STM32F358XC datasheet(21/134 Pages) STMICROELECTRONICS

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STM32F358xC

Functional overview

3.16

Fast comparators (COMP)

The STM32F358xC devices embed seven fast rail-to-rail comparators with programmable

reference voltage (internal or external), hysteresis and speed (low speed for low-power) and

with selectable output polarity.

The reference voltage can be one of the following:

•

External I/O

•

DAC output pin

•

Internal reference voltage or submultiple (1/4, 1/2, 3/4). Refer to Table 26: Embedded

internal reference voltage on page 57 for the value and precision of the internal

reference voltage.

All comparators can wake up from STOP mode, generate interrupts and breaks for the

timers and can be also combined per pair into a window comparator

3.17

Timers and watchdogs

The STM32F358xC devices include up to two advanced control timers, up to 6 general-

purpose timers, two basic timers, two watchdog timers and a SysTick timer. The table below

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

Note:

TIM1/8 can have PLL as clock source, and therefore can be clocked at 144 MHz.

Table 5. Timer feature comparison

Timer type

Timer

Counter

resolution

Counter

type

Prescaler

factor

DMA

request

generation

Capture/

compare

Channels

Complementary

outputs

Advanced

TIM1, TIM8

16-bit

Up, Down,

Up/Down

Any integer

between 1

and 65536

Yes

General-

purpose

TIM2

32-bit

Up, Down,

Up/Down

Any integer

between 1

and 65536

Yes

General-

purpose

TIM3, TIM4

16-bit

Up, Down,

Up/Down

Any integer

between 1

and 65536

Yes

General-

purpose

TIM15

16-bit

Any integer

between 1

and 65536

Yes

General-

purpose

TIM16, TIM17

16-bit

Any integer

between 1

and 65536

Yes

Basic

TIM6, TIM7

16-bit

Any integer

between 1

and 65536

Yes

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