The STM32F100 Value Line family incorporates the high-performance Arm® Cortex®-M3 32-bit RISC core operating at a 24 MHz frequency, high-speed embedded memories (Flash memory up to 512 Kbytes and SRAM up to 32 Kbytes), a flexible static memory control (FSMC) interface (for devices offered in packages of 100 pins and more) and an extensive range of enhanced peripherals and I/Os connected to two APB buses. All devices offer standard communication interfaces (up to two I2Cs, three SPIs, one HDMI CEC, up to three USARTs and 2 UARTS), one 12-bit ADC, two 12-bit DACs, up to 9 general-purpose 16-bit timers and an advanced-control PWM timer.