The NXP LPC1519JBD100551 is a 32-bit ARM Cortex-M3 MCU running at 72 MHz, with 256 KB of Flash program memory and 36 KB of SRAM. That core speed handles most real-time control loops — motor commutation, CAN message processing, sensor fusion — without needing a higher-tier Cortex-M4. The part includes 4 KB of EEPROM, which saves an external serial EEPROM for calibration constants or fault logs. Combined with the internal oscillator, you can run this MCU with minimal external components — just the supply decoupling and maybe a CAN transceiver.
Connectivity and I/O
With 76 I/O lines, CANbus, I²C, SPI, and UART interfaces, this MCU can serve as the central node in a distributed control system — talking to motor drives over CAN, reading sensors over I²C, and logging data over UART. The 24-channel 12-bit ADC covers multi-axis analog feedback without an external multiplexer.