STM32F407IG datasheet(93/154 Pages) STMICROELECTRONICS

93 / 154 page

STM32F405xx, STM32F407xx

Electrical characteristics

Doc ID 022152 Rev 1

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5.3.18

TIM timer characteristics

The parameters given in Table 47 and Table 48 are guaranteed by design.

Refer to Section 5.3.16: I/O port characteristics for details on the input/output alternate

function characteristics (output compare, input capture, external clock, PWM output).

Table 47.

Characteristics of TIMx connected to the APB1 domain(1)(2)

TIMx is used as a general term to refer to the TIM2, TIM3, TIM4, TIM5, TIM6, TIM7, and TIM12 timers.

TBD stands for “to be defined”.

Symbol

Parameter

Conditions

Min

Max

Unit

tres(TIM)

Timer resolution time

AHB/APB1

prescaler distinct

from 1, fTIMxCLK =

84 MHz

tTIMxCLK

11.9

AHB/APB1

prescaler = 1,

fTIMxCLK = 42 MHz

tTIMxCLK

23.8

fEXT

Timer external clock

frequency on CH1 to CH4

fTIMxCLK = 84 MHz

APB1= 42 MHz

fTIMxCLK/2

MHz

042

MHz

ResTIM

Timer resolution

16/32

bit

tCOUNTER

16-bit counter clock period

when internal clock is

selected

65536

tTIMxCLK

0.0119

TBD

µs

32-bit counter clock period

when internal clock is

selected

tTIMxCLK

0.0119

TBD

µs

tMAX_COUNT Maximum possible count

65536 × 65536

tTIMxCLK

-TBD

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