Datasheet
1997-2013 Microchip Technology Inc. DS30234E-page 203
PIC16C6X
Applicable Devices 61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
FIGURE 18-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
FIGURE 18-5: BROWN-OUT RESET TIMING
TABLE 18-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
AND BROWN-OUT RESET REQUIREMENTS
Parameter
No.
Sym Characteristic Min Typ† Max Units Conditions
30 TmcL MCLR
Pulse Width (low) 2 — —
s VDD = 5V, -40°C to +125°C
31* Twdt Watchdog Timer Time-out Period
(No Prescaler)
71833ms
VDD = 5V, -40°C to +125°C
32 Tost Oscillation Start-up Timer Period — 1024T
OSC ——
TOSC = OSC1 period
33* Tpwrt Power-up Timer Period 28 72 132 ms
VDD = 5V, -40°C to +125°C
34 T
IOZ I/O Hi-impedance from MCLR Low
or WDT Reset
——2.1
s
35 T
BOR Brown-out Reset Pulse Width 100 — —
s
V
DD BVDD (param. 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 18-1 for load conditions.
VDD
BVDD
35