Overview
The STM32F091VCH7 microcontroller, produced by STMicroelectronics, is part of the STM32F091xB/xC family. It incorporates the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. This device features high-speed embedded memories, including up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM. The microcontroller is equipped with an extensive range of enhanced peripherals and I/Os, making it suitable for a wide range of applications.
The STM32F091VCH7 operates within a temperature range of -40 to +85 °C (or -40 to +105 °C for some packages) 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.
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 |
| CRC Calculation Unit | Yes |
| Reset and Power Management | Power-on/Power down reset (POR/PDR), Programmable voltage detector (PVD) |
| Power Supply | Digital & I/Os supply: VDD = 2.0 V to 3.6 V, Analog supply: VDDA = VDD to 3.6 V |
| Low Power Modes | Sleep, Stop, Standby |
| 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 (18 Mbit/s), one CAN interface, HDMI CEC wakeup |
| Package | UFBGA 100 7x7x0.6 P 0.5 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
- Standard communication interfaces: I2C, SPI, USART, CAN, HDMI CEC
- Advanced timers: seven 16-bit timers, one 32-bit timer, and one 16-bit advanced-control timer for PWM output
- Analog features: 12-bit ADC (up to 16 channels), 12-bit DAC with two channels, and two fast low-power analog comparators
- Low power modes: Sleep, Stop, Standby, and VBAT supply for RTC and backup registers
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- 96-bit unique ID and serial wire debug (SWD)
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 of the STM32F091VCH7 microcontroller?
The core is an ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz.
- How much Flash memory does the STM32F091VCH7 have?
The device has up to 256 Kbytes of Flash memory.
- What are the power supply ranges for the STM32F091VCH7?
The device operates with a digital & I/Os supply of VDD = 2.0 V to 3.6 V and an analog supply of VDDA = VDD to 3.6 V.
- What are the low power modes available on the STM32F091VCH7?
The device supports Sleep, Stop, and Standby low power modes.
- What communication interfaces are available on the STM32F091VCH7?
The device includes two I2C interfaces, up to eight USARTs, two SPIs, one CAN interface, and HDMI CEC wakeup.
- What is the package type of the STM32F091VCH7?
The package type is UFBGA 100 7x7x0.6 P 0.5 mm.
- What are the temperature ranges for the STM32F091VCH7?
The device operates in the -40 to +85 °C (or -40 to +105 °C for some packages) temperature range.
- Does the STM32F091VCH7 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the purpose of the 96-bit unique ID in the STM32F091VCH7?
The 96-bit unique ID is used for device identification and security purposes.
- What debug interface is available on the STM32F091VCH7?
The device supports serial wire debug (SWD).
