Low-voltage Cortex-M0 for space-constrained nodes
The NXP LPC1112LVFHN24/003151 is a 32-bit ARM Cortex-M0 microcontroller from the LPC1100LV series, clocked at 50 MHz. It carries 16 KB of Flash program memory and 2 KB of SRAM, with 20 general-purpose I/O lines and serial connectivity via I²C, SPI, and UART/USART. The part operates from a 1.65 V to 1.95 V supply rail, making it a fit for single-cell battery applications or sub-2 V regulated domains. An internal oscillator, brown-out detect, POR, and watchdog timer reduce external BOM count.
50 MHz — throughput for small control loops
The 50 MHz Cortex-M0 core gives enough headroom for sensor polling, protocol framing, and simple PID loops without needing a higher-power Cortex-M3 or M4. At this clock rate the 2 KB SRAM becomes the tighter resource — keep interrupt stacks and data buffers lean.