The LPC1768 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, 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 LPC1768 is pin-compatible to the 100-pin LPC2368 ARM7 MCU

Features and benefits

·         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

·         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

Applications

·         eMetering

·         Lighting

·         Industrial networking

·         Alarm systems

·         White goods

·         Motor control