PIC18FXX20 Datasheet, PDF (40/366 Pages) Microchip Technology – 64/80-Pin High Performance 1 Mbit Enhanced FLASH Microcontrollers with A/D

PIC18FXX20
FIGURE 3-6:
SLOW RISE TIME (MCLR TIED TO VDD VIA 1 kΩ RESISTOR)
5V
VDD
0V
1V
MCLR
INTERNAL POR
TPWRT
PWRT TIME-OUT
TOST
OST TIME-OUT
INTERNAL RESET
FIGURE 3-7:
TIME-OUT SEQUENCE ON POR W/ PLL ENABLED
(MCLR TIED TO VDD VIA 1 kΩ RESISTOR)
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.
DS39609A-page 38
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