GD32F303CE
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            CoreCortex-M4, 120 MHz 
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            FamilyGD32F30x Series 
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            Sub-FamilyGD32F303 
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          CMSIS PackGD32F30x_DFP
GD32F303 - ARM Cortex-M4 Core
          Frequency up to 120 MHz
          Flash access zero wait state
          Single-cycle multiplier and hardware divider
        Memories
          Flash size from 128KB to 3072KB
          SRAM size is 96 KB with HW parity checking
          6KB ISP loader ROM
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        Features Device GD32F303CE 
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          MemoryIRAM1 64 KiB IROM1 512 KiB