STMicroelectronics STM32C031K4U7TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32C0
Packaging Tape & Reel (TR) | NULL
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit
Speed 48MHz
Connectivity I2C, IrDA, LINbus, SMBus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 30
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 12K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 18x12b SAR
Oscillator Type External, Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-UFQFPN (5x5)
Package / Case 32-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32C031K4U7TR from STMicroelectronics is a 16KB flash, 12KB RAM MCU based on the ARM Cortex-M0+ core. It runs at 48MHz with 2V to 3.6V supply. The 32-UFQFN package includes PWM, POR, BOR, WDT, and a temperature sensor for advanced control.

  • ARM Cortex-M0+ – industry-standard ecosystem and tools.
  • 12KB RAM – large for 16KB flash class.
  • Integrated temp sensor – reduces external components.
  • Wide temperature range – reliable in industrial settings.

IoT Edge Nodes

ARM Cortex-M0+ at 48MHz with 12KB RAM handles MQTT and sensor protocols.

Portable Instruments

Low-power modes and 2V minimum supply extend battery life.

Motor Control

PWM timers and temp sensor enable thermal-aware motor drivers.

Smart Home Hubs

16KB flash is sufficient for Zigbee or Thread stack pre-processing.

Industrial Sensors

Wide temp range (-40 to 105°C) suits factory floor monitoring.

Medical Wearables

Compact UFQFN-32 package fits small PCB designs.

Q: What core is used?
A: ARM Cortex-M0+.
Q: What is the max clock speed?
A: 48MHz.
Q: What is the RAM size?
A: 12KB.
Q: What is the supply voltage?
A: 2V to 3.6V.
Base Product Number : STM32C031K4
12KB RAM 16KB Flash 32-bit 48MHz ARM Cortex-M0+ Industrial IoT MCU PWM Temp Sensor UFQFN-32 WDT
Q: What core is used?
A: ARM Cortex-M0+.
Q: What is the max clock speed?
A: 48MHz.
Q: What is the RAM size?
A: 12KB.
Q: What is the supply voltage?
A: 2V to 3.6V.