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GD32F310xx Datasheet

Functional description

3.1

Arm® Cortex®-M4 core

The Arm® Cortex®-M4 processor is a high performance embedded processor with DSP

instructions which allow efficient signal processing and complex algorithm execution. It brings

an efficient, easy-to-use blend of control and signal processing capabilities to meet the digital

signal control markets demand. The processor is highly configurable enabling a wide range

of implementations from those requiring memory protection and powerful trace technology to

cost sensitive devices requiring minimal area, while delivering outstanding computational

performance and an advanced system response to interrupts.

32-bit Arm® Cortex®-M4 processor core:



Up to 72 MHz operation frequency



Single-cycle multiplication and hardware divider



Floating Point Unit (FPU)



Integrated DSP instructions



Integrated Nested Vectored Interrupt Controller (NVIC)



24-bit SysTick timer

The Cortex®-M4 processor is based on the Armv7-M architecture and supports both Thumb

and Thumb-2 instruction sets. Some system peripherals listed below are also provided by

Cortex®-M4:



Internal Bus Matrix connected with ICode bus, DCode bus, system bus, Private

Peripheral Bus (PPB) and debug accesses (AHB-AP)



Nested Vectored Interrupt Controller (NVIC)



Flash Patch and Breakpoint (FPB)



Data Watchpoint and Trace (DWT)



Instrument Trace Macrocell (ITM)



Serial Wire Debug Port (SW-DP)



Trace Port Interface Unit (TPIU)

3.2

On-chip memory



Up to 64 Kbytes of Flash memory

 The region of the MCU executing instructions without waiting time is up to 64K bytes (in

case that Flash size equal to 16K, 32K or 64K, all memory is no waiting time). A long

delay when CPU fetches the instructions out of the range.



Up to 8 Kbytes of SRAM with hardware parity checking

The Arm® Cortex®-M4 processor is structured in Harvard architecture which can use separate

buses to fetch instructions and load/store data. 64 Kbytes of inner Flash at most, which

includes code Flash and data Flash is available for storing programs and data, and there is

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