NUC121LC2AE,32-bit microcontroller (MCU) with ARM® Cortex®-M0 core, USB

• Core

- ARM^® Cortex^®-M0 core

- Maximum frequency: 50 MHz

- Single-cycle 32-bit hardware multiplier

• Memory

- 32 KB application ROM (APROM)

- 4.5 KB Flash for loader (LDROM)

- 512 B Security Protection ROM (SPROM)

- 8 KB embedded SRAM supports PDMA mode

- Configurable Data Flash

- Supports program update by:

• ISP (In-System Programming)
• ICP (In-Circuit Programming)
• IAP (In-Application Programming)

• PDMA (Peripheral DMA)

- 5 independent configurable channels

- Single and burst transfer type

• ADC

- Supports 12-bit SAR ADC

- Up to 10 single-end analog input channels or 5 differential channels

- Supports PDMA transfer

•  PWM/BPWM

- 24-ch PWM/BPWM/Capture maximum clock frequency up to 100 MHz

- PWM/BPWM supports trigger ADC on three kinds of events

- PWM supports brake function

• Connectivity

- Up to one USCI interface could be set as UART, SPI, I²C mode

- Up to one UART, one SPI/I²S and two I²C for independent set

- Crystal-less USB 2.0 FS

• Clock Control

- 48 MHz internal RC (HIRC)

- 10 kHz internal RC (LIRC)

- 4-24 MHz external crystal (HXT)

- 32.768 kHz external crystal (LXT)

- PLL up to 100 MHz

• One built-in temperature sensor with 1℃ resolution
• Operating Voltage: 2.5-5.5V
• Operating Temperature: -40℃-105℃