Datasheet

dsPIC33FJ16(GP/MC)101/102 AND dsPIC33FJ32(GP/MC)101/102/104
DS70652E-page 296  2011-2012 Microchip Technology Inc.
FIGURE 26-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING CHARACTERISTICS
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Time-out
Internal
Reset
Watchdog
Timer
Reset
SY11
SY10
SY20
SY13
I/O Pins
SY13
Note: Refer to Figure 26-1 for load conditions.
FSCM
Delay
SY35
SY30
SY12
TABLE 26-21: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
AND BROWN-OUT RESET TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C  T
A  +85°C for Industrial
-40°C  T
A  +125°C for Extended
Param
No.
Symb Characteristic
(1)
Min Typ
(2)
Max Units Conditions
SY10 T
MCLMCLR Pulse Width (low) 2 — — s
SY11 T
PWRT Power-up Timer Period — 64 — ms
SY12 T
POR Power-on Reset Delay 3 10 30 s
SY13 T
IOZ I/O High-Impedance from MCLR
Low or Watchdog Timer Reset
——1.2s
SY20 T
WDT1 Watchdog Timer Time-out
Period
———msSee Section 23.4 “Watchdog
Timer (WDT)” and LPRC
Parameter F21a (Table 26-19).
SY30 TOST Oscillator Start-up Time — 1024 * TOSC ——TOSC = OSC1 period
SY35 T
FSCM Fail-Safe Clock Monitor Delay — 500 900 s
Note 1: These parameters are characterized but are not tested in manufacturing.
2: Data in “Typ” column is at 3.3V, +25°C unless otherwise stated.