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NXP LPC11U14 LPCXpresso Board

LPCXpresso LPC11U14

The new LPC11U14 allow to CISIUM to provide the best in class USB electronic design focused in low cost and tiny package. The LPC1U114 LPCXpresso board with NXP's ARM Cortex-M0 microcontroller has been designed to make it as easy as possible to get started with Cortex-M0. The LPCXpresso comprises a target board combined with a JTAG debugger. The LPC11U14 has 6 kB SRAM, 32 kB Flash, USB 2.0 Full-Speed DEvice, SSP, I2C, UART, ADC, etc.

The LPC11U14 LPCXpresso board with NXP's ARM Cortex-M0 microcontroller is part of NXP's low-cost development toolchain for LPC families. It has been jointly developed by Embedded Artists, Code Red, and NXP. It is an end-to-end solution for creating applications all the way from evaluation through to production. Here are some of the highlights:

  • The target board comes with an integrated JTAG Debugger. No need for a separate emulator!.
  • A free Eclipse-based IDE.
  • Easy upgrade options to full-blown suites (from Code Red) and hardware kits (from Embedded Artists).



NXP's Cortex-M0 LPC11U14 microcontroller in LQFP48 package.


32 kB.

Data Memory

6 kB.


Crystals 12.000 MHz crystal for CPU.


35 x 140 mm.

  • 3.15V-3.3V external powering.
  • USB via JTAG probe (LPC-LINK)
  • mini-B USB connector for LPC11U14 USB interface
  • All LPC11U14 pins available on expansion connector (2x27 pin rows, 100 mil pitch, 900 mil between rows)
  • Embedded JTAG (LPC-LINK) functionality via LPCXpresso toolchain.
  • LPC-LINK can be connected to external target processor after modifications to the LPCXpresso board.
  • LED on PIO0_7.


Low Cost Cortex-M0 USB solutions with Smart Card Interface

The LPC11U00 series provides a compelling replacement for 8- and 16-bit USB microcontrollers, delivering robust USB performance at a low price point. The highly flexible USB architecture is quite simply a better approach to USB. NXP offers the widest range of ARM based USB solutions, as well as easy-to-use software and integrated development platforms that make NXP a one-stop shop for USB.

Key Features


  • ARM Cortex-M0 core, running at up to 50MHz
  • USB 2.0 full-speed device controller
  • USART with fractional baud rate generation and asynchronous smart card interface (ISO 7816-3)
  • Two SSP controllers with FIFO and multi-protocol capabilities
  • I2C-bus interface supporting the full I2C-bus specification and Fast-mode Plus
  • Extensive power control through 4 power modes, ROM power profiles, wake-up from USB, and more
  • Pin-compatible with the LPC134x series

Maximizing Connectivity While Minimizing Power

Connectivity options on the LPC11U00 series include two Synchronous Serial Port (SSP) interfaces, I2C with Fast-mode Plus feature with 10x higher bus-drive capability, a Universal Synchronous-Asynchronous Receiver/Transmitter (USART), and a Smart Card interface. The Smart Card interface (ISO7816-3) provides a plug-and-play interface for Smart Cards, making the LPC11U00 series a good fit for e-commerce applications. The LPC11U00 series also offers on-chip power profiles, driven by an Application Programming Interface (API), which can be customized for any low-power application so designers can achieve ideal power levels with minimal application intervention.

Designed for Small Form Factor Mobile and Consumer Applications

As an extension of NXP's proven LPC1100 family, the LPC11U00 series delivers up to 32KB flash, 6KB SRAM, a variety of serial interfaces, a smart card interface, 4 system timers with PWM functionality, 8 channel 10-bit ADC, and up to 40 GPIOs. The LPC11U00 series is offered in a miniature 4.5 x 4.5 mm TFGBGA48 package, making it especially suited for small form factor mobile and consumer applications in addition to several standard package offerings.

Block Diagram

LPC11U00 block diagram

LPC1000 Family

Key Features

  • Based on ARM Cortex™ processor cores:
    • Recently announced Cortex™-M0 core
    • Revision 2 of the Cortex™-M3 core
  • Speeds up to 100MHz from flash or RAM
  • Low power consumption
  • New Wake-up Interrupt Controller (WIC)
  • Memory Protection Unit
  • Available with:
    • Ethernet, USB Host/OTG/Device, CAN, I2S
    • Fast-mode Plus (Fm+) I2C, SPI/SSP, UARTs
    • 12-bit ADC @ 1MHz conversion rates
    • Low-power Real Time Clock
    • Motor Control PWM and Quadrature Encoder Interface
    • Multiple package options available
LPC1000 Overview 

How is Cortex-M0 Different than Cortex-M3?

LPC1000 Positioning

  • Cortex-M3: ARM's flagship Cortex-M class processor offers superior performance and flexibility
  • Cortex-M0: A streamlined subset of the Cortex-M3, Cortex-M0 offers three key benefits:
    • Energy efficiency
    • Performance efficiency
    • Ease of use

Energy Efficiency: The Cortex-M0 offers 60 DMIPS/mW versus Cortex-M3 which allows 31 DMIPS/mW. The Cortex-M0 also offers greatly improved energy efficiency over 8/16-bit processors due to its ability to complete a task in less time and go back to sleep quicker enabling extended battery life.

Performance Efficiency: The Cortex-M0 has dramatically improved code density when compared to 8/16-bit processors.

Ease of Use: Due to its deterministic instructions and interrupts, the Cortex-M0 allows 'cycle counting' which traditional 8/16-bit users are used to using thus taking the complexity out of 32-bit software development. Simplified programming is a key feature of Cortex-M0.

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