STM32F091VCT7                 Description

The STM32F091xB/xC microcontrollers incorporate the high-performance ARM? Cortex?-M0 32-bit RISC core operating at up to 48 MHz frequency, high-speed embedded memories (up to 256 Kbytes of Flash memory and 32 Kbytes of SRAM), and an extensive range of enhanced peripherals and I/Os. The device offers standard communication interfaces (two I2Cs, two SPIs/one I2S, one HDMI CEC and up to eight USARTs), one CAN, one 12-bit ADC, one 12-bit DAC with two channels, seven 16-bit timers, one 32-bit timer and an advanced-control PWM timer.

STM32F091VCT7                 Features

? Core: ARM? 32-bit Cortex?-M0 CPU,

frequency up to 48 MHz

? Memories

– 128 to 256 Kbytes of Flash memory

– 32 Kbytes of SRAM with HW parity

? CRC calculation unit

? Reset and power management

– Digital & I/Os supply: VDD = 2.0 V to 3.6 V

– Analog supply: VDDA = VDD to 3.6 V

– Power-on/Power down reset (POR/PDR)

– Programmable voltage detector (PVD)

– Low power modes: Sleep, Stop, Standby

– VBAT supply for RTC and backup registers

? Clock management

– 4 to 32 MHz crystal oscillator

– 32 kHz oscillator for RTC with calibration

– Internal 8 MHz RC with x6 PLL option

– Internal 40 kHz RC oscillator

– Internal 48 MHz oscillator with automatic

trimming based on ext. synchronization

? Up to 88 fast I/Os

– All mappable on external interrupt vectors

– Up to 69 I/Os with 5V-tolerant capability

and 19 with independent supply VDDIO2

? 12-channel DMA controller

? One 12-bit, 1.0 μs ADC (up to 16 channels)

– Conversion range: 0 to 3.6 V

– Separate analog supply: 2.4 V to 3.6 V

? One 12-bit D/A converter (with 2 channels)

? 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

STM32F091VCT7                         Applications

These features make the STM32F091xB/xC microcontrollers suitable for a wide range of

applications such as 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.