The STM32F091VCT6U microcontroller incorporates 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.
STM32F091VCT6U Features
Core: ARM? 32-bit Cortex?-M0 CPU, frequency up to 48 MHz
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 analogue supply: 2.4 V to 3.6 V
One 12-bit D/A converter (with 2 channels)
Two fast low-power analogue comparators with programmable input and output
Up to 24 capacitive sensing channels for touch key, linear and rotary touch sensors
Calendar RTC with alarm and periodic wakeup from Stop/Standby