PIC18LF4331 datasheet(3/392 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

DS39616D-page 3

14-Bit Power Control PWM Module:

• Up to 4 Channels with Complementary Outputs

• Edge or Center-Aligned Operation

• Flexible Dead-Band Generator

• Hardware Fault Protection Inputs

• Simultaneous Update of Duty Cycle and Period:

- Flexible Special Event Trigger output

Motion Feedback Module:

• Three Independent Input Capture Channels:

- Flexible operating modes for period and

pulse-width measurement

- Special Hall sensor interface module

- Special Event Trigger output to other modules

• Quadrature Encoder Interface:

- 2-phase inputs and one index input from

encoder

- High and low position tracking with direction

status and change of direction interrupt

- Velocity measurement

High-Speed, 200 ksps 10-Bit A/D Converter:

• Up to 9 Channels

• Simultaneous, Two-Channel Sampling

• Sequential Sampling: 1, 2 or 4 Selected Channels

• Auto-Conversion Capability

• 4-Word FIFO with Selectable Interrupt Frequency

• Selectable External Conversion Triggers

• Programmable Acquisition Time

Flexible Oscillator Structure:

• Four Crystal modes up to 40 MHz

• Two External Clock modes up to 40 MHz

• Internal Oscillator Block:

- 8 user-selectable frequencies: 31 kHz to 8 MHz

- OSCTUNE can compensate for frequency drift

• Secondary Oscillator using Timer1 @ 32 kHz

• Fail-Safe Clock Monitor:

- Allows for safe shutdown of device if clock fails

Power-Managed Modes:

• Run: CPU on, Peripherals on

• Idle: CPU off, Peripherals on

• Sleep: CPU off, Peripherals off

• Ultra Low, 50 nA Input Leakage

• Idle mode Currents Down to 5.8

A, Typical

• Sleep Current Down to 0.1

A, Typical

• Timer1 Oscillator, 1.8

A, Typical, 32 kHz, 2V

• Watchdog Timer (WDT), 2.1

A, typical

• Oscillator Two-Speed Start-up

- Fast wake from Sleep and Idle, 1

s, typical

Peripheral Highlights:

• High-Current Sink/Source 25 mA/25 mA

• Three External Interrupts

• Two Capture/Compare/PWM (CCP) modules

• Enhanced USART module:

- Supports RS-485, RS-232 and LIN/J2602

- Auto-wake-up on Start bit

- Auto-Baud Detect

Special Microcontroller Features:

• 100,000 Erase/Write Cycle Enhanced Flash

Program Memory, Typical

• 1,000,000 Erase/Write Cycle Data EEPROM

Memory, Typical

• Flash/Data EEPROM Retention: 100 Years

• Self-Programmable under Software Control

• Priority Levels for Interrupts

• 8 x 8 Single-Cycle Hardware Multiplier

• Extended Watchdog Timer (WDT):

- Programmable period from 41 ms to 131s

• Single-Supply In-Circuit Serial Programming™

(ICSP™) via Two Pins

• In-Circuit Debug (ICD) via Two Pins:

- Drives PWM outputs safely when debugging

Device

Program Memory

Data Memory

I/O

10-Bit

A/D (ch)

CCP

SSP

EUSART

14-Bit

PWM

(ch)

Timers

8/16-Bit

Flash

(bytes)

# Single-Word

Instructions

SRAM

(bytes)

EEPROM

(bytes)

SPI

Slave

I2C™

PIC18F2331

8192

4096

768

256

1/3

PIC18F2431 16384

8192

768

256

1/3

PIC18F4331

8192

4096

768

256

1/3

PIC18F4431 16384

8192

768

256

1/3

28/40/44-Pin Enhanced Flash Microcontrollers with

nanoWatt Technology, High-Performance PWM and A/D

PIC18F2331/2431/4331/4431

PIC18LF4331 Datasheet(PDF) 3 Page - Microchip Technology

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