STM32F446XC Datasheet, PDF (31/202 Pages) STMicroelectronics – ARM Cortex-M4 32b MCU+FPU, 225DMIPS, up to 512kB Flash/128+4KB RAM, USB OTG HS/FS, 17 TIMs, 3 ADCs, 20 comm. interfaces

STM32F446xC/E
Functional overview
3.21
Timers and watchdogs
The devices include two advanced-control timers, eight general-purpose timers, two basic
timers and two watchdog timers.
All timer counters can be frozen in debug mode.
Table 6 compares the features of the advanced-control, general-purpose and basic timers.
Table 6. Timer feature comparison
Timer
type
Timer
Counter
resolution
Counter
type
Prescaler
factor
DMA
request
generation
Capture/
compare
channels
Complementary
output
Max
interface
clock
(MHz)
Max
timer
clock
(MHz)⁽¹⁾
Advanced- TIM1,
control TIM8
16-bit
Up, Any integer
Down, between 1
Up/down and 65536
Yes
4
TIM2,
TIM5
32-bit
Up, Any integer
Down, between 1
Up/down and 65536
Yes
4
TIM3,
TIM4
16-bit
Up, Any integer
Down, between 1
Up/down and 65536
Yes
4
Any integer
TIM9
16-bit
Up
between 1
No
2
General
and 65536
purpose
TIM10,
TIM11
16-bit
Any integer
Up
between 1
No
and 65536
1
Any integer
TIM12 16-bit
Up
between 1
No
2
and 65536
TIM13,
TIM14
16-bit
Any integer
Up
between 1
No
and 65536
1
Basic
TIM6,
TIM7
16-bit
Any integer
Up
between 1
Yes
and 65536
0
Yes
90
180
No
45
90/180
No
45
90/180
No
90
180
No
90
180
No
45
90/180
No
45
90/180
No
45
90/180
1. The maximum timer clock is either 90 or 180 MHz depending on TIMPRE bit configuration in the RCC_DCKCFGR
register.
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