STMicroelectronics STM32F091CBT7TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F0
Packaging Cut Tape (CT) | NULL
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 128KB (128K 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 ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F091CBT7TR is an STMicroelectronics MCU featuring an ARM Cortex-M0 core at 48MHz. It provides 128KB flash and 32KB RAM. With DMA, I2S, PWM, and WDT, it is designed for cost-efficient control and audio applications. Supplied in tape-and-reel for automated assembly.

  • Large 128KB flash: accommodates complex firmware without external memory.
  • 32KB RAM: supports buffering for data-intensive applications.
  • I2S interface: enables digital audio connectivity.
  • Tape-and-reel packaging: simplifies high-volume manufacturing.

Industrial Sensors

128KB flash and 32KB RAM support complex calibration algorithms for precision industrial transmitters.

Motor Drives

PWM and DMA enable smooth 3-phase motor control in 48MHz real-time loops.

Smart Home Hubs

I2S interface allows audio feedback in smart speakers or intercom systems.

Battery Management

2V-3.6V range and WDT provide reliable monitoring for lithium-ion battery packs.

Building Automation

48-LQFP package fits HVAC controllers with multiple I/O requirements.

Test Equipment

High-speed DMA and 32KB RAM handle data buffering for portable measurement tools.

Q: What is the core and speed?
A: ARM Cortex-M0 at 48MHz.
Q: How much flash memory?
A: 128KB.
Q: What is the RAM size?
A: 32KB.
Q: What package is this?
A: 48-LQFP.
Q: Is this a tape-and-reel part?
A: Yes, the TR suffix indicates tape-and-reel packaging.
Base Product Number : STM32F091CB
128KB Flash 32KB RAM 48MHz ARM Cortex-M0 DMA I2S Industrial LQFP-48 PWM STM32F091CBT7TR STMicroelectronics
Q: What is the core and speed?
A: ARM Cortex-M0 at 48MHz.
Q: How much flash memory?
A: 128KB.
Q: What is the RAM size?
A: 32KB.
Q: What package is this?
A: 48-LQFP.
Q: Is this a tape-and-reel part?
A: Yes, the TR suffix indicates tape-and-reel packaging.