PIC18F44K22T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F44K22T-I/SO

28/40/44-Pin, Low-Power,High-Performance Microcontrollers with XLP Technology

Microchip Technology 

PIC18(L)F2X/4XK22

TABLE 4-2: TIME-OUT IN VARIOUS SITUATIONS

Oscillator

Configuration

Power-up(2) and Brown-out

PWRTEN = 0

PWRTEN = 1

HSPLL

HS, XT, LP

EC, ECIO

RC, RCIO

INTIO1, INTIO2

66 ms(1) + 1024 TOSC + 2

ms(2)

66 ms(1) + 1024 TOSC

66 ms(1)

66 ms(1)

66 ms(1)

1024 TOSC + 2 ms(2)

1024 TOSC

—

—

—

Note 1: 66 ms (65.5 ms) is the nominal Power-up Timer (PWRT) delay.

2: 2 ms is the nominal time required for the PLL to lock.

Exit from

Power-Managed Mode

1024 TOSC + 2 ms(2)

1024 TOSC

—

—

—

FIGURE 4-3:

TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD, VDD RISE < TPWRT)

VDD

MCLR

INTERNAL POR

PWRT TIME-OUT

OST TIME-OUT

INTERNAL RESET

TPWRT

TOST

FIGURE 4-4:

TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO VDD): CASE 1

VDD

MCLR

INTERNAL POR

PWRT TIME-OUT

OST TIME-OUT

INTERNAL RESET

TPWRT

TOST

DS41412A-page 64

Preliminary

 2010 Microchip Technology Inc.

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