Overview
The STM32F091CCT7TR is a member of the STM32F091xB/xC family of microcontrollers produced by STMicroelectronics. This device is built around the high-performance ARM® 32-bit Cortex®-M0 CPU, which operates at a frequency of up to 48 MHz. The microcontroller is designed to offer a balance of performance, power efficiency, and a rich set of peripherals, making it suitable for a wide range of applications.
The STM32F091CCT7TR features high-speed embedded memories, including up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM, along with a CRC calculation unit. It supports various power-saving modes such as Sleep, Stop, and Standby, and operates within a temperature range of -40 to +85 °C or -40 to +105 °C, depending on the package.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Flash Memory | 128 to 256 Kbytes |
| SRAM | 32 Kbytes with HW parity |
| Power Supply | 2.0 V to 3.6 V (VDD), 2.4 V to 3.6 V (VDDA) |
| Temperature Range | -40 to +85 °C or -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, internal 40 kHz RC oscillator, internal 48 MHz oscillator |
| I/Os | Up to 88 fast I/Os, up to 69 I/Os with 5V-tolerant capability, 19 with independent supply VDDIO2 |
| ADC | One 12-bit, 1.0 µs ADC (up to 16 channels) |
| DAC | One 12-bit D/A converter (with 2 channels) |
| Timers | One 16-bit advanced-control timer, one 32-bit and seven 16-bit timers |
| Communication Interfaces | Two I2C interfaces, up to eight USARTs, two SPIs, one CAN interface |
| Package | LQFP 48 7x7x1.4 mm |
Key Features
- Core and Performance: ARM® 32-bit Cortex®-M0 CPU with a frequency up to 48 MHz.
- Memories: Up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM with HW parity.
- Power Management: Power-on/Power down reset (POR/PDR), programmable voltage detector (PVD), low power modes (Sleep, Stop, Standby), and VBAT supply for RTC and backup registers.
- Peripherals: 12-channel DMA controller, one 12-bit ADC, one 12-bit DAC with two channels, two fast low-power analog comparators, up to 24 capacitive sensing channels, and a calendar RTC with alarm and periodic wakeup.
- Communication Interfaces: Two I2C interfaces, up to eight USARTs, two SPIs, one CAN interface, and HDMI CEC wakeup on header reception.
- Timers and Watchdogs: One 16-bit advanced-control timer, one 32-bit and seven 16-bit timers, independent and system watchdog timers, and SysTick timer.
- Security and Debugging: Serial wire debug (SWD) and a 96-bit unique ID.
Applications
- Industrial Applications: Suitable for PLCs, inverters, and other industrial control systems.
- Consumer Electronics: Used in A/V receivers, digital TV, PC peripherals, gaming platforms, and GPS devices.
- Hand-held Equipment: Ideal for portable devices requiring low power consumption and high performance.
- Home Automation: Applied in HVAC systems, alarm systems, and video intercoms.
- Printers and Scanners: Utilized in various printing and scanning devices due to its robust peripheral set.
Q & A
- What is the core of the STM32F091CCT7TR microcontroller?
The core is the ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum frequency of the STM32F091CCT7TR?
The maximum frequency is up to 48 MHz.
- How much Flash memory does the STM32F091CCT7TR have?
It has up to 256 Kbytes of Flash memory.
- What are the power supply ranges for the STM32F091CCT7TR?
The power supply ranges are 2.0 V to 3.6 V (VDD) and 2.4 V to 3.6 V (VDDA).
- What types of timers are available on the STM32F091CCT7TR?
It includes one 16-bit advanced-control timer, one 32-bit timer, and seven 16-bit timers.
- Does the STM32F091CCT7TR support low power modes?
Yes, it supports Sleep, Stop, and Standby low power modes.
- What communication interfaces are available on the STM32F091CCT7TR?
It includes two I2C interfaces, up to eight USARTs, two SPIs, and one CAN interface.
- What is the package type of the STM32F091CCT7TR?
The package type is LQFP 48 7x7x1.4 mm.
- Is the STM32F091CCT7TR RoHS compliant?
Yes, it is RoHS compliant with Ecopack2 certification.
- What is the temperature range for the STM32F091CCT7TR?
The temperature range is -40 to +85 °C or -40 to +105 °C.
