STM32F415VG datasheet(98/186 Pages) STMICROELECTRONICS

tên linh kiện	STM32F415VG

Giải thích chi tiết về linh kiện	ARM Cortex-M4 32b MCUFPU, 210DMIPS, up to 1MB Flash

PDF	186 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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98 / 186 page

Electrical characteristics

STM32F415xx, STM32F417xx

98/186

DocID022063 Rev 4

Figure 30. High-speed external clock source AC timing diagram

Figure 31. Low-speed external clock source AC timing diagram

High-speed external clock generated from a crystal/ceramic resonator

The high-speed external (HSE) clock can be supplied with a 4 to 26 MHz crystal/ceramic

resonator oscillator. All the information given in this paragraph are based on

characterization results obtained with typical external components specified in Table 31. In

the application, the resonator and the load capacitors have to be placed as close as

possible to the oscillator pins in order to minimize output distortion and startup stabilization

time. Refer to the crystal resonator manufacturer for more details on the resonator

characteristics (frequency, package, accuracy).

ai17528

OSC_IN

External

STM32F

clock source

VHSEH

tf(HSE)

tW(HSE)

90%

10%

THSE

tr(HSE)

tW(HSE)

fHSE_ext

VHSEL

ai17529

OSC32_IN

External

STM32F

clock source

VLSEH

tf(LSE)

tW(LSE)

90%

10%

TLSE

tr(LSE)

tW(LSE)

fLSE_ext

VLSEL

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