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參數(shù)資料
| 型號： | AK4536 |
| 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)： | 56/59頁 |
| 文件大小： | 403K |
| 代理商： | AK4536 |
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ASAHI KASEI
[AK4536]
MS0174-E-00
2002/09
- 56 -
n
Stop of Clock
Master clock can be stopped when ADC, DAC, ALC1 and ALC2 don’t operate.
1. When X’tal is used in PLL & Master mode.
MCKPD bit
(Addr:01H, D2)
PMXTL bit
(Addr:01H, D1)
PMPLL bit
(Addr:01H, D0)
(1)
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
Sampling Frequency:8kHz
(1) Addr:01H, Data:0CH
Figure 40. Stop of Clock Sequence (1)
<Example>
(1) Power down X’tal and PLL: PMXTL bit = PMPLL bit = “1”
→
“0”
Pull down the XTI pin: MCKPD bit = “0”
→
“1”
2. When an external clock is used in PLL & Master mode
MCKPD bit
(Addr:01H, D7)
External MCKI
PMPLL bit
(Addr:01H, D5)
PMXTL bit
(Addr:01H, D1)
Input
(3)
(1)
(2)
(2)
"H" or "L"
Example:
Audio I/F Format: DSP Mode, BCKP = MSBS = “0”
BICK frequency at Master Mode : 64fs
MCKI pin: CMOS Level
Input Master Clock Select at PLL Mode : 11.2896MHz
Sampling Frequency:8kHz
(2) Stop an external MCKI
(1) (2)Addr:01H, Data:0CH
Figure 41. Stop of Clock Sequence (2)
<Example>
(1) Power down PLL: PMPLL bit = “1”
→
“0”
(2) Pull down the MCKI pin: MCKPD bit = “0”
→
“1”
Power down X’tal: PMXTL bit = “1”
→
“0”
When the external master clock becomes Hi-Z or the external master clock is input by AC couple, MCKI pin
should be pulled down. When the external master clock is input by AC couple, X’tal should be
powered-down.
(3) Stop an external master clock
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4536VN | 16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| AK4537 | 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP |
| AK4537VN | 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP |
| AK4538 | 16Bit DS CODEC with MIC/HP/SPK-AMP |
| AK4538VN | 16Bit DS CODEC with MIC/HP/SPK-AMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4536VN | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| AK4537 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP |
| AK4537VN | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP |
| AK4537VNP-L | 制造商:AKM Semiconductor Inc 功能描述:AK4537VNP-L |
| AK4538 | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP |
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