PIC18LF4550T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4550T-I/SO

28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC18F2455/2550/4455/4550

FIGURE 4-6:

SLOW RISE TIME (MCLR TIED TO VDD, VDD RISE > TPWRT)

5V

VDD

0V

1V

MCLR

INTERNAL POR

TPWRT

PWRT TIME-OUT

TOST

OST TIME-OUT

INTERNAL RESET

FIGURE 4-7:

TIME-OUT SEQUENCE ON POR w/PLL ENABLED (MCLR TIED TO VDD)

VDD

MCLR

INTERNAL POR

PWRT TIME-OUT

OST TIME-OUT

TPWRT

TOST

TPLL

PLL TIME-OUT

INTERNAL RESET

Note:

TOST = 1024 clock cycles.

TPLL ≈ 2 ms max. First three stages of the Power-up Timer.

© 2009 Microchip Technology Inc.

DS39632E-page 51

Share Link: