ARM微控制器 - MCU 120 MHz ARM Cortex-M3 MCU
Overview
The LPC1769 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 120 MHz. Features include 512 kB of flash memory, 64 kB of data memory, Ethernet MAC, USB Device/Host/OTG, 8-channel DMA controller, 4 UARTs, 2 CAN channels, 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 LPC1769 is pin-compatible to the 100-pin LPC2368 ARM7 MCU
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## Features
* ARM Cortex-M3 processor, running at frequencies of up to 120 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
* USB 2.0 full-speed device/Host/OTG controller
* Four UARTs with fractional baud rate generation, internal FIFO, and DMA support
* CAN 2.0B controller with two channels
* 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
## Target Applications
* eMetering
* Lighting
* Industrial networking
* Alarm systems
* White goods
* Motor control
## Features
