¡El GD32F130xx device incorporates the ARM® Cortex®-M3 32-bit processor core operating at 72 MHz frequency with Flash accesses zero wait states to obtain maximum efficiency. It provides up to 64 KB on-chip Flash memory and up to 8 KB SRAM memory. An extensive range of enhanced I/Os and peripherals connected to two APB buses. ¡El devices offer one 12-bit ADC, up to five general 16-bit timers, a general 32-bit timer, a PWM advanced timer, as well as standard and advanced communication interfaces: up to two SPIs, two I2Cs and two USARTs. ¡El device operates from a 2.6 to 3.6 V power supply and available in –40 to +85 °C temperature range. Several power saving modes provide the flexibility for maximum optimization between wakeup latency and power consumption, an especially important consideration in low power applications. ¡El above features make the GD32F130xx devices suitable for a wide range of applications, especially in areas such as industrial control, motor drives, user interface, power monitor and alarm systems, consumer and handheld equipment, gaming and GPS, E-bike and so on.