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PIC16F57-I/SO 参数 Datasheet PDF下载

PIC16F57-I/SO图片预览
型号: PIC16F57-I/SO
PDF下载: 下载PDF文件 查看货源
内容描述: 基于闪存的8位CMOS微控制器系列 [Flash-Based, 8-Bit CMOS Microcontroller Series]
分类和应用: 闪存微控制器
文件页数/大小: 88 页 / 1373 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC16F5X  
FIGURE 5-3:  
TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO VDD)  
VDD  
MCLR  
Internal POR  
TDRT  
DRT Time-out  
Internal Reset  
FIGURE 5-4:  
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): FAST VDD RISE TIME  
VDD  
MCLR  
Internal POR  
TDRT  
DRT Time-out  
Internal Reset  
FIGURE 5-5:  
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): SLOW VDD RISE TIME  
V1  
VDD  
MCLR  
Internal POR  
TDRT  
DRT Time-out  
Internal Reset  
Note  
:
When VDD rises slowly, the TDRT time-out expires long before VDD has reached its final value. In this example, the  
chip will reset properly if, and only if, V1 VDD min.  
DS41213D-page 26  
© 2007 Microchip Technology Inc.