GD32F310 datasheet(36/81 Pages) GIGADEVICE

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GD32F310xx Datasheet

The ADC can be triggered from the events generated by the general level 0 timers (TIMER2)

and the advanced timer (TIMER0) with internal connection. The temperature sensor can be

used to generate a voltage that varies linearly with temperature. It is internally connected to

the ADC_IN16 input channel which is used to convert the sensor output voltage in a digital

value.

3.7

DMA



7 channel DMA controller



Peripherals supported: Timers, ADC, SPIs, I2Cs, USARTs and I2S

The flexible general-purpose DMA controllers provide a hardware method of transferring data

between peripherals and/or memory without intervention from the CPU, thereby freeing up

bandwidth for other system functions. Three types of access method are supported:

peripheral to memory, memory to peripheral, memory to memory.

Each channel is connected to fixed hardware DMA requests. The priorities of DMA channel

requests are determined by software configuration and hardware channel number. Transfer

size of source and destination are independent and configurable.

3.8

General-purpose inputs/outputs (GPIOs)



Up to 39 fast GPIOs, all mappable on 16 external interrupt lines



Analog input/output configurable



Alternate function input/output configurable

There are up to 39 general purpose I/O pins (GPIO) in GD32F310xx, named PA0 ~ PA15 and

PB0 ~ PB15, PC13 ~ PC15, PF0, PF1, PF6, PF7 to implement logic input/output functions.

Each of the GPIO ports has related control and configuration registers to satisfy the

requirements of specific applications. The external interrupts on the GPIO pins of the device

have related control and configuration registers in the Interrupt/event controller (EXTI). The

GPIO ports are pin-shared with other alternative functions (AFs) to obtain maximum flexibility

on the package pins. Each of the GPIO pins can be configured by software as output (push-

pull, open-drain), as input (with or without pull-up or pull-down) or as peripheral alternate

function. Most of the GPIO pins are shared with digital or analog alternate functions. All GPIOs

are high-current capable except for analog inputs.

3.9

Timers and PWM generation



One 16-bit advanced timer (TIMER0) and five 16-bit general timers (TIMER2, TIMER13

~ TIMER16)



Up to 4 independent channels of PWM, output compare or input capture for each general

timer and external trigger input

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