PIC24FJ16MC101_12 Datasheet, PDF (272/350 Pages) Microchip Technology – 16-bit Microcontrollers (up to 32 KB Flash and 2 KB SRAM)

PIC24FJ16MC101/102 AND PIC24FJ32MC101/102/104
FIGURE 26-4:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING CHARACTERISTICS
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Time-out
Internal
Reset
Watchdog
Timer
Reset
I/O Pins
FSCM
Delay
SY12
SY11
SY30
SY35
SY10
SY13
SY20
SY13
Note: Refer to Figure 26-1 for load conditions.
TABLE 26-21: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND 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
SY11 TPWRT Power-up Timer Period⁽¹⁾
—
SY12 TPOR Power-on Reset Delay⁽³⁾
3
SY13 TIOZ
I/O High-Impedance from MCLR —
Low or Watchdog Timer Reset⁽¹⁾
SY20 TWDT1 Watchdog Timer Time-out
—
Period⁽¹⁾
—
—
μs
64
— ms
10
30
μs
— 1.2 μs
—
— ms
SY30 TOST Oscillator Start-up Time
— 1024 * — —
TOSC
SY35 TFSCM Fail-Safe Clock Monitor Delay⁽¹⁾ —
500 900
μs
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.
3: These parameters are characterized, but are not tested in manufacturing.
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
—
See Section 23.4 “Watch-
dog Timer (WDT)” and
LPRC parameter F21a
(Table 26-19).
TOSC = OSC1 period
-40°C to +85°C
DS39997C-page 272
Preliminary
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