STM32H562VG datasheet(46/270 Pages) STMICROELECTRONICS

46 / 270 page

Functional overview

STM32H562xx and STM32H563xx

46/270

DS14258 Rev 5

The PKA main features are:

•

ECDSA signature verification

•

Capability to handle operands up to 640 bits

•

AMBA AHB slave peripheral, accessible through 32-bit word single accesses only

(otherwise an AHB bus error is generated, and write accesses are ignored)

3.33

Timers and watchdogs

The devices include two advanced control timers, up to seven general-purpose timers, two

basic timers, six low-power timers, two watchdog timers and two SysTick timers.

Table 6 compares the features of the advanced control, general-purpose and basic timers.

3.33.1

Advanced-control timers (TIM1, TIM8)

These timers can be seen as a three-phase PWM multiplexed on six channels. They have

complementary PWM outputs with programmable inserted dead-times. They can also be

seen as complete general-purpose timers.

The four independent channels can be used for:

•

Input capture

•

Output compare

•

PWM generation (edge or center-aligned modes) with full modulation capability

(0 - 100 %)

•

One-pulse mode output

In Debug mode, the advanced-control timer counter can be frozen and the PWM outputs

disabled to turn off any power switches driven by these outputs.

Many features are shared with the general-purpose TIMx timers (described in the next

section) using the same architecture, so the advanced-control timers can work together with

the TIMx timers via the Timer Link feature for synchronization or event chaining.

Table 6. Timer features

Type

Timer

Counter

resolution

Counter

type

Prescaler

factor

DMA

request

generation

Capture/

compare

channels

Complementary

outputs

Advanced

control

TIM1, TIM8

16 bits

Up, down,

up/down

Any integer

between 1 and

65536

Yes

General

purpose

TIM2, TIM5

32 bits

TIM3, TIM4

16 bits

General

purpose

TIM12, TIM15

16 bits

TIM13, TIM14,

TIM16, TIM17

Basic

TIM6, TIM7

16 bits

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