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參數(shù)資料
| 型號(hào)： | AK4120 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Sample Rate Converter with Mixer and Volume |
| 中文描述： | 采樣率轉(zhuǎn)換器與調(diào)音臺(tái)和卷 |
| 文件頁數(shù)： | 24/30頁 |
| 文件大小： | 259K |
| 代理商： | AK4120 |
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ASAHI KASEI
[AK4120]
MS0134-E-00
2002/1
- 24 -
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System Reset
The AK4120 is reset by bringing the power down pin “PDN” =“L”. The digital filters are also reset when this occurs.
The AK4120 should be reset once by bringing PDN =“L” upon power-up. After a reset, the required clocks shown in
Table 2 must be input.
The SRC block starts 2*LRCK1 or 2*LRCK2 after a reset. The SRC block starts outputting data 2053*ORCK after a
reset occurs. Before 2053*ORCK, the SRC block outputs “L”.
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Zero cross detection function of Volume
When ZELM=“0”, the Zero Cross detection function is enabled. Then, if a Volume value is written to the register, the
volume will not change until a Zero crossing is detected or this process times out. The ZTM1-0 bits in 01H set this
timeout. When ZELM=“1”, Volume changes soon after volume value is written.
(3) Zero crossing timeout(ZTM1-0)
(1)
(2)
Figure 20. Zero crossing process
(1) At this point, volume value is written in register.
(2) This is a zero crossing point. At this point, volume is changed.
(3) This is time of Zero crossing timeout that is set by ZTM1-0.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4121A | Asynchronous Sample Rate Converter |
| AK4121AVF | Asynchronous Sample Rate Converter |
| AK4121 | ASYNCHRONOUS SAMPLE RATE CONVERTER |
| AK4125VF | 192kHz / 24Bit High Performance Asynchronous SRC |
| AK4126VQ | 6ch 192kHz / 24-Bit Asynchronous SRC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4120VF | 制造商:AKM 制造商全稱:AKM 功能描述:Sample Rate Converter with Mixer and Volume |
| AK4120VFP-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4121 | 制造商:AKM 制造商全稱:AKM 功能描述:ASYNCHRONOUS SAMPLE RATE CONVERTER |
| AK4121A | 制造商:AKM 制造商全稱:AKM 功能描述:Asynchronous Sample Rate Converter |
| AK4121A_10 | 制造商:AKM 制造商全稱:AKM 功能描述:Asynchronous Sample Rate Converter |
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