STM32U375CE datasheet(179/222 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

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Table 124. JTAG characteristics

Evaluated by characterization. Not tested in production.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

FTCK

TCK clock frequency

1.71 V ≤ VDDIOX ≤ 3.6 V

MHz

tisu(TMS)

TMS input setup time

tih(TMS)

TMS input hold time

0.5

tisu(TDI)

TDI input setup time

1.5

tih(TDI)

TDI input hold time

0.5

tov(TDO)

TDO output valid time

1.71 V ≤ VDDIOX ≤ 3.6 V

13.5

14.5

toh(TDO)

TDO output hold time

8.5

Figure 65. JTAG timing diagram

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

Table 125. SWD characteristics

Evaluated by characterization. Not tested in production.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

FSWCLK

SWCLK clock frequency

2.7 V ≤ VDDIOX ≤ 3.6 V

MHz

1.71 V ≤ VDDIOX ≤ 3.6 V

tisu(SWDIO)

SWDIO input setup time

2.5

tih(SWDIO)

SWDIO input hold time

0.5

tov(SWDIO)

SWDIO output valid time

2.7 V ≤ VDDIOX ≤ 3.6 V

11.5

1.71 V ≤ VDDIOX ≤ 3.6 V

11.5

toh(SWDIO)

SWDIO output hold time

9.5

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 179/222

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