Overview
The STM32F091CBU6TR is a microcontroller from STMicroelectronics, part of the STM32F091xB/xC family. It features the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. This device is equipped with high-speed embedded memories, including up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM. It also includes an extensive range of enhanced peripherals and I/Os, making it suitable for a wide range of applications.
The microcontroller operates within a temperature range of -40 to +85 °C and is powered by a 2.0 to 3.6 V supply. It includes various power-saving modes, enabling the design of low-power applications. The STM32F091CBU6TR is available in a UFQFPN 48 7x7x0.55 mm package and is RoHS compliant with an ECOPACK®2 certification.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Memories | 128 to 256 Kbytes of Flash memory, 32 Kbytes of SRAM with HW parity |
| Supply Voltage | 2.0 V to 3.6 V (Digital & I/Os), 2.4 V to 3.6 V (Analog) |
| Temperature Range | -40 to +85 °C |
| Clock Management | 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, Internal 8 MHz RC with x6 PLL option |
| I/Os | Up to 88 fast I/Os, up to 69 I/Os with 5V-tolerant capability |
| ADC | One 12-bit, 1.0 μs ADC (up to 16 channels) |
| DAC | One 12-bit D/A converter (with 2 channels) |
| Timers | One 32-bit and seven 16-bit timers, one 16-bit advanced-control timer for 6 channel PWM output |
| Communication Interfaces | Two I2C, two SPIs, up to eight USARTs, CAN interface, HDMI CEC wakeup |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- High-performance ARM® 32-bit Cortex®-M0 CPU with up to 48 MHz frequency
- High-speed embedded memories: up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM
- Extensive range of enhanced peripherals and I/Os
- Low power modes: Sleep, Stop, Standby
- VBAT supply for RTC and backup registers
- 12-channel DMA controller
- Two fast low-power analog comparators with programmable input and output
- Up to 24 capacitive sensing channels for touchkey, linear and rotary touch sensors
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
- Serial wire debug (SWD) and 96-bit unique ID
Applications
- Application control and user interfaces
- Hand-held equipment
- A/V receivers and digital TV
- PC peripherals, gaming and GPS platforms
- Industrial applications, PLCs, inverters, printers, scanners
- Alarm systems, video intercoms, and HVACs
Q & A
- What is the core processor of the STM32F091CBU6TR?
The core processor is the ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz.
- How much Flash and SRAM memory does the STM32F091CBU6TR have?
The device has up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM.
- What is the operating temperature range of the STM32F091CBU6TR?
The operating temperature range is -40 to +85 °C.
- What types of communication interfaces are available on the STM32F091CBU6TR?
The device includes two I2C interfaces, two SPIs, up to eight USARTs, a CAN interface, and HDMI CEC wakeup.
- Does the STM32F091CBU6TR support low power modes?
- What is the package type of the STM32F091CBU6TR?
The package type is UFQFPN 48 7x7x0.55 mm.
- Is the STM32F091CBU6TR RoHS compliant?
- What types of timers are available on the STM32F091CBU6TR?
The device includes one 32-bit timer, seven 16-bit timers, and one 16-bit advanced-control timer for 6 channel PWM output.
- Does the STM32F091CBU6TR have any analog-to-digital conversion capabilities?
- What is the purpose of the VBAT supply in the STM32F091CBU6TR?
The VBAT supply is for the RTC and backup registers.
