PIC16C65A Microchip Technology, PIC16C65A Datasheet - Page 255

• Manufacturer Part Number: PIC16C65A
• Description: 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

FIGURE 22-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
FIGURE 22-5: BROWN-OUT RESET TIMING
TABLE 22-4:
Parameter
1997 Microchip Technology Inc.
*
†
Watchdog
I/O Pins
Time-out
Time-out
No.
31*
33*
Internal
30
32
34
35
Internal
RESET
RESET
MCLR
PWRT
Timer
POR
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25˚C unless otherwise stated. These parameters are for design guidance only and are not
tested.
OSC
Note: Refer to Figure 22-1 for load conditions.
V
V
DD
DD
TmcL
Tpwrt
T
Sym
Twdt
Tost
T
BOR
IOZ
TIMER TIMING
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
AND BROWN-OUT RESET REQUIREMENTS
Characteristic
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 WDT reset
Brown-out Reset Pulse Width
33
Applicable Devices 61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
32
BV
Preliminary
DD
Min
100
—
28
—
2
7
34
1024 T
Typ†
30
18
72
—
—
—
OSC
35
Max
132
2.1
—
33
—
—
Units
31
ms
ms
—
s
s
s
V
V
T
V
V
PIC16C6X
OSC
DD
DD
DD
DD
= 5V, -40˚C to +125˚C
= 5V, -40˚C to +125˚C
= 5V, -40˚C to +125˚C
= OSC1 period
B
VDD
DS30234D-page 255
Conditions
34
(D005)