PIC18F2682-I/PT MICROCHIP [Microchip Technology], PIC18F2682-I/PT Datasheet - Page 440

• Manufacturer Part Number: PIC18F2682-I/PT
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2682/2685/4682/4685
FIGURE 27-7:
FIGURE 27-8:
TABLE 27-10: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
DS39761B-page 438
30
31
32
33
34
35
36
37
38
39
Param.
No.
Reference Voltage
Internal Reference
Watchdog
Note:
Time-out
Time-out
Enable Internal
I/O pins
Internal
Internal
Voltage Stable
PWRT
MCLR
Reset
Reset
Timer
T
T
T
T
T
T
T
T
T
T
POR
OSC
V
OST
CSD
WDT
IOZ
IRVST
IOBST
MC
PWRT
BOR
LVD
Sym
DD
L
Refer to Figure 27-4 for load conditions.
V
IRVST
V
DD
MCLR Pulse Width (low)
Watchdog Timer Time-out Period (no
postscaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O High-Impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference Voltage to
become stable
High/Low-Voltage Detect Pulse Width
CPU Start-up Time
Time for INTOSC to stabilize
AND BROWN-OUT RESET REQUIREMENTS
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
BROWN-OUT RESET TIMING
33
Characteristic
32
36
Preliminary
BV
DD
1024 T
55.6
Min
200
200
3.4
—
—
—
—
2
OSC
34
4.00
65.5
Typ
20
10
30
—
—
—
—
2
1
35
1024 T
Max
4.6
75
50
—
—
—
—
—
—
OSC
31
Units
© 2007 Microchip Technology Inc.
ms
ms
μs
μs
μs
μs
μs
μs
μs
—
T
V
V
OSC
DD
DD
≤ B
≤ V
= OSC1 period
34
Conditions
VDD
LVD
V
BGAP
(see D005)
= 1.2V