STMicroelectronics STM32F091CCU6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F0
Packaging Tray |
Core Processor ARM® Cortex®-M0
Core Size 32-Bit Single-Core
Speed 48MHz
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART
Peripherals DMA, I2S, POR, PWM, WDT
Number of I/O 38
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 32K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 13x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-UFQFPN (7x7)
Package / Case 48-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F091CCU6 is a 32-bit ARM Cortex-M0 microcontroller from STMicroelectronics, operating at 48 MHz. It provides 256KB flash and 32KB RAM in a 48-UFQFN package, with a supply range of 2V to 3.6V. DMA, I2S, PWM, and WDT peripherals make it a cost-effective solution for consumer and industrial applications.

  • 48 MHz Cortex-M0 core: efficient performance for cost-sensitive designs.
  • Large 256KB flash: ample space for application code and data logging.
  • Compact 48-UFQFN package: ideal for miniaturized PCBs.
  • Rich timer peripherals: simplifies motor and PWM control.

Consumer Electronics

48 MHz Cortex-M0 with DMA and PWM drives LED lighting and small appliances.

Sensor Nodes

Low power consumption and 32KB RAM support periodic sensor sampling in IoT devices.

Motor Control

PWM timers with dead-time generation control small DC and stepper motors.

Smart Home Devices

UFQFN-48 package fits compact thermostats and smart plugs.

Industrial Timers

WDT and POR ensure reliable operation in 24/7 industrial counters.

Portable Tools

2V minimum supply allows direct battery operation for handheld instruments.

Q: What core does the STM32F091CCU6 use?
A: It uses an ARM Cortex-M0 core at 48 MHz.
Q: What is the flash size?
A: It has 256KB flash.
Q: How much RAM is available?
A: It has 32KB RAM.
Q: What is the supply voltage?
A: It operates from 2V to 3.6V.
Base Product Number : STM32F091CC
256KB Flash 32-bit MCU 32KB RAM 48MHz ARM Cortex-M0 Consumer DMA I2S Industrial PWM STM32F0 STMicroelectronics UFQFN-48
Q: What core does the STM32F091CCU6 use?
A: It uses an ARM Cortex-M0 core at 48 MHz.
Q: What is the flash size?
A: It has 256KB flash.
Q: How much RAM is available?
A: It has 32KB RAM.
Q: What is the supply voltage?
A: It operates from 2V to 3.6V.