Microchip Technology MA330019 데이터 시트
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
DS70291G-page 374
© 2007-2012 Microchip Technology Inc.
TABLE 31-21: 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
(unless otherwise stated)
Operating temperature
-40°C
≤ T
A
≤ +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
MC
L
MCLR Pulse Width (low)
2
—
—
μs
-40°C to +85°C
SY11
T
PWRT
Power-up Timer Period
—
2
4
8
4
8
16
32
64
32
64
128
—
ms
-40°C to +85°C
User programmable
User programmable
SY12
T
POR
Power-on Reset Delay
3
10
30
μs
-40°C to +85°C
SY13
T
IOZ
I/O High-Impedance from
MCLR Low or Watchdog
Timer Reset
MCLR Low or Watchdog
Timer Reset
0.68
0.72
1.2
μs
—
SY20
T
WDT
1
Watchdog Timer Time-out
Period
Period
—
—
—
—
and LPRC
specification F21 (
)
SY30
T
OST
Oscillator Start-up Time
—
1024 T
OSC
—
—
T
OSC
= OSC1 period
SY35
T
FSCM
Fail-Safe Clock Monitor
Delay
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.