LPC4357 Developer's Kit
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LPC4357 Developer's Kit

Embedded Artists' LPC4357 Developer's Kit lets you get up-and-running quickly with the LPC4357 OEM Board. The LPC4357 OEM Board is equipped with NXP's dual-core Cortex-M4/M0 based LPC4357 microcontroller suitable for a wide range of applications that requires advanced communication and high quality graphic displays.

Display Options

Note that display options are sold separately




LPC4357 OEM Board

Processor NXP's Dual core Cortex-M4/M0 LPC4357 microcontroller in BGA package, core executing at up to 204MHz
Program Flash 1 MB internal FLASH + 128 MB external NAND FLASH
SPIFI Memory 16 Mbit QSPI flash
Data Memory 136 KB internal SRAM + 32 MB external SDRAM (with 32-bit data bus) + 16 KB internal E2PROM
Ethernet 100/10M Ethernet interface based on SMSC LAN8720 Ethernet PHY
Clock Crystals • 12.000 MHz crystal for CPU
• 32.768 kHz crystal for RTC
Dimensions 68 x 50 mm
Power +3.3V powering

• 200 pos expansion connector (as defined in SODIMM standard), 0.6mm pitch
• 20 pos trace connector, 50 mil pitch
• Dual 20 pos I2S and SGPIO expansion connectors, 50 mil pitch

Other • uSD memory card interface connector
• 1 Kbit I2C E2PROM with EUI-48™ number (for Ethernet MAC address)
• Buffered 32-bit databus

OEM Base Board

Connectors and
• 200 pos, 0.6mm pitch SODIMM connector for OEM Board
• LCD expansion connector with control signals for touch screen interface
• Expansion connector with all OEM Board signals
• Ethernet connector (RJ45)
• CAN interface & connector (provision for second CAN interface, but not mounted)
• MMC/SD interface & connector (not used, the LPC4357 OEM board has an on-board uSD connector instead)
• USB1: OTG or Host interface & connector
• USB2: Device or Host interface & connector
• Provision for NXP JN5148 RF module (former Jennic) interface (RF module not included)
• Full modem RS232 (cannot be fully used on 32-bit databus OEM boards)
• RS422/485 interface & connector
• Provision for IrDA transceiver interface (transceiver not mounted)
• I2S audio codec (mic in, line in, line out, headphone out) • SWD/JTAG connector
• Trace connector and pads for ETM connector
• Serial Expansion Connector, 14-pos connector with UART/I2C/SPI/GPIO pins
Power • Power supply, either via USB or external 5V DC
• Optional coin cell battery for RTC and LED on ALARM output (coin cell not included)
Other • OEM Board current measuring
• Parallel NOR flash on external memory bus
• 16-bit register and LEDs on external memory bus
• 5-key joystick
• LM75 temperature sensor (I2C connected)
• 5 push-button keys (four via I2C and one on ISP-ENABLE)
• 9 LEDs (8 via I2C and one on ISP-ENABLE)
• Trimming potentiometer to analog input
• USB-to-serial bridge on UART #0 (FT232R) and ISP functionality
• Reset push-button and LED
• Speaker output on analog output from OEM Board, or from I2S audio codec
• 160x150 mm in size

The LPC4357 Developer's Kit is an Evaluation product not designed for integration or long time availability.
The LPC4357 OEM Board is however an Integration product


Documentation and Resources

The following resources are available for download either directly below or from our support site after registration of the LPC4357 Developer's Kit.


Product Change Note (PCN)


Sample Software Disclaimer

  • Display - An example of using the 3.2", 4.3" and 7" displays including touch support
  • Memreg - Illustrating how to turn on/off memory mapped LEDs on the OEM Base Board
  • Audio (I2S) - This example is using the UDA1380 audio code and I2S to play an audio file.
  • FatFs - An example using the FatFs module to access the micro SD memory card on the back of the OEM Board.
  • Speaker - WAV - This project illustrates the use of the speaker mounted on the OEM Base Board. The DAC output on the LPC4357 is used.
  • USB Host - Illustrates the use of  nxpUSBlib to detect a USB memory stick.
  • Demo Application - The demo application that is (typically) pre-loaded on the board


External Resources

Included in kit

  • One LPC4357 OEM Board (EA-OEM-011)
  • One OEM Base Board (EA-OEM-500)
  • One USB cable, type A to mini-B
  • Headset with microphone
  • Serial number that gives you access to the support site for this product

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