PIC18LF4331T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4331T-I/SO

28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

Microchip Technology 

PIC18F2331/2431/4331/4431

TABLE 26-8: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

AND BROWN-OUT RESET REQUIREMENTS

Param.

No.

Symbol

Characteristic

Min Typ Max Units

Conditions

30

TMCL MCLR Pulse Width (low)

2

—

—

s

31

TWDT Watchdog Timer Time-out Period

—

4.00

—

ms

(no postscaler)

32

TOST Oscillation Start-up Timer Period 1024 TOSC — 1024 TOSC — TOSC = OSC1 period

33

TPWRT Power-up Timer Period

—

65.5

—

ms

34

TIOZ I/O High-impedance from MCLR

Low or Watchdog Timer Reset

—

2

—

s

35

TBOR Brown-out Reset Pulse Width

200

—

—

s VDD  BVDD (see D005)

36

TIRVST Time for Internal Reference

Voltage to become Stable

—

20

50

s

37

TLVD Low-Voltage Detect Pulse Width

200

—

—

s VDD  VLVD

38

TCSD CPU Start-up Time

—

10

—

s

39

TIOBST Time for INTOSC to Stabilize

—

1

—

ms

DS39616D-page 350

 2010 Microchip Technology Inc.

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