STM32L4P5CEU6PTR datasheet(264/311 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L4P5xx

264/311

DS12903 Rev 2

6.3.29

OCTOSPI characteristics

Unless otherwise specified, the parameters given in Table 115 and Table 116 for OCTOSPI

are derived from tests performed under the ambient temperature, fAHB frequency and VDD

supply voltage conditions summarized in Table 21: General operating conditions, with the

following configuration:

•

Output speed is set to OSPEEDRy[1:0] = 11

•

Measurement points are done at CMOS levels: 0.5 x VDD

Refer to Section 6.3.14: I/O port characteristics for more details on the input/output alternate

function characteristics.

Table 115. OCTOSPI(1) characteristics in SDR mode(2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

F(QCK)

OCTOSPI clock

frequency

1.71 V < VDD< 3.6 V

Voltage Range V1

CLOAD = 20 pF

MHz

2.7 V < VDD< 3.6 V

Voltage Range V1

CLOAD = 20 pF

1.71 V < VDD< 3.6 V

Voltage Range V1

CLOAD = 15 pF

1.71 V < VDD< 3.6 V

Voltage Range 2

CLOAD = 20 pF

tw(CKH) OCTOSPI clock high

and low time

Even division

Prescaler[7:0] =

n = 0,1,3,5

t(CK)/2-0.5

t(CK)/2

tw(CKL)

t(CK)/2-0.5

t(CK)/2

tw(CKH) OCTOSPI clock high

and low time

Odd division

Prescaler[7:0] =

n = 2,4,6,8

(n/2)*t(CK)/(n+1)- 0.5

(n/2)*t(CK)/(n+1)

tw(CKL)

(n/2+1)*t(CK)/(n+1) -0.5

(n/2+1)*t(CK)/(n+1)

ts(IN)

Data input setup time

Voltage Range V1

Voltage Range V2

0.5

th(IN)

Data input hold time

Voltage Range V1

4.5

Voltage Range V2

9.5

tv(OUT) Data output valid time

Voltage Range V1

Voltage Range V2

th(OUT) Data output hold time

Voltage Range V1

Voltage Range V2

1. Values in the table applies to Octal and Quad SPI mode.

2. Guaranteed by characterization results.

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