
2006 Microchip Technology Inc.
Preliminary
DS70178C-page 247
dsPIC30F1010/202X
TABLE 21-18: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
AND TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.3V and 5.0V (±10%)
(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 +125°C
SY11
TPWRT
Power-up Timer Period
0.75
1.5
3
6
12
24
48
96
1
2
4
8
16
32
64
128
1.25
2.5
5
10
20
40
80
160
ms
-40°C to +125°C
User programmable
SY12
TPOR
Power-On Reset Delay
3
10
30
μs
-40°C to +125°C
SY13
TIOZ
I/O High-impedance from MCLR
Low or Watchdog Timer Reset
—0.8
1.0
μs
SY20
TWDT1
Watchdog Timer Time-out Period
(No Prescaler)
1.4
2.1
2.8
ms
VDD = 5V, -40°C to
+125°C
TWDT2
1.4
2.1
2.8
ms
VDD = 3.3V, -40°C to
+125°C
SY30
TOST
Oscillation Start-up Timer Period
—
1024 TOSC
——
TOSC = OSC1 period
SY35
TFSCM
Fail-Safe Clock Monitor Delay
—
500
—
μs
-40°C to +125°C
Note 1:
These parameters are characterized but not tested in manufacturing.
2:
Data in “Typ” column is at 5V, 25°C unless otherwise stated.