Overview
The STM32F091RCY6TR is a high-performance microcontroller from STMicroelectronics, part of the STM32F091xB/xC family. It features an ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. This microcontroller is designed for a wide range of applications, including application control, user interfaces, hand-held equipment, and industrial applications, among others. It is known for its high-speed embedded memories, extensive range of peripherals, and low-power modes, making it suitable for both high-performance and power-efficient designs.
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 |
| Supply Voltage | 2.0 V to 3.6 V (Digital & I/Os), 2.4 V to 3.6 V (Analog) |
| Operating Temperature | -40 °C to +85 °C, -40 °C to +105 °C |
| Package | WLCSP64 (3.35x3.59 mm) |
| 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, one CAN, HDMI CEC |
| Low Power Modes | Sleep, Stop, Standby |
| Other Features | 12-channel DMA controller, calendar RTC, serial wire debug (SWD), 96-bit unique ID |
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 peripherals including two I2C interfaces, two SPIs, up to eight USARTs, one CAN interface, and HDMI CEC
- Low power modes: Sleep, Stop, and Standby, with VBAT supply for RTC and backup registers
- Advanced clock management with crystal oscillators, internal RC oscillators, and PLL options
- Up to 88 fast I/Os, with up to 69 I/Os having 5V-tolerant capability
- 12-bit ADC and 12-bit DAC with two channels each
- Two fast low-power analog comparators and up to 24 capacitive sensing channels
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
Applications
The STM32F091RCY6TR is versatile and can be used in a wide range of applications, including:
- Application control and user interfaces
- Hand-held equipment
- A/V receivers and digital TV
- PC peripherals, gaming, and GPS platforms
- Industrial applications such as PLCs, inverters, printers, and scanners
- Alarm systems, video intercoms, and HVAC systems
Q & A
- What is the core of the STM32F091RCY6TR microcontroller?
The core is an ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. - How much Flash and SRAM memory does the STM32F091RCY6TR have?
It has 128 to 256 Kbytes of Flash memory and 32 Kbytes of SRAM with HW parity. - What is the operating voltage range of the STM32F091RCY6TR?
The operating voltage range is 2.0 V to 3.6 V for digital and I/Os, and 2.4 V to 3.6 V for analog supply. - What are the operating temperature ranges for the STM32F091RCY6TR?
The operating temperature ranges are -40 °C to +85 °C and -40 °C to +105 °C. - What package type does the STM32F091RCY6TR come in?
The package type is WLCSP64 (3.35x3.59 mm). - What communication interfaces are available on the STM32F091RCY6TR?
The microcontroller features two I2C interfaces, two SPIs, up to eight USARTs, one CAN interface, and HDMI CEC. - Does the STM32F091RCY6TR support low power modes?
Yes, it supports Sleep, Stop, and Standby low power modes. - What is the purpose of the 12-channel DMA controller in the STM32F091RCY6TR?
The 12-channel DMA controller is used to manage data transfer between peripherals and memory, reducing the load on the CPU. - Does the STM32F091RCY6TR have a real-time clock (RTC)?
Yes, it includes a calendar RTC with alarm and periodic wakeup from Stop/Standby. - What is the unique feature of the analog comparators in the STM32F091RCY6TR?
The analog comparators are fast and low-power with programmable input and output.
