PIC18F87K90 Datasheet, PDF (524/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
FIGURE 31-6:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
VDD
MCLR
Internal
POR
PWRT
Time-out
Oscillator
Time-out
Internal
Reset
Watchdog
Timer
Reset
33
32
I/O Pins
Note: Refer to Figure 31-3 for load conditions.
FIGURE 31-7:
BROWN-OUT RESET TIMING
VDD
BVDD
VIRVST
Enable Internal
Reference Voltage
Internal Reference
Voltage Stable
36
30
34
35
31
34
VBGAP = 1.2V
DS39957B-page 524
Preliminary
 2010 Microchip Technology Inc.