PIC16C773 Microchip Technology, PIC16C773 Datasheet - Page 163

• Manufacturer Part Number: PIC16C773
• Description: 28/40-Pin/ 8-Bit CMOS Microcontrollers w/ 12-Bit A/D
• Manufacturer: Microchip Technology

FIGURE 15-6: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
FIGURE 15-7: BROWN-OUT RESET TIMING
TABLE 15-7
Parameter
1999 Microchip Technology Inc.
*
†
Watchdog
V
No.
I/O Pins
DD
30*
31*
32*
33*
34*
35*
Time-out
Time-out
Internal
Internal
RESET
RESET
MCLR
PWRT
Timer
POR
OSC
Note: Refer to
V
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.
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
Figure 15-3
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 Watchdog Timer Reset
Brown-out Reset pulse width
33
for load conditions.
32
Advance Information
BV
DD
Min
100
100
28
—
—
7
34
1024T
Typ†
30
18
72
—
—
—
OSC
35
Max
132
100
33
—
—
—
Units
ms
ms
31
ns
ns
—
s
PIC16C77X
V
V
T
V
V
OSC
DD
DD
DD
DD
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= OSC1 period
V
BOR
DS30275A-page 163
Conditions
34
(D005)