Datasheet

PIC24FJ256GA110 FAMILY
DS39905E-page 288  2010 Microchip Technology Inc.
FIGURE 28-7: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING CHARACTERISTICS
TABLE 28-21: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
AND BROWN-OUT RESET TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C  TA  +85°C for Industrial
Param
No.
Symbol Characteristic Min Typ
(1)
Max Units Conditions
SY10 TmcL MCLR
Pulse Width (low) 2 — — s
SY11 T
PWRT Power-up Timer Period — 64 — ms
SY12 T
POR Power-on Reset Delay 1 5 10 s
SY13 T
IOZ I/O High-Impedance from MCLR
Low or Watchdog Timer Reset
— — 100 ns
SY20 T
WDT Watchdog Timer Time-out Period 0.85 1.0 1.15 ms 1:32 prescaler
3.4 4.0 4.6 ms 1:128 prescaler
SY25 T
BOR Brown-out Reset Pulse Width 1 — — sVDD VBOR, voltage
regulator disabled
Note 1: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.
VDD
MCLR
Internal
POR
PWRT
SYSRST
System
Clock
Watchdog
Timer Reset
SY10
SY20
SY13
I/O Pins
SY13
SY11
SY12