32-bit ARM Cortex-M0+ microcontroller; up to 16 kB Flash and 4 kB SRAM The peripherals of the LPC81xM include a CRC engine, an I2C bus interface, up to three USARTs, up to two SPI interfaces, a multi-rate timer, a self-timer and a state-configurable timer, a comparator, function-configurable I/O ports via a switching matrix, an input pattern matching engine and up to 18 general-purpose I/O pins. https://elecena.pl/product/23447477/lpc812m101jdh20fp-arm-cortex-m0-microcontroller-tssop-20 2023-05-14 https://elecena.pl/product/23447477/lpc812m101jdh20fp-arm-cortex-m0-microcontroller-tssop-20 2023-10-06 https://elecena.pl/product/23447477/lpc812m101jdh20fp-arm-cortex-m0-microcontroller-tssop-20 2024-03-19 https://elecena.pl/product/23447477/lpc812m101jdh20fp-arm-cortex-m0-microcontroller-tssop-20 2025-10-14 https://elecena.pl/product/23447477/lpc812m101jdh20fp-arm-cortex-m0-microcontroller-tssop-20 2026-02-06