LPC4357 is the asymmetrical dual-core digital signal controller with ARM Cortex-M4 and Cortex-M0 processors. The LPC-4357-DB1 development board consists of the most essential components that you need to start your development.It contains the LPC4357FET256 dual-core controller, USB, Ethernet and JTAG connectors, 4 push buttons + 4 LEDs, 16MB external NOR flash.