Overview
The STM32F091CBU6 microcontroller, produced by STMicroelectronics, is part of the STM32F091xB/xC series. 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. The microcontroller also includes an extensive range of enhanced peripherals and I/Os, making it suitable for a wide range of applications.
The STM32F091CBU6 operates within a temperature range of -40 to +85 °C and is powered by a 2.0 to 3.6 V supply. It offers various power-saving modes, enabling the design of low-power applications. The device is available in several package options, including the UFQFPN 48 package.
Key Specifications
| Specification | Details |
|---|---|
| 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 |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | -40 to +85 °C, -40 to +105 °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 ADC (up to 16 channels), conversion range: 0 to 3.6 V |
| DAC | One 12-bit DAC with two channels |
| Timers | Seven 16-bit timers, one 32-bit timer, one 16-bit advanced-control timer for 6 channel PWM output |
| Communication Interfaces | Two I2C interfaces, up to eight USARTs, two SPIs, one I2S interface, one CAN interface |
| 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
- Multiple communication interfaces: I2C, USART, SPI, I2S, CAN
- Advanced timers: seven 16-bit timers, one 32-bit timer, and one 16-bit advanced-control timer
- Low power modes: Sleep, Stop, Standby
- Power-on/Power down reset (POR/PDR) and programmable voltage detector (PVD)
- Up to 24 capacitive sensing channels for touchkey, linear and rotary touch sensors
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
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 STM32F091CBU6?
The core processor is the ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum frequency of the STM32F091CBU6?
The maximum frequency is up to 48 MHz.
- How much Flash memory does the STM32F091CBU6 have?
The device has up to 256 Kbytes of Flash memory.
- What are the power supply requirements for the STM32F091CBU6?
The device operates from a 2.0 to 3.6 V power supply.
- What are the temperature ranges for the STM32F091CBU6?
The device operates in the -40 to +85 °C and -40 to +105 °C temperature ranges.
- What communication interfaces are available on the STM32F091CBU6?
The device includes two I2C interfaces, up to eight USARTs, two SPIs, one I2S interface, and one CAN interface.
- Does the STM32F091CBU6 support low power modes?
Yes, it supports Sleep, Stop, and Standby low power modes.
- What is the package type for the STM32F091CBU6?
The package type is UFQFPN 48 7x7x0.55 mm.
- What are some of the applications suitable for the STM32F091CBU6?
Suitable applications include application control and user interfaces, hand-held equipment, A/V receivers, digital TV, PC peripherals, gaming and GPS platforms, industrial applications, and more.
- Does the STM32F091CBU6 have any advanced timers?
Yes, it includes seven 16-bit timers, one 32-bit timer, and one 16-bit advanced-control timer for 6 channel PWM output.
