Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller SOIC 28 8-Bit 40 MHz I/O number 25

PIC18F2220/2320/4220/4320

DS39599G-page 50 © 2007 Microchip Technology Inc.

FIGURE 4-3: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD, VDD RISE < TPWRT)

FIGURE 4-4: TIME-OUT SEQUENCE ON POWER-UP (MCLR

NOT TIED TO VDD): CASE 1

FIGURE 4-5: TIME-OUT SEQUENCE ON POWER-UP (MCLR

NOT TIED TO VDD): CASE 2

TPWRT

TOST

VDD

MCLR

Internal POR

PWRT Time-out

OST Time-out

Internal Reset

TPWRT

TOST

VDD

MCLR

Internal POR

PWRT Time-out

OST Time-out

Internal Reset

VDD

MCLR

Internal POR

PWRT Time-out

OST Time-out

Internal Reset

TPWRT

TOST