The LPC11U3x are an ARM Cortex-M0 based, low-cost 32-bit MCU family, designed for 8/16-bit microcontroller applications, offering performance, low power, simple instruction set and memory addressing together with reduced code size compared to existing 8/16-bit architectures.
The document describes the NXP LPC11U3x family, which are low-cost 32-bit microcontrollers based on the ARM Cortex-M0 processor. Designed for 8/16-bit applications, they offer high performance with a maximum CPU frequency of up to 50 MHz and reduced code size compared to existing architectures.
The microcontroller features include up to 128 kB of flash memory, 4 kB of EEPROM, and 12 kB of SRAM. Key peripherals include a full-speed USB 2.0 device controller, USART with RS-485 support, two SSP interfaces, four general-purpose counter/timers, and a 10-bit ADC.
| CPU Architecture | ARM Cortex-M0 |
|---|---|
| Maximum CPU Frequency | 50 MHz |
| Flash Memory | Up to 128 kB |
| SRAM Data Memory | Up to 12 kB |
| EEPROM Data Memory | 4 kB |
| Boot ROM | 16 kB |
| ADC Resolution | 10-bit |
| I/O Pins | Up to 54 GPIO pins |
| Operating Temperature Range | -40 °C to +85 °C |
The microcontroller operates at CPU frequencies of up to 50 MHz.
The device requires a single 3.3 V power supply with a range of 1.8 V to 3.6 V.
The interface supports Fast-mode Plus with a data rate of up to 1 Mbit/s.