Datasheet

PIC18F87K90 FAMILY
DS39957D-page 528  2009-2011 Microchip Technology Inc.
FIGURE 31-6: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
FIGURE 31-7: 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