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參數(shù)資料
| 型號： | ASM3P2185B |
| 廠商： | Alliance Semiconductor Corporation |
| 英文描述： | EMI Reduction IC |
| 中文描述： | 電磁干擾降低集成電路 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 174K |
| 代理商： | ASM3P2185B |
September 2003
rev 1.0
Pin Configuration
Pin Description
Pin#
Pin Name
ASM3P2185B
EMI Reduction IC
2 of 7
Notice: The information in this document is subject to change without notice.
1
2
3
4
5
6
7
8
ASM3P2185B
XIN
XOUT
GND
SS%
ModOUT
VDD
NC
NC
Type
Description
1
XIN
I
Crystal connection or external reference frequency input. This pin has dual
functions. It can be connected to either an external crystal or an external
reference clock.
Crystal connection. Input connection for an external crystal. If using an
external reference, this pin must be left unconnected.
Ground to entire chip.
Spread range select. Digital logic input used to select frequency deviation
(Refer
Spread Deviation Table
). This pin has an internal pull-up resistor.
Spread spectrum low EMI output.
2
XOUT
I
3
GND
P
4
SS%
I
5
ModOUT
O
6
VDD
P
Power supply for the entire chip (3.3V).
7
NC
No Connect.
8
NC
No Connect.
Spread Deviation Selection Table
SS% (pin 4)
Spread Deviation (%)
0
- 1.25
1
± 0.8%
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