STM32U535NET6QTR datasheet(246/278 Pages) STMICROELECTRONICS

Part #	STM32U535NET6QTR

Description	Ultra-low-power Arm® Cortex®-M33 MCUTrustZone®FPU,240 DMIPS, up to 512 KB flash memory, 274 KB SRAM

PDF	278 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Electrical characteristics

STM32U535xx

246/278

DS14217 Rev 1

Figure 52. USART timing diagram in slave mode

5.3.35

SPI characteristics

Unless otherwise specified, the parameters given in the table below are derived from tests

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

summarized in Table 32.

•

Output speed set to OSPEEDRy[1:0] = 10

•

Capacitive load CL = 30 pF

•

Measurement points done at 0.5 × VDD level

•

I/O compensation cell activated

•

HSLV activated when VDD ≤ 2.7 V

Refer to Section 5.3.14: I/O port characteristics for more details on the input/output alternate

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

MSv65387V4

NSS

input

CPHA = 0

CPOL = 0

CPHA = 0

CPOL = 1

TX output

RX input

tsu(RX)

th(RX)

tw(CKL)

tw(CKH)

1/fCK

th(NSS)

tsu(NSS)

tv(TX)

Next bits IN

Last bit OUT

First bit IN

First bit OUT

Next bits OUT

th(TX)

Last bit IN

STM32U535NET6QTR Datasheet(PDF) 246 Page - STMicroelectronics

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