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PIC16C54-RC/P 参数 Datasheet PDF下载

PIC16C54-RC/P图片预览
型号: PIC16C54-RC/P
PDF下载: 下载PDF文件 查看货源
内容描述: EPROM /基于ROM的8位CMOS微控制器系列 [EPROM/ROM-Based 8-Bit CMOS Microcontroller Series]
分类和应用: 微控制器和处理器外围集成电路光电二极管PC可编程只读存储器电动程控只读存储器时钟
文件页数/大小: 217 页 / 1555 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC16C5X  
FIGURE 7-10: TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO VDD)  
VDD  
MCLR  
INTERNAL POR  
TDRT  
DRT TIME-OUT  
INTERNAL RESET  
FIGURE 7-11: 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 7-12: TIME-OUT SEQUENCE ON POWER-UP (MCLRTIED TO VDD): SLOW VDD RISETIME  
V1  
VDD  
MCLR  
INTERNAL POR  
TDRT  
DRT TIME-OUT  
INTERNAL RESET  
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  
DS30453B-page 38  
Preliminary  
1998 Microchip Technology Inc.  
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