STM32F407OE 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F407OE

ARM Cortex-M4 32b MCU+FPU, 210DMIPS, up to 1MB Flash/192+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

STMicroelectronics 

STM32F405xx, STM32F407xx

Electrical characteristics

Table 51. Characteristics of TIMx connected to the APB1 domain(1)

Symbol

Parameter

Conditions

Min

Max

Unit

tres(TIM)

fEXT

Timer resolution time

AHB/APB1

prescaler distinct

from 1, fTIMxCLK =

84 MHz

AHB/APB1

prescaler = 1,

fTIMxCLK = 42 MHz

Timer external clock

frequency on CH1 to CH4

1

11.9

1

23.8

0

0

-

-

-

-

fTIMxCLK/2

42

ResTIM

tCOUNTER

Timer resolution

-

16-bit counter clock

period when internal clock

is selected

32-bit counter clock

period when internal clock

is selected

fTIMxCLK = 84 MHz

APB1= 42 MHz

1

0.0119

1

0.0119

16/32

65536

780

-

51130563

tMAX_COUNT Maximum possible count

- 65536 × 65536

-

51.1

tTIMxCLK

ns

tTIMxCLK

ns

MHz

MHz

bit

tTIMxCLK

µs

tTIMxCLK

µs

tTIMxCLK

s

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

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