The STMicroelectronics STM32 F2 series is based on the ARM® Cortex™-M3 32-bit microcontrollers that operate up to 120 MHz. STM32F207/217 Integrates Flash, SRAM, Ethernet MAC, high speed USB 2.0 OTG, camera interface, hardware encryption support and external memory interface.
The STM32 MCU processors feature 12-bit ADCs, DACs, 16-bit timers, 32-bit timers, a RTC and a true number random generator (RNG). As well as standard communication interfaces with advanced peripherals including an SDIO, an enhanced flexible static memory control (FSMC) interface and a camera interface for CMOS sensors.

Flash memory: Up to 1MB
SRAM: Up to 128 KB
Set of power saving modes
Two PWM timers for motor control
Different peripherals depending on the MCU
SDIO interface, Ethernet and camera interface (STM32F207xx only)
I²C, SPI, I²S, USARTs, USB OTG high-speed, USB OTG, CANs
Real time memory accelerator (ART Accelerator™)
Pin to pin compatibility with the other STM32 products
Temperature ranges: -40 to +105 °C

STM32F2 Series 32-Bit ARM® Cortex®-M3 Microcontrollers, STMicroelectronics

The STM32 family of 32-bit Flash Microcontrollers is based on the breakthrough ARM Cortex™-M3 core - a core specifically developed for embedded applications. The STM32 family benefits from the Cortex-M3 architectural enhancements.

120MHz Cortex™-M3 CPU
Excellent real-time behaviour
Oustanding power efficiency
Superior and innovative peripherals
Maximum integration
Cross family pin-to-pin, peripheral and software compatibility