STM32H7 datasheet(304/357 Pages) STMICROELECTRONICS

부품명	STM32H7

상세설명	32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces

PDF	357 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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304 / 357 page

Electrical characteristics (rev V)

STM32H742xI/G STM32H743xI/G

304/357

DS12110 Rev 10

Figure 102. USART timing diagram in Slave mode

SPI interface characteristics

Unless otherwise specified, the parameters given in Table 205 for SPI are derived from tests

performed under the ambient temperature, fPCLKx frequency and VDD supply voltage

conditions summarized in Table 122: General operating conditions, with the following

configuration:

•

Output speed is set to OSPEEDRy[1:0] = 11

•

Capacitive load CL = 30 pF

•

Measurement points are done at CMOS levels: 0.5VDD

•

IO Compensation cell activated.

•

HSLV activated when VDD ≤ 2.7 V

•

VOS level set to VOS1

Refer to Section 7.3.15: I/O port characteristics for more details on the input/output alternate

function characteristics (NSS, SCK, MOSI, MISO for SPI).

MSv65387V1

NSS

input

CPHA=0

CPOL=0

CPHA=0

CPOL=1

TX output

RX input

tsu(RX)

th(RX)

tw(SCKL)

tw(SCKH)

tc(SCK)

tr(SCK)

th(NSS)

tdis(TX)

tsu(NSS)

ta(TX)

tv(TX)

Next bits IN

Last bit OUT

First bit IN

First bit OUT

Next bits OUT

th(TX)

tf(SCK)

Last bit IN

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