PIC24EP256GU810-I Datasheet, PDF (517/622 Pages) Electronic Film Capacitors, Inc. – 16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, USB and Advanced Analog

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
FIGURE 32-5:
BOR AND MASTER CLEAR RESET TIMING CHARACTERISTICS
MCLR
BOR
Reset Sequence
TMCLR
(SY20)
TBOR
(SY30)
Various Delays (depending on configuration)
CPU Starts Fetching Code
TABLE 32-22: 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 -40°C  TA  +85°C for Industrial
-40°C  TA  +125°C for Extended
Param. Symbol
Characteristic⁽¹⁾
Min. Typ.⁽²⁾ Max. Units
Conditions
SY00
SY10
SY11
TPU
TOST
TPWRT
Power-up Period
Oscillator Start-up Time
Power-up Timer Period
—
400
600 s
— 1024 TOSC — —
—
—
——
SY12 TWDT
Watchdog Timer
Time-out Period
—
—
——
SY13 TIOZ
I/O High-Impedance
0.68
0.72
1.2 s
from MCLR Low or
Watchdog Timer Reset
SY20 TMCLR
MCLR Pulse Width (low) 2
—
— s
SY30 TBOR
BOR Pulse Width (low) 1
—
— s
SY35 TFSCM
Fail-Safe Clock Monitor —
Delay
500
900 s
SY36 TVREG
Voltage Regulator
—
Standby-to-Active Mode
Transition Time
—
30 µs
SY37 TOSCDFRC FRC Oscillator Start-up —
Delay
—
29 µs
SY38 TOSCDLPRC LPRC Oscillator Start-up —
Delay
—
70 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.
TOSC = OSC1 period
See Section 29.1 “Configuration
Bits” and LPRC Parameters F21a
and F21b (Table 32-20)
See Section 29.4 “Watchdog
Timer (WDT)” and LPRC
Parameters F21a and F21b
(Table 32-20)
-40°C to +85°C
 2009-2012 Microchip Technology Inc.
DS70616G-page 517