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參數(shù)資料
| 型號： | CS1301 |
| 文件頁數(shù)： | 18/25頁 |
| 文件大小： | 542K |
| 代理商： | CS1301 |
www.national.com
18
Revision 2.2
G
Signal Definitions
(Continued)
2.2.6
Audio In Interface Signals
Signal Name
Ball
No.
Type
Description
AI_OSCLK
B15
O
Over-Sampling Clock.
This output can be programmed to emit any fre-
quency up to 40 MHz with a sub-Hertz resolution. It is intended for use
as the 256f
s
or 384f
s
over-sampling clock by external A/D subsystem. A
board level 27 to 33
series resistor is recommended to reduce ringing.
AI_SCK
A16
I/O
Serial Clock.
When the AI module is programmed as a serial-interface
timing slave (power-up default), AI_SCK is an input. AI_SCK receives
the serial bit clock from the external A/D subsystem. This clock is treated
as fully asynchronous to the CS1301/CS1311 main clock.
When the AI module is programmed as the serial-interface timing mas-
ter, AI_SCK is an output. AI_SCK drives the serial clock for the external
A/D subsystem. The frequency is a programmable integral divisor of the
AI_OSCLK frequency.
AI_SCK is limited to 22 MHz. The sample rate of valid samples embed-
ded within the serial stream is variable. If used as an output, a board
level 27 to 33
series resistor is recommended to reduce ringing.
AI_SD
C15
I
Serial Data
. Serial data from external A/D subsystem. Data on this pin is
sampled on positive or negative edges of AI_SCK as determined by the
CLOCK_EDGE bit in the AI_SERIAL register.
AI_WS
B16
I/O
Word-Select.
AI_WS is the word-select or frame-synchronization signal
from/to the external A/D subsystem.
When the AI module is programmed as the serial-interface timing slave
(power-up default), AI_WS acts as an input. AI_WS is sampled on the
same edge as selected for AI_SD.
When the AI module is programmed as the serial-interface timing mas-
ter, AI_WS acts as an output. It is asserted on the opposite edge of the
AI_SD sampling edge.
Note:
The AI module always acts as receiver, but can be master or slave for A/D timing.
Video In and Audio In are supported by third party software solutions, not by the National solution.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| CS1301-9ER | 制造商:Power-One 功能描述:DCDC - Bulk |
| CS1301-9ERB1 | 功能描述:DC/DC CONVERTER 12V 8A 制造商:bel power solutions 系列:Melcher S 包裝:散裝 零件狀態(tài):有效 類型:隔離 電壓 - 輸入:28 ~ 140 V 輸出:12V 輸出數(shù):1 不同電流時的輸出（最大值） - 1:12 VDC @ 8A 不同電流時的輸出（最大值） - 2:- 不同電流時的輸出（最大值） - 3:- 不同電流時的輸出（最大值） - 4:- 功率（W）:96W 應(yīng)用:ITE（商業(yè)），鐵路 安裝類型:底座安裝 工作溫度:-40°C ~ 71°C 效率:83% 封裝/外殼:- 大小/尺寸:6.73" 長 x 4.37" 寬 x 1.86" 高（171.0mm x 111.0mm x 47.2mm） 功率（W） - 最大值:96W 認可:cCSAus，CE，TUV 標準包裝:1 |
| CS13035 | 制造商:UNBRANDED 功能描述:HEADSET + MIC FOLDABLE |
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