Datasheet
PIC16C62B/72A
DS35008C-page 92 Preliminary 1998-2013 Microchip Technology Inc.
FIGURE 13-7: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
FIGURE 13-8: BROWN-OUT RESET TIMING
TABLE 13-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
AND BROWN-OUT RESET REQUIREMENTS
Param
No.
Sym Characteristic Min Typ† Max Units Conditions
30
TmcL MCLR Pulse Width (low) 2 — — sVDD = 5V, -40°C to +125°C
31*
Twdt Watchdog Timer Time-out Period
(No Prescaler)
71833msVDD = 5V, -40°C to +125°C
32
Tost Oscillator Start-up Timer Period — 1024
T
OSC
——TOSC = OSC1 period
33*
Tpwrt Power-up Timer Period 28 72 132 ms VDD = 5V, -40°C to +125°C
34
TIOZ I/O Hi-impedance from MCLR
Low or WDT reset
——2.1s
35
TBOR Brown-out Reset Pulse Width 100 — — sVDD BVDD (D005)
* 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.
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Time-out
Internal
RESET
Watchdog
Timer
RESET
33
32
30
31
34
I/O Pins
34
Note: Refer to Figure 13-4 for load conditions.
VDD
BVDD
35