The LPC11xx MCU Family is an Arm Cortex-M0 based low-cost 32-bit MCU family operating at CPU frequencies of up to 50 MHz. The LPC11xx MCU family is designed for 8/16-bit micro-controller operations, offering performance, low power, simple instruction set with reduced code size. The peripheral complement of the LPC11xx family includes up to 64 KB of flash memory, up to 8 KB of SRAM, fast-mode plus I2C-bus interface, RS-485/EIA-485 UART, SPI with SSP features, general purpose counters/timers, an Analog to Digital Converter, and up to 42 general purpose I/O pins.