Microchip Technology MA330031-2 Data Sheet
2011-2013 Microchip Technology Inc.
DS70000657H-page 417
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
TABLE 30-22: 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
(
)
Min.
Typ.
(
)
Max. Units
Conditions
SY00
T
PU
Power-up Period
—
400
600
s
SY10
T
OST
Oscillator Start-up Time
—
1024 T
OSC
—
—
T
OSC
= OSC1 period
SY12
T
WDT
Watchdog Timer
Time-out Period
Time-out Period
0.81
0.98
1.22
ms
) at +85ºC
3.26
3.91
4.88
ms
) at +85ºC
SY13
T
IOZ
I/O High-Impedance
from MCLR Low or
Watchdog Timer Reset
from MCLR Low or
Watchdog Timer Reset
0.68
0.72
1.2
s
SY20
T
MCLR
MCLR Pulse Width (low)
2
—
—
s
SY30
T
BOR
BOR Pulse Width (low)
1
—
—
s
SY35
T
FSCM
Fail-Safe Clock Monitor
Delay
Delay
—
500
900
s
-40°C to +85°C
SY36
T
VREG
Voltage Regulator
Standby-to-Active mode
Transition Time
Standby-to-Active mode
Transition Time
—
—
30
s
SY37
T
OSCDFRC
FRC Oscillator Start-up
Delay
Delay
46
48
54
s
SY38
T
OSCDLPRC
LPRC Oscillator Start-up
Delay
Delay
—
—
70
s
Note 1:
These parameters are characterized but not tested in manufacturing.
2:
Data in “Typical” column is at 3.3V, +25°C unless otherwise stated.