HomedatasheetPIC18LF4431T-EPT

PIC18LF4431T-EPT Datasheet

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

DEVICE OVERVIEW
This document contains device-specific information for the following devices:

• PIC18F2331 • PIC18LF2331
• PIC18F2431 • PIC18LF2431
• PIC18F4331 • PIC18LF4331
• PIC18F4431 • PIC18LF4431

This family offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price, with the addition of high-endurance enhanced Flash program memory and a high-speed 10-bit A/D Converter. On top of these features, the PIC18F2331/2431/4331/4431 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power control and motor control applications.


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

 

Features

Parameters


Manufacturer information

MICROCHIP TECHNOLOGY

Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.


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