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STM32U5A5QJ Datasheet(PDF) 339 Page - STMicroelectronics

Part # STM32U5A5QJ
Description  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU,240 DMIPS, 4 MB Flash, 2.5 MB SRAM, LTDC, MIPI® DSI, crypto
PDF  382 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32U5A5QJ Datasheet(HTML) 339 Page - STMicroelectronics

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DS13543 Rev 1
339/382
STM32U5Axxx
Electrical characteristics
348
Figure 77. USART timing diagram in slave mode
5.3.41
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 33.
•
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



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