PIC16CE623T-04EP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16CE623T-04EP

OTP 8-Bit CMOS MCU with EEPROM Data Memory

Microchip Technology 

PIC16CE62X

FIGURE 13-7: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER TIMING

VDD

MCLR

Internal

POR

PWRT

Timeout

OSC

Timeout

Internal

RESET

Watchdog

Timer

RESET

I/O Pins

33

32

30

31

34

34

FIGURE 13-8: BROWN-OUT RESET TIMING

VDD

BVDD

35

TABLE 13-5: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER REQUIREMENTS

Parameter

No.

Sym Characteristic

Min

Typ†

Max Units

Conditions

30

TmcL MCLR Pulse Width (low)

2000

—

—

ns -40° to +85°C

31

Twdt Watchdog Timer Time-out Period

7*

18

33* ms VDD = 5.0V, -40° to +85°C

(No Prescaler)

32

Tost Oscillation Start-up Timer Period

— 1024 TOSC —

— TOSC = OSC1 period

33

Tpwrt Power-up Timer Period

28*

72

132* ms VDD = 5.0V, -40° to +85°C

34

TIOZ I/O hi-impedance from MCLR low

—

2.0 µs

35

TBOR Brown-out Reset Pulse Width

100*

—

—

µs 3.7V ≤ VDD ≤ 4.3V

*

These parameters are characterized but not tested.

†

Data in "Typ" column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are

not tested.

© 1999 Microchip Technology Inc.

DS40182C-page 93

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