PIC16C923-04I/CL Microchip Technology, PIC16C923-04I/CL Datasheet - Page 150

• Manufacturer Part Number: PIC16C923-04I/CL
• Description: 8-Bit CMOS Microcontroller with LCD Driver
• Manufacturer: Microchip Technology

PIC16C9XX
FIGURE 17-5: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER
TABLE 17-6: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER
DS30444E - page 150
Parameter
*
†
Watchdog
No.
Time-out
I/O Pins
31*
33*
Time-out
30
32
34
Internal
Internal
RESET
RESET
MCLR
PWRT
Timer
POR
OSC
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
Refer to Figure 17-2 for load conditions.
REQUIREMENTS
Tpwrt
TmcL
Sym
Twdt
Tost
T
TIMING
IOZ
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
33
32
Min
28
—
—
2
7
34
1024T
Typ†
30
18
—
72
—
OSC
Max
132
2.1
33
—
—
Units
ms
ms
31
—
s
s
1997 Microchip Technology Inc.
V
T
V
OSC
DD
DD
= 5V, -40˚C to +85˚C
= 5V, -40˚C to +85˚C
= OSC1 period
Conditions
34