP |
| 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 |
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