STM32F103X8 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F103X8

Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces

STMicroelectronics 

Electrical characteristics

Figure 11. High-speed external clock source AC timing diagram

STM32F103xx

VHSEH

VHSEL

90%

10%

tr(HSE)

tf(HSE)

THSE

EXTER NAL

fHSE_ext

CLOCK SOURC E

OSC _IN

tW(HSE)

IL

STM32F103xx

Figure 12. Low-speed external clock source AC timing diagram

tW(HSE) t

ai14143

VLSEH

VLSEL

90%

10%

tr(LSE)

tf(LSE)

TLSE

EXTER NAL

CLOCK SOURC E

fLSE_ext

OSC32_IN

tW(LSE)

tW(LSE) t

IL

STM32F103xx

ai14144b

34/67

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