STM32F100RBH7B 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F100RBH7B

Low & medium-density value line, advanced ARM®-based 32-bit MCU with 16 to 128 KB Flash, 12 timers, ADC, DAC & 8 comm interfaces

STMicroelectronics 

Electrical characteristics

STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB

5.3.6

External clock source characteristics

High-speed external user clock generated from an external source

The characteristics given in Table 19 result from tests performed using an high-speed

external clock source, and under the ambient temperature and supply voltage conditions

summarized in Table 8.

Table 19. High-speed external user clock characteristics

Symbol

Parameter

Conditions

Min Typ Max Unit

fHSE_ext

User external clock source

frequency(1)

VHSEH

OSC_IN input pin high level

voltage(1)

VHSEL

OSC_IN input pin low level

voltage(1)

tw(HSEH)

tw(HSEL)

OSC_IN high or low time(1)

tr(HSE)

tf(HSE)

OSC_IN rise or fall time(1)

Cin(HSE) OSC_IN input capacitance(1)

DuCy(HSE) Duty cycle(1)

IL

OSC_IN Input leakage current

1. Guaranteed by design.

1

8

24 MHz

0.7VDD -

VDD

V

-

VSS

- 0.3VDD

5

-

-

ns

-

-

20

-

-

5

-

pF

-

45

-

55

%

VSS ≤VIN ≤VDD

-

-

±1

µA

Figure 18. High-speed external clock source AC timing diagram

9+6(+





9+6(/

WU+6(

WZ+6(+

7+6(

WI+6(

WZ+6(/

W

06Y9

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