DSPIC33FJ32GP302_12 Datasheet, PDF (354/436 Pages) Microchip Technology – 16-bit Digital Signal Controllers (up to 128 KB Flash and 16K SRAM) with Advanced Analog

dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
TABLE 30-21: 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 ≤ TA ≤ +125°C for Extended
Param
No.
Symbol
Characteristic⁽¹⁾
Min Typ⁽²⁾ Max Units
Conditions
SY10 TMCL MCLR Pulse Width (low) 2
—
— μs -40°C to +85°C
SY11 TPWRT Power-up Timer Period —
2
— ms -40°C to +85°C
4
User programmable
8
16
32
64
128
SY12 TPOR Power-on Reset Delay
3
10
30 μs -40°C to +85°C
SY13 TIOZ I/O High-Impedance
0.68 0.72
1.2 μs
—
from MCLR Low or
Watchdog Timer Reset
SY20 TWDT1 Watchdog Timer
Time-out Period
—
—
— — See Section 27.4 “Watchdog
Timer (WDT)” and LPRC
specification F21 (Table 30-19)
SY30 TOST
Oscillator Start-up
Timer Period
— 1024 TOSC — — TOSC = OSC1 period
SY35 TFSCM Fail-Safe Clock
Monitor Delay
—
500
900 μs -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.
DS70292G-page 354
© 2007-2012 Microchip Technology Inc.