Cheap And Discounts GD32F330R8T6 Package LQFP-64 ARM Cortex-M4 84MHz Flash: 64KB RAM: 16KB MCU (MCU/MPU/SOC) Wholesale. Buy Directly From Merchant Wan Xingda Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.