PIC18C658 MICROCHIP [Microchip Technology], PIC18C658 Datasheet - Page 325

• Manufacturer Part Number: PIC18C658
• Description: High-Performance Microcontrollers with CAN Module
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 25-7: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
FIGURE 25-8: BROWN-OUT RESET TIMING
TABLE 25-7:
Param.
30
31
32
33
34
35
36
Internal Reference Voltage stable
Enable Internal Reference Voltage
2000 Microchip Technology Inc.
Watchdog
No.
Time-out
Time-out
I/O Pins
Internal
Internal
PWRT
MCLR
Reset
Reset
Timer
POR
OSC
V
V
Note: Refer to Figure 25-4 for load conditions.
DD
V
IRVST
TmcL
T
T
T
T
T
T
Symbol
DD
OST
WDT
PWRT
IOZ
BOR
IVRST
TIMER TIMING
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
AND BROWN-OUT RESET REQUIREMENTS
MCLR Pulse Width (low)
Watchdog Timer Time-out Period
(No Prescaler)
Oscillation Start-up Timer Period
Power up Timer Period
I/O Hi-impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become stable
33
Characteristic
32
Advanced Information
36
BV
DD
1024T
Min
200
28
—
—
2
7
OSC
34
30
Typ
18
72
20
—
—
—
2
35
1024T
Max
132
33
50
—
—
—
OSC
31
Units
PIC18CXX8
ms
ms
—
s
s
s
s
T
V
D005)
OSC
DD
34
DS30475A-page 325
Conditions
= OSC1 period
B
VDD
V
BGAP
(See
= 1.2V