Datasheet

2009-2012 Microchip Technology Inc. DS70593D-page 287
dsPIC33FJXXXGPX06A/X08A/X10A
TABLE 25-21: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C TA +85°C for Industrial
-40°C T
A +125°C for Extended
Param
No.
Symbol Characteristic
(1)
Min Typ
(2)
Max Units Conditions
SY10 T
MCLMCLR Pulse-Width (low) 2 s -40°C to +85°C
SY11 TPWRT Power-up Timer Period
2
4
8
16
32
64
128
ms -40°C to +85°C
User programmable
SY12 T
POR Power-on Reset Delay 3 10 30 s -40°C to +85°C
SY13 T
IOZ I/O High-Impedance from
MCLR
Low or Watchdog
Timer Reset
0.68 0.72 1.2 s—
SY20 T
WDT1 Watchdog Timer
Time-out Period
———See Section 22.4 “Watchdog
Timer (WDT)” and LPRC
specification F21 (Table 25-19)
SY30 T
OST Oscillator Start-up Timer
Period
1024 TOSC ——TOSC = OSC1 period
SY35 T
FSCM Fail-Safe Clock Monitor
Delay
—500900s -40°C to +85°C
Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.