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參數(shù)資料
| 型號： | PS2000ACQ |
| 英文描述： | A Network Communication Controller Designed to Connect Any MCU Application System To A Gateway(單片網(wǎng)絡(luò)通信控制器,用于控制MCU和網(wǎng)絡(luò)服務(wù)器之間的信息交換) |
| 中文描述： | 通信控制器的網(wǎng)絡(luò)連接任何設(shè)計單片機應(yīng)用系統(tǒng)到一個網(wǎng)關(guān)（單片網(wǎng)絡(luò)通信控制器，用于控制微控制器和網(wǎng)絡(luò)服務(wù)器之間的信息交換） |
| 文件頁數(shù)： | 13/54頁 |
| 文件大小： | 594K |
| 代理商： | PS2000ACQ |
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PS2000A Datasheet
Doc. Number:
TECINHD001
Version 1.0
3/1/2002
P&S DataCom Corporation
9
7 Typical Circuits
7.1
Power Supply
To improve the anti-noise ability of the PS2000A, you should connect a Tantalum
capacitor of 0.1
μ
F at the power input terminal. The typical circuit is shown in Figure 5.
Figure 5 PS2000A Power Supply
The PS2000A may be powered from the power supply of the MCU application system or
from a separate power supply. The PS2000A should be connected to the common ground
of the MCU application system if the PS2000A uses a separate power supply.
7.2
Reset Signal
The reset signal of the PS2000A is active-high. It should be noted here that the PS2020A
and the PS2050A are active low Reset. The reset signal may be provided by the MCU
application system or produced by some other separate circuit. The high level of the reset
signal needs to stay active long enough (200ms Typ), so as to guarantee the power on
reset.
Users may implement the simple circuit (Figure 6) to produce the power on reset signal,
or use the special reset IC (e.g. IMP810L) if it is needed.
Figure 6 A Simple Power on Reset Circuit
PS2000A
V
CC
10
μ
F
0.1
μ
F
+
V
CC
PS2000A
RST
1
μ
F
+
V
CC
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