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GD32 Entry-Level MCUs utilize leading processes and core architectures to provide developers with enhanced processing power, larger storage capacity, and richer on-chip resources, while reducing costs. The Entry-Level product lineup includes 3 product series and 7 product lines, catering to diverse cost-sensitive application scenarios such as industrial control, motor drives, human-machine interface, power monitoring and alarm systems, consumer and handheld equipment, gaming and GPS, E-bikes and more. These products provide customers with the opportunity to replace or enhance the legacy 8-bit and 16-bit product solutions, enabling a direct upgrade to the high-speed mainstream 32-bit Cortex® architecture. Arm® Cortex®-M23 is the successor of the Arm® Cortex®-M0 and Cortex®-M0+ which is based on the latest Arm®v8-M architecture of embedded microprocessor cores. It adopts a Von Neumann two-stage pipelined structure and supports the complete Arm®v8-M reference instruction set while maximizing code compactness. Moreover, it is compatible with all Arm®v6-M instructions allowing engineers to easily transfer code from Arm® Cor tex®-M0/M0+ processors to the Arm® Cortex®-M23. Additionally, the new Arm® Cortex®-M23 core is equipped with independent resources such as single-cycle hardware multipliers, hardware dividers, hardware frequency dividers, nested vectored interrupt controllers (NVICs), enhancing debug error correction and traceability for easier development. Subsequent products can also benefit from TrustZone® technology designed to support trusted and non-trusted software isolation and protection in hardware and to meet multiple security requirements

Features

The GD32E502 product series incorporates the Arm® Cortex®-M33 32-bit processor core operating at up to 100 MHz frequency. It provides up to 384 KB on-chip Flash memory and up to 48 KB SRAM. An extensive range of enhanced I/Os and peripherals are connected to two APB buses. The product series offers two 12-bit ADCs, one DAC, one comparator, up to one general 16-bit timer, two basic timers, four PWM advanced timers, as well as standard and advanced communication interfaces: up to two SPIs, two I2Cs, three USARTs, one I2S, and two CANs. Additional peripherals such as trigger selection controller (TRIGSEL), multi-function communication interface (MFCOM), DMA request multiplexer (DMAMUX) are included. The GD32E502 product series operates from a 2.7 to 5.5 V power supply and is available in a –40 to +125 °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. These features make the GD32E502 product series suitable for a wide range of applications, especially in areas such as industrial control, motor drives, user interfaces, power monitoring and alarm systems, consumer and handheld equipment, gaming and GPS, E-bikes, optical module and more.