STM32U375CE datasheet(164/222 Pages) STMICROELECTRONICS

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•

Measurement points done at 0.5 × VDD level

•

I/O compensation cell activated

•

HSLV activated when VDD ≤ 2.7 V

•

Voltage scaling range 1

Refer to Table 86. I/O static characteristics for more details on the input/output alternate function characteristics.

Table 111. OCTOSPI characteristics in SDR mode

Measured values in this table apply to Octo- and Quad-SPI data modes. Delay block bypassed.

Evaluated by characterization. Not tested in production.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

f(CLK)

OCTOSPI clock frequency

2.7 V < VDDIOX < 3.6 V Voltage range 1

CL = 15 pF

MHz

1.71 V < VDDIOX < 3.6 V Voltage range 1

CL = 15 pF

1.71 V < VDDIOX < 3.6 V Voltage range 2

CL = 15 pF

1.08 V ≤ VDDIO2 ≤ 1.32 V

CL = 15 pF

tw(CLKH) OCTOSPI clock high and low time

(even division)

PRESCALER[7:0] = n (n = 0, 1, 3, 5,..255)

t(CLK)/2 - 0.5

t(CLK)/2

tw(CLKL)

tw(CLKH)

OCTOSPI clock high and low time

(odd division)

PRESCALER[7:0] = n (n = 2, 4, 6,..254)

(n/2) × t(CLK)/(n+1)

- 0.5

(n/2) × t(CLK)/

(n+1)

tw(CLKL)

((n/2)+1) × t(CLK)/

(n+1) - 0.5

((n/2)+1) ×

t(CLK)/(n+1)

ts(DQ)

Data input setup time

Voltage range 1

Voltage range 2

th(DQ)

Data input hold time

Voltage range 1

Voltage range 2

3.5

tv(OUT) Data output valid time

Voltage range 1

Voltage range 2

1.5

3.5

th(OUT) Data output hold time

Voltage range 1

Voltage range 2

Table 112. OCTOSPI characteristics in DTR mode (no DQS)

Measured values in this table apply to Octo- and Quad-SPI data modes. Delay block bypassed.

Evaluated by characterization. Not tested in production.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

f(CLK)

OCTOSPI clock frequency

1.71 V < VDDIOX < 3.6 V Voltage range 1

CL = 15 pF

48(1)

MHz

1.71 V < VDDIOX < 3.6 V Voltage range 2

CL = 15 pF

24(1)

1.08 V ≤ VDDIO2 ≤ 1.32 V

CL = 15 pF

15(1)

tw(CLKH) OCTOSPI clock high and low

time (even division)

PRESCALER[7:0] = n (n = 0, 1, 3, 5,..255)

t(CLK)/2 - 0.5

t(CLK)/2 + 0.5

tw(CLKL)

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 164/222

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