PIC18LF45K80-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF45K80-I/SO

28/40/44/64-Pin, Enhanced Flash Microcontrollers with ECAN™ and nanoWatt XLP Technology

Microchip Technology 

PIC18F66K80 FAMILY

FIGURE 31-7:

BROWN-OUT RESET TIMING

VDD

BVDD

35

VIRVST

Enable Internal

Reference Voltage

Internal Reference

Voltage Stable

36

VBGAP = 1.2V

TABLE 31-11: 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

(no postscaler)

—

4

—

ms

32

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

33

TPWRT Power-up Timer Period

—

1

—

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

TIVRST Time for Internal Reference

Voltage to become Stable

—

25

—

s

37

THLVD High/Low-Voltage Detect Pulse Width 200

—

—

s VDD  VHLVD

38

TCSD CPU Start-up Time

5

—

10

s

39

TIOBST Time for INTOSC to Stabilize

—

1

—

s

DS39977F-page 566

 2010-2012 Microchip Technology Inc.

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