456479D is part of NXP's LPC Link 2 development board, a system-on-module (SOM) platform. This development board includes an ARM Cortex-M4F core microcontroller, 32 KB on-chip flash, and 8 KB SRAM. The board also features various onboard peripherals, such as an 8-channel ADC, 4 UARTs, I2C, SPI, PWM, USB, Ethernet, and 3x Timers. It has additional user I/O pins to support peripherals, along with several user push-buttons and LED indicators.