Datasheet
2011 Microchip Technology Inc. DS39960D-page 509
PIC18F87K22 FAMILY
FIGURE 31-9: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
FIGURE 31-10: BROWN-OUT RESET TIMING
VDD
MCLR
Internal
POR
PWRT
Time-out
Oscillator
Time-out
Internal
Reset
Watchdog
Timer
Reset
33
32
30
31
34
I/O Pins
34
Note: Refer to Figure 31-3 for load conditions.
VDD
BVDD
35
VBGAP = 1.2V
V
IRVST
Enable Internal
Internal Reference
36
Reference Voltage
Voltage Stable