PIC16F83-04/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F83-04/SO

18-pin Flash/EEPROM 8-Bit Microcontrollers

Microchip Technology 

PIC16F8X

FIGURE 8-12: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): FAST VDD RISE TIME

VDD

MCLR

INTERNAL POR

PWRT TIME-OUT

OST TIME-OUT

INTERNAL RESET

TPWRT

TOST

FIGURE 8-13: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): SLOW VDD RISE TIME

V1

VDD

MCLR

INTERNAL POR

PWRT TIME-OUT

OST TIME-OUT

TPWRT

TOST

INTERNAL RESET

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.

© 1998 Microchip Technology Inc.

DS30430C-page 45

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