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STM32U385CG Datasheet(PDF) 177 Page - STMicroelectronics

Part # STM32U385CG
Description  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 144 DMIPS, 1 MB flash memory, 256 KB SRAM, SMPS, crypto
PDF  224 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32U385CG Datasheet(HTML) 177 Page - STMicroelectronics

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Figure 60. SPI timing diagram - slave mode and CPHA = 0
CPHA=0
CPOL=0
CPHA=0
CPOL=1
MISO output
MOSI input
tsu(SI)
th(SI)
tw(SCKL)
tw(SCKH)
tc(SCK)
th(NSS)
tdis(SO)
tsu(NSS)
ta(SO)
tv(SO)
Next bits IN
Last bit OUT
First bit IN
First bit OUT
Next bits OUT
th(SO)
Last bit IN
NSS input
Figure 61. SPI timing diagram - slave mode and CPHA = 1
th(SI)
tc(SCK)
tw(SCKH)
tw(SCKL)
tsu(NSS)
ta(SO)
tv(SO)
th(NSS)
tdis(SO)
tsu(SI)
NSS input
CPHA=1
CPOL=0
CPHA=1
CPOL=1
MISO output
MOSI input
First bit OUT
Next bits OUT
Last bit OUT
First bit IN
Last bit IN
Next bits IN
th(SO)
Note:
Measurement points are done at 0.3 VDD and 0.7 VDD levels.
STM32U385xx
Electrical characteristics
DS14830 - Rev 2
page 177/224



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