参数资料
型号: M38004E8SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP64
封装: 0.750 INCH, 1.78 MM PITCH, WINDOWED, CERAMIC, SDIP-64
文件页数: 6/174页
文件大小: 1752K
代理商: M38004E8SS
APPLICATION
2-54
2.5 Reset
3800 GROUP USER’S MANUAL
2.5 Reset
2.5.1 Connection example of reset IC
Figure 2.5.2 shows the system example which switch to the RAM backup mode by detecting a drop of the
system power source voltage with the INT interrupt.
Fig. 2.5.1 Example of Poweron reset circuit
Fig. 2.5.2 RAM back-up system
System power
source voltage
+5
M62009L, M62009P, M62009FP
7
5
4
91
35
3
6
2
1
VCC1
RESET
INT
GND Cd
V1
VCC2
3800 group
VCC
INT
RESET
+
40
VSS
M62022L
3800 group
RESET
1
5
3
91
35
40
0.1
F
Power source
GND
Delay capacity
4
Output
VSS
VCC
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