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PIC16F84A Datasheet(PDF) 27 Page - Microchip Technology

Part # PIC16F84A
Description  18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller
PDF  68 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F84A Datasheet(HTML) 27 Page - Microchip Technology

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PIC16F84A
© 1998 Microchip Technology Inc.
Preliminary
DS35007A-page 27
FIGURE 6-9:
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): FAST VDD RISE TIME
FIGURE 6-10: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): SLOW VDD RISE TIME
VDD
MCLR
INTERNAL POR
TPWRT
TOST
PWRT TIME-OUT
OST TIME-OUT
INTERNAL RESET
VDD
MCLR
V1
When VDD rises very slowly, it is possible that the TPWRT time-out and TOST time-out will expire before VDD
has reached its final value. In this example, the chip will reset properly if, and only if, V1
≥ VDD min.
INTERNAL POR
TPWRT
TOST
PWRT TIME-OUT
OST TIME-OUT
INTERNAL RESET



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