Scalable Mainstream 32-bit Microcontroller based on Arm® Cortex®-M3

LPC1768UK

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.

Compatibility and migration:

  • LPC1700 is pin-compatible with Arm7™ LPC2x00 and LPC4000 Series
  • LPC4000 is drop-in compatible with LPC177x/8x and Arm7 LPC2x00

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Product Details

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Features

  • 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
  • Available as WLCSP100 (5.074 x 5.074 x 0.6 mm) package

Target Applications

  • Smart energy, building automation, industrial controls and networking
  • White goods, lighting, surveillance
  • Computer communications and peripherals
  • Alarm systems
  • Motor control
  • Displays, telematics, scanners and medical diagnostics

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