PIC18FXX8 Datasheet, PDF (31/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

FIGURE 3-6:
SLOW RISE TIME (MCLR TIED TO VDD)
5V
VDD
0V
1V
MCLR
INTERNAL POR
TPWRT
PWRT TIME-OUT
TOST
OST TIME-OUT
INTERNAL RESET
PIC18FXX8
FIGURE 3-7:
TIME-OUT SEQUENCE ON POR W/PLL ENABLED (MCLR TIED TO VDD)
VDD
MCLR
IINTERNAL 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.
 2004 Microchip Technology Inc.
DS41159D-page 29