Texas Instruments (TI) has just announced the MSPM0C1104, the world’s smallest microcontroller with a size of just 1.38 mm², equivalent to a black peppercorn. This is a major breakthrough in the field of microelectronics, especially in the context of electronic devices becoming increasingly compact while still requiring high performance.
The trend of component miniaturization is becoming increasingly common, particularly in medical devices, consumer electronics, and smart wearables. Devices such as wireless earbuds, medical sensors, and smart home devices are increasingly demanding ultra-small yet powerful components.
The MSPM0C1104 belongs to TI’s Arm Cortex-M0+ MSPM0 MCU microcontroller family, manufactured using Wafer-Level Chip Scale Packaging (WLCSP) technology, which makes it 38% smaller than other competing microcontrollers. As a result, engineers can integrate more features without increasing the board size, a crucial factor for devices like wireless earbuds and medical sensors.
Powerful performance in an ultra-small microcontroller size
Despite its tiny size, the MSPM0C1104 still delivers significant processing performance. This microcontroller integrates a 12-bit ADC with 3 channels, 6 GPIO pins, along with standard UART, SPI, and I2C communications.
With the Arm Cortex-M0+ architecture, the MSPM0C1104 operates at a frequency of up to 24 MHz, accompanied by 16 KB of flash memory and 1 KB of RAM. Additionally, this microcontroller features an integrated high-speed oscillator with an accuracy of -2% to +1.2%, eliminating the need for an external crystal.
Other notable features include:
- Single-channel DMA controller, helping to reduce CPU load.
- CRC-16 accelerator, improving data reliability.
- Integrated temperature sensor, serving temperature monitoring applications.
- 16-bit timer, including one advanced timer and two general-purpose timers.
- Watchdog timer monitor, enhancing system stability.
The MSPM0C1104 supports an operating temperature from -40°C to 125°C, with a voltage range from 1.62V to 3.6V. This microcontroller consumes only 87μA/MHz in active mode and 5μA in standby mode, helping to optimize power for battery-operated devices that require long operating times.
Wide applications and competitive pricing
The Texas Instruments MSPM0 MCU family includes over 100 different microcontrollers, with pin-to-pin compatible options, making it easy to replace and expand designs. Prices start from 0.16 USD per unit for a 1,000-unit order quantity, providing a cost-effective solution for many commercial applications.
Texas Instruments also provides a comprehensive development toolset including:
- SDK software and reference designs to support programming.
- Zero Code Studio tool, helping to develop MCU applications without complex coding.
- MSPM0 Academy and TI E2E support forums, helping developers easily access and implement MCUs into real-world projects.
- LaunchPad development kit for MSPM0C1104, integrating programming and debug probes directly on the board.
With its ultra-small size but powerful performance, the MSPM0C1104 promises to become a top choice for IoT devices, medical sensors, and smart wearables in the future.

