STM32U375CE datasheet(167/222 Pages) STMICROELECTRONICS

Part #	STM32U375CE

Description	Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 144 DMIPS, 1 MB flash memory, 256 KB SRAM, SMPS

PDF	222 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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167 / 222 page

Figure 51. OCTOSPI HyperBus clock

CLK

t(NCLK)

tw(NCLKL)

tw(NCLKH)

tf(NCLK)

tr(NCLK)

tr(CLK)

tw(CLKH)

tw(CLKL)

t(CLK)

tf(CLK)

NCLK

VOD(CLK)

Figure 52. OCTOSPI HyperBus read

NCS

tACC= Initial access

Latency count

Command address

47:40 39:32 31:24

23:16

15:8

7:0

Dn+1

Host drives DQ[7:0] and the memory drives RWDS.

CLK, NCLK

RWDS

DQ[7:0]

Memory drives DQ[7:0] and RWDS.

tw(CS)

tv(RWDS)

tv(CLK)

tv(DS)

tv(DQ)

th(CLK)

th(DS)

tv(OUT)

th(OUT)

th(DQ)

ts(DQ)

Figure 53. OCTOSPI HyperBus read with double latency

NCS

RWR=Read/write recovery

tACC = Access

Additional latency

Command address

47:40 39:32 31:24 23:16 15:8

7:0

High = 2x latency count

Low = 1x latency count

Dn+1

Host drives DQ[7:0] and the memory drives RWDS.

RWDS and data

are edge aligned

CLK, NCLK

RWDS

DQ[7:0]

Memory drives DQ[7:0] and RWDS.

tCKDS

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 167/222

STM32U375CE Datasheet(PDF) 167 Page - STMicroelectronics

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