PIC18F14K50数据手册Microchip中文资料规格书

描述 Description

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.USB Application Design Center
• A debug header is required for this device
• Part Numbers: AC244023 (F) / AC244024 (LF)
• Debug and programming support is available via PICkit™ 3, and MPLAB® ICD 3
• For Debug Header information, please refer to DS51292

特性 Features

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