With the release of Cyclone software v11.70 and PROG-HL-ARM software v10.00, PEmicro development and production programmers now support the GigaDevice GD32F50x microcontrollers. The GD32F503 and GD32F505 contain a High Performance Cortex®-M33 with up to 1 MB of flash program memory. GD32F5 series high-performance MCUs offer significantly expanded storage space, excellent processing efficiency, and a wide array of interface options. Compliant with the system-level IEC61508 SIL2 functional safety standard, they provide a comprehensive software and hardware security solution to meet the industrial market's demands for high reliability and security applications.