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參數(shù)資料
| 型號： | AK4115 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | High Feature 192kHz 24bit Digital Audio Interface Transceiver |
| 中文描述： | 高功能192kHz的24位數(shù)字音頻接口收發(fā)器 |
| 文件頁數(shù)： | 26/64頁 |
| 文件大?。?/td> | 606K |
| 代理商： | AK4115 |
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ASAHI KASEI
[AK4115]
MS0573-E-00
2006/12
- 26 -
Sampling Frequency and Pre-emphasis Detection
The AK4115 has two methods for detecting the sampling frequency:
1. Clock comparison between the recovered clock and X’tal oscillator
2. Sampling frequency information from channel status
The method is selected by the XTL1,0 pins. When XTL1, 0 = “1,1”, the sampling frequency is detected by the channel
status sampling frequency information. The detected frequency is available on the FS3-0 bits.
X’tal Frequency
XTL1
XTL0
X’tal #1
0
0
11.2896MHz
0
1
12.288MHz
1
0
24.576MHz
1
1
(Use channel status)
Table 13. Reference X’tal frequency
Except XTL1, 0 = “1,1”
fs
(Note 37)
X’tal #2
12.288MHz
11.2896MHz
22.5792MHz
(Use channel status)
Default
XTL1, 0 = “1, 1”
Register output
Consumer
mode
(Note 38)
Byte3
Bit3,2,1,0
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 0
1 1 1 0
Professional mode
(Note 39)
FS3
FS2
FS1
FS0
Clock comparison
Byte0
Bit7,6
0 1
Byte4
Bit6,5,4,3
0 0 0 0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
1
1
0
0
0
1
1
0
0
1
1
0
1
1
0
1
0
1
0
1
0
1
0
0
1
0
0
0
0
44.1kHz
Reserved
48kHz
32kHz
22.05kHz
24kHz
64kHz
88.2kHz
96kHz
176.4kHz
192kHz
44.1kHz
±
3%
-
48kHz
±
3%
32kHz
±
3%
22.05kHz
±
3%
24kHz
±
3%
64kHz
±
3%
88.2kHz
±
3%
96kHz
±
3%
176.4kHz
±
3%
192kHz
±
3%
(Others)
1 0
1 1
0 0
0 0
0 0 0 0
0 0 0 0
1 0 0 1
0 0 0 1
0 0
0 0
0 0
0 0
1 0 1 0
0 0 1 0
1 0 1 1
0 0 1 1
Note 37: At least
±
3% range is identified as the value in the Table 14. In case of intermediate frequency of those
two, FS3-0 bits indicate no value. When the frequency is
≥
3% over 192kHz or
≤
3% under 22kHz,
FS3-0 bits may indicate “0001”, “0101”, “0111” or “1001”.
Note 38: In consumer mode, Byte3 Bit3-0 are copied to FS3-0 bits.
Note 39. In professional mode, FS3-0 bit indicates “0001” except for frequency shown by Table 14.
Table 14. fs Information
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AK4115VQ | 制造商:AKM 制造商全稱:AKM 功能描述:High Feature 192kHz 24bit Digital Audio Interface Transceiver |
| AK4115VQP | 功能描述:IC AUDIO DECODER 24BIT 64LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| AK4116 | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz digital audio receiver |
| AK4116_05 | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power 48kHz Digital Audio Receiver |
| AK4116384D | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory |
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