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DSPIC30F2023-30I-PT Datasheet, PDF (249/286 Pages) Microchip Technology – 28/44-Pin High-Performance Switch Mode Power Supply Digital Signal Controllers | |||
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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
â
â
SY11 TPWRT Power-up Timer Period
0.75
1
1.25
1.5
2
2.5
3
4
5
6
8
10
12
16
20
24
32
40
48
64
80
96
128
160
SY12 TPOR Power-On Reset Delay
3
10
30
SY13 TIOZ I/O High-impedance from MCLR â
0.8
1.0
Low or Watchdog Timer Reset
SY20 TWDT1 Watchdog Timer Time-out Period 1.4
2.1
2.8
(No Prescaler)
TWDT2
1.4
2.1
2.8
SY30 TOST Oscillation Start-up Timer Period â 1024 TOSC â
SY35 TFSCM Fail-Safe Clock Monitor Delay
â
500
â
Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in âTypâ column is at 5V, 25°C unless otherwise stated.
μs -40°C to +125°C
ms -40°C to +125°C
User programmable
μs -40°C to +125°C
μs
ms VDD = 5V, -40°C to
+125°C
ms VDD = 3.3V, -40°C to
+125°C
â TOSC = OSC1 period
μs -40°C to +125°C
© 2006 Microchip Technology Inc.
Preliminary
DS70178C-page 247
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