描述
The LPC1767 is a Cortex?-M3 microcontroller for embedded applications featuring a high level of integration and_low power consumption at frequencies of 100 MHz. Features include 512 kB of flash memory， 64 kB of data memory， Ethernet MAC， 8-channel DMA controller， 4 UARTs， 3 SSP/SPI， 3 I2C， I2S， 8-channel 12-bit ADC， 10-bit DAC， motor control PWM， Quadrature Encoder interface， 4 general purpose timers， 6-output general purpose PWM， ultra-low power Real-Time Clock with separate battery supply， and_up to 70 general purpose I/O pins. The LPC1767 is pin-compatible to the 100-pin LPC2368 Arm7? MCU
特性
? Arm? Cortex-M3 processor， running at frequencies of up to 100 MHz
? Arm Cortex-M3 built-in Nested Vectored Interrupt Controller (NVIC)
? Up to 512 kB on-chip flash programming memory
? Up to 64 kB On-chip SRAM
? In-System Programming (ISP) and_In-Application Programming (IAP)
? Eight channel General Purpose DMA controller (GPDMA)
? Ethernet MAC with RMII interface and_dedicated DMA controller
? Four UARTs with fractional baud rate generation， internal FIFO， and_DMA support
? SPI controller with synchronous， serial， full duplex communication
? Two SSP controllers with FIFO and_multi-protocol capabilities
? Three enhanced I2C bus interfaces
? I2S (Inter-IC Sound) interface
? 70 General Purpose I/O (GPIO) pins with configurable pull-up/down resistors
? 12-bit/8-ch Analog/Digital Converter (ADC) with conversion rates up to 200 kHz
? 10-bit Digital/Analog Converter (DAC) with dedicated conversion timer and_DMA
? Four general purpose timers/counters
? One motor control PWM with support for three-phase motor control
? Quadrature encoder interface that can monitor one external quadrature encoder
? One standard PWM/timer block with external count_input
? Low power RTC with a separate power domain and_dedicated oscillator
? WatchDog Timer (WDT)
? Arm Cortex-M3 system tick timer， including an external clock input option
? Repetitive interrupt timer provides programmable and_repeating timed interrupts
? Each peripheral has its own clock divider for further power savings
? Standard JTAG test/debug interface for compatibility with existing tools
? Integrated PMU (Power Management Unit)
? Four reduced power modes: Sleep， Deep-sleep， Power-down， and_Deep power-down
? Single 3.3 V power supply (2.4 V to 3.6 V)
? Four external interrupt inputs configurable as edge/level sensitive
? Non-maskable Interrupt (NMI) input
? Wake-up Interrupt Controller (WIC)
? Processor wake-up from Power-down mode via any interrupt
? Brownout detect with separate threshold for interrupt and_forced reset
? Power-On Reset (POR)
? Crystal oscillator with an operating range of 1 MHz to 25 MHz
? 4 MHz internal RC oscillator trimmed to 1 %_accuracy
? Code Read Protection (CRP) with different security levels
? Unique device serial number for identification purposes
应用
电子计量
照明
工业网络
报警系统
白色家电
电机控制
