PIC18LF2220-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF2220-I/SO

28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2220/2320/4220/4320

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 PWRT timer.

 2003 Microchip Technology Inc.

DS39599C-page 51

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