PIC18F14K50 概述

The PIC18F14K50 brings advanced features and exceptional value to the embedded USB market. This low cost PIC® Microcontroller features a full speed USB 2.0 compliant interface that can automatically change clock sources and power levels upon connection to a host, making it an exceptional device for battery-powered applications.

The addition of mTouch(TM) touch sensing compatibility, a 10-bit ADC, motor control PWMs, and a host of serial interfaces make the PIC18F14K50 the perfect device to "Just add USB" to any application.

PIC18F14K50 特性

• High Performance PIC18 Core
• C Compiler optimized architecture
• Self-programmable under software control
• Support for Interrupt Priority Levels
• 8x8 Single-Cycle Hardware Multiplier
• Enhanced Watchdog Timer with a programmable period Full Speed Universal Serial Bus Interface
• USB v2.0 compliant interface
• Supports both Low Speed and Full Speed operation
• Supports Control, Interrupt, Isochronous and Bulk transfer
• Up to 16 Endpoints (or up to 8 bidirectional)
• Automatic detection of physical connection to USB host
• 256-byte Dual Access RAM Flexible Clocking Options
• Can be internally clocked up to 48MHz
• Fully tunable Internal Oscillator - Supplies frequencies from 31KHz to 16MHz - Can be user-adjusted for frequency drift
• Internal 4x Phase Lock Loop (PLL) - Can be used with External or Internal Oscillators
• Fail-safe Clock Monitor - Allows for safe shutdown during oscillator failure Advanced PIC® Microcontroller Peripherals
• Dual Capture/Compare/PWM interfaces - Up to 5 PWM Outputs - Programmable dead time, auto shutdown/restart
• Master I2C/SPI Interface - Supports all modes of 3-wire SPI - I2C™Compatible Master and Slave modes with address masking
• Enhanced Addressable USART Module - Supports RS-485, RS-232, and LIN 2.0
• 10-bit, 9-channel ADC Module - Can acquire & convert samples automatically - Can operate in sleep mode
• mTouch(TM) compatible Analog Comparators w/ SR Latch - Rail to Rail operation - Independent input multiplexing
• Robust GPIO with 25mA sink/source current
• Programmable On-chip Voltage Reference - Can be used with Comparators or ADC Operating Environment Versatility
• 1.8 to 5.6V Operating Range
• Software Programmable Brown-out Reset feature
• Four power-managed operating modes
• Two-speed clock startup option