PIC18F6310ESLASHPTSQTP datasheet(9/404 Pages) MICROCHIP

9 / 404 page

 2004 Microchip Technology Inc.

Preliminary

DS39635A-page 7

PIC18F6310/6410/8310/8410

1.0

DEVICE OVERVIEW

This document contains device specific information for

the following devices:

This family offers the advantages of all PIC18

microcontrollers

–

namely,

high

computational

performance at an economical price. In addition to

these

features,

the

PIC18F6310/6410/8310/8410

family introduces design enhancements that make

these microcontrollers a logical choice for many

high-performance, power sensitive applications.

1.1

New Core Features

1.1.1

nanoWatt TECHNOLOGY

All of the devices in the PIC18F6310/6410/8310/8410

family incorporate a range of features that can

significantly

reduce

power

consumption

during

operation. Key items include:

• Alternate Run Modes: By clocking the controller

from the Timer1 source or the internal oscillator

block, power consumption during code execution

can be reduced by as much as 90%.

• Multiple Idle Modes: The controller can also run

with its CPU core disabled, but the peripherals still

active. In these states, power consumption can be

reduced even further – to as little as 4% of normal

operation requirements.

• On-the-Fly Mode Switching: The power

managed modes are invoked by user code during

operation, allowing the user to incorporate

power-saving ideas into their application’s

software design.

• Lower Consumption in Key Modules: The

power requirements for both Timer1 and the

Watchdog Timer have been reduced by up to

80%, with typical values of 1.1

µA and 2.1 µA,

respectively.

1.1.2

MULTIPLE OSCILLATOR OPTIONS

AND FEATURES

All of the devices in the PIC18F6310/6410/8310/8410

family offer nine different oscillator options, allowing

users a wide range of choices in developing application

hardware. These include:

• Four Crystal modes, using crystals or ceramic

resonators.

• Two External Clock modes, offering the option of

using two pins (oscillator input and a divide-by-4

clock output) or one pin (oscillator input, with the

second pin reassigned as general I/O).

• Two External RC Oscillator modes, with the same

pin options as the External Clock modes.

• An internal oscillator block which provides an

8 MHz clock (±2% accuracy) and an INTRC

source (approximately 31 kHz, stable over

temperature and VDD), as well as a range of six

user selectable clock frequencies between

125 kHz to 4 MHz for a total of eight clock

frequencies. This option frees the two oscillator

pins for use as additional general purpose I/O.

• A Phase Lock Loop (PLL) frequency multiplier,

available to both the High-Speed Crystal and

Internal Oscillator modes, which allows clock

speeds of up to 40 MHz. Used with the internal

oscillator, the PLL gives users a complete

selection of clock speeds from 31 kHz to 32 MHz

– all without using an external crystal or clock

circuit.

Besides its availability as a clock source, the internal

oscillator block provides a stable reference source that

gives

the

family

additional

features

for

robust

operation:

• Fail-Safe Clock Monitor: This option constantly

monitors the main clock source against a

reference signal provided by the internal

oscillator. If a clock failure occurs, the controller is

switched to the internal oscillator block, allowing

for continued low-speed operation or a safe

application shutdown.

• Two-Speed Start-up: This option allows the

internal oscillator to serve as the clock source

from Power-on Reset or wake-up from Sleep

mode until the primary clock source is available.

• PIC18F6310

• PIC18LF6310

• PIC18F6410

• PIC18LF6410

• PIC18F8310

• PIC18LF8310

• PIC18F8410

• PIC18LF8410

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