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恩智浦研发的LPC408x/7x ARM Cortex-M4 MCU是一个数字信号控制器，其嵌入式应用程序需要一个高集成度、低功耗环境。ARM Cortex-M4是下一代的核心，提供系统的增强功能，如低功耗，调试功能的增强，并支持高水平块集成。在LPC408x/7X增加了一个专门的闪存加速，能够在闪存执行代码时实现最佳性能。LPC408x/7X的外设包括高达闪存程序存储器512KB，高达96KB SRAM数据存储器，高达EEPROM数据存储器，外部存储器控制器（EMC），LCD，以太网，USB设备/主机/4032字节OTG，SPI闪存接口（SPIFI），一个通用DMA控制器，五个UART，三SSP控制器，三个I²C总线接口，一个正交编码器接口，4个通用定时器，两个通用的PWM每六个输出和一个电机PWM控制，超低功耗RTC有单独的电池供应和事件记录，一个窗口看门狗定时器，一个CRC计算引擎和最多165个通用I/ O引脚。模拟外设包括一个8通道12位ADC，两个模拟比较器和一个DAC。 产品特性
- Functional replacement for LPC23xx/24xx and LPC178x/7x family devices
- ARM Cortex-M4 processor, running at frequencies of up to 120MHz
- 512kB on-chip flash program memory with In-System Programming (ISP) and In-Application Programming (IAP) capabilities
- Up to 96kB on-chip SRAM
- Up to 4032 byte on-chip EEPROM
- LCD controller, supporting both Super-Twisted Nematic (STN) and Thin-Film Transistors (TFT) displays
- External Memory Controller (EMC) provides support for asynchronous static memory devices such as RAM, ROM and flash, as well as dynamic memories such as single data rate SDRAM
- Eight channel General Purpose DMA controller (GPDMA) on the AHB multilayer matrix that can be used with the SSP, I²S, UART, CRC engine, Analog-to-Digital and Digital-to-Analog converter peripherals, timer match signals, GPIO, and for memory-to-memory transfers
- Quad SPI Flash Interface (SPIFI)
- Ethernet MAC with MII/RMII interface and associated DMA controller
- USB 2.0 full-speed dual port device/host/OTG controller
- Five UARTs with fractional baud rate generation, internal FIFO, DMA support, and RS-485/EIA-485 support
- Three SSP controllers with FIFO and multi-protocol capabilities
- Three enhanced I²C-bus interfaces
- I²S (Inter-IC Sound) interface for digital audio input or output
- CAN controller with two channels
- SD/MMC memory card interface
- Up to 165 General Purpose I/O (GPIO) pins
- Two external interrupt inputs configurable as edge/level sensitive
- Four general purpose timers/counters
- Quadrature encoder interface
- Two standard PWM/timer blocks
- One motor control PWM
- Real-Time Clock (RTC) with a separate power domain
- Event Recorder that can capture the clock value when an event occurs on any of three inputs
- Windowed Watchdog Timer (WWDT)
- CRC Engine block can calculate a CRC on supplied data using one of three standard polynomials
- 12-bit Analog-to-Digital Converter (ADC)
- 10-bit Digital-to-Analog Converter (DAC)
- Four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep power-down
- Brownout detect with separate threshold for interrupt and forced reset
- On-chip Power-On Reset (POR)
- On-chip crystal oscillator with an operating range of 1MHz to 25MHz
- 12MHz Internal RC oscillator (IRC)
- Unique device serial number for identification purposes
- Single 3.3V power supply (2.4V to 3.6V)
- Temperature range of 40ºC to 85ºC
- Available as LQFP208, TFBGA208, TFBGA180, LQFP144, and LQFP80 package
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发表于 2013-8-7 09:08:33
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