GD32H757VMT7 datasheet(72/151 Pages) GIGADEVICE

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GD32H757xx Datasheet

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Sub-second adjustment by shift function.

The RTC provides a time which includes hour/minute/second/sub-second and a calendar

includes year/month/day/week day. The time and calendar are expressed in BCD code except

sub-second. Sub-second is expressed in binary code. Hour adjust for daylight saving time.

The RTC is an independent timer which provides a set of continuously running counters in

backup registers to provide a real calendar function, and provides an alarm interrupt or an

expected interrupt. It is not reset by a system or power reset, or when the device wakes up

from standby mode. A prescaler is used for the time base clock and is by default configured

to generate a time base of 1 second from a clock at 32.768 KHz from external crystal oscillator.

3.20.

Timers and PWM generation

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Two 16-bit Advanced timer (TIMER0 & TIMER7), four16-bit General-L0 timers (TIMER2,

TIMER3, TIMER30, TIMER31), four 32-bit General-L0 timers (TIMER1, TIMER4,

TIMER22, TIMER23), six 16-bit General-L3 timers (TIMER14, TIMER40, TIMER41,

TIMER42, TIMER43, TIMER44), two16-bit General-L4 timers (TIMER15, TIMER16), two

32-bit Basic timer (TIMER5 & TIMER6) and two 64-bit Basic timer (TIMER50 & TIMER51).

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Up to 70 independent channels of PWM, output compare or input capture for each general

timer and external trigger input.

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16-bit, motor control PWM advanced timer with programmable dead-time generation for

output match.

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Encoder interface controller with two inputs using quadrature decoder and non-

quadrature decoder mode.

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24-bit SysTick timer down counter.

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2 watchdog timers (free watchdog timer and window watchdog timer).

The advanced timer (

TIMER0 & TIMER7) can be used as a three-phase PWM multiplexed

on 6 channels. It has complementary PWM outputs with programmable dead-time generation.

It can also be used as a complete general timer. The 8 independent channels can be used

for input capture, output compare, PWM generation (edge-aligned or center-aligned counting

modes) and single pulse mode output.

If configured as a general 16-bit timer, it has the same

functions as the TIMERx timer. It can be synchronized with external signals or to interconnect

with other general timers together which have the same architecture and features.

The general level 0 timer, can be used for a variety of purposes including general timer, input

signal pulse width measurement or output waveform generation such as a single pulse

generation or PWM output, up to 4 independent channels for input capture/output compare.

TIMER1/4/22/23 is based on a 32-bit auto-reload up/downcounter and a 16-bit prescaler.

TIMER2/3/30/31 is based on a 16-bit auto-reload up/downcounter and a 16-bit prescaler. The

general level 0 timer also supports an encoder interface with two inputs using quadrature

decoder mode and non-quadrature decoder mode.

The general level3 timer module (TIMER14/40/41/42/43/44) is a three-channel timer that

supports both input capture and output compare. They can generate PWM signals to control

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