ARM®Cortex®-M3 microcontroller, 32-bit, 2V, 16 KB, LQFP-48

The STM32F103x4 performance line family incorporates the high-performance ARM®Cortex®-M3 32-bit RISC core operating at a 72 MHz frequency, high-speed embedded memories (Flash memory up to 32 Kbytes and SRAM up to 6 Kbytes), + an extensive range of enhanced I/Os + peripherals connected to 2 APB buses. All devices offer 2x 12-bit ADCs, 3x general purpose 16-bit timers + 1x PWM timer, as well as standard and advanced communication interfaces: up to 2x I2Cs and SPIs, 3x USARTs, a USB + CAN.

2.0 to 3.6 V power supply. –40 to +85°C temperature range. A comprehensive set of power-saving mode enables the design of low-power applications.
These features make the STM32F103xx low-density performance line microcontroller family suitable for a wide range of applications such as motor drives, application control, medical and handheld equipment, PC and gaming peripherals, GPS platforms, industrial applications, PLCs, inverters, printers, scanners, alarm systems, video intercoms and HVACs.