Microchip Technology ARD00385 Data Sheet
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
POWER-UP TIMER TIMING
FIGURE 31-7:
BROWN-OUT RESET TIMING
V
DD
MCLR
Internal
POR
PWRT
Time-out
Oscillator
Time-out
Internal
Reset
Watchdog
Timer
Reset
33
32
30
31
34
I/O Pins
34
Note:
for load conditions.
V
DD
BV
DD
35
V
BGAP
= 1.2V
V
IRVST
Enable Internal
Internal Reference
36
Reference Voltage
Voltage Stable