GD32F310K6
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            CoreCortex-M4, 72 MHz 
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            FamilyGD32F3x0 Series 
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            Sub-FamilyGD32F310 
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          CMSIS PackGD32F3x0_DFP
GD32F310 - ARM Cortex-M4 Core
          Frequency up to 72 MHz
          Flash access zero wait state
          Single-cycle multiplier and hardware divider
        Memories
          Flash size from 16KB to 64 KB
          SRAM size up to 8 KB with HW parity checking
          3KB ISP loader ROM
| Core | Processor Cortex-M4 | 
|---|---|
| Maximum Clock Frequency | 72 MHz | 
| Memory Protection Unit | MPU | 
| Floating Point Unit | |
| Trust Zone | |
| Digital Signal Processor | |
| CortexM Vector Extensions | |
| Endian | Little-endian | 
| Features | View features | 
Processor
Cortex-M4, 72 MHz
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      Clock Crystal Oscillator 4 MHz .. 32 MHz Crystal Oscillator Internal high-speed RC Oscillator 8 MHz Internal high-speed RC Oscillator Internal RC with Calibration 40 kHz Internal RC with Calibration RTC with 40 kHz calibrated Oscillator and Battery Backup 40 kHz RTC with 40 kHz calibrated Oscillator and Battery Backup Internal PLL 3 x Internal PLL 
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      Core features CRC Calculation Unit 1 x CRC Calculation Unit General Purpose DMA with Centralized FIFO and Burst Support 7-channel General Purpose DMA with Centralized FIFO and Burst Support NVIC NVIC with 68 interrupt sources 
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      Power Run, Sleep, Deep-Sleep, Standby 4 Run, Sleep, Deep-Sleep, Standby POR, PDR, PVD, and BPOR 1 x POR, PDR, PVD, and BPOR Voltage 2.6 V .. 3.6 V Voltage 
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      I/O External interrupt 24 External interrupt High-Performance ADC 1-channel x 12-bit High-Performance ADC Temperature sensor 1 x Temperature sensor IO pins 55 IO pins 
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      Spec Extended Operating Temperature Range -40 °C .. +85 °C Extended Operating Temperature Range 
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      Timer 32-bit General Purpose Timer 1 x 32-bit 32-bit General Purpose Timer 16-bit General Purpose Timer 5 x 16-bit 16-bit General Purpose Timer Advanced Timer 1 x 16-bit Advanced Timer SysTick Timer 1 x 24-bit SysTick Timer Watchdog timer 2 x Watchdog timer 
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      Communication Multi-Purpose Serial Interface Module: I2C, SPI, USART 3 x Multi-Purpose Serial Interface Module: I2C, SPI, USART High-Speed USART Interface 2 x 13.5 Mbit/s High-Speed USART Interface Full-Speed USB Device 1 x Full-Speed USB Device SDIO Interface 1 x 8-bit SDIO Interface Low-Power I2C 2 x Low-Power I2C SPI Interface 2 x 0 bit/s SPI Interface 
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      Controls Capacitive Touch Inputs 18 x Capacitive Touch Inputs