STM32L4P5CEU6P datasheet(243/311 Pages) STMICROELECTRONICS

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DS12903 Rev 2

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STM32L4P5xx

Electrical characteristics

277

SAI characteristics

Unless otherwise specified, the parameters given in Table 97 for SAI are derived from tests

performed under the ambient temperature, fPCLKx frequency and VDD supply voltage condi-

tions summarized inTable 21: General operating conditions, with the following configuration:

•

Output speed is set to OSPEEDRy[1:0] = 10

•

Capacitive load C = 30 pF

•

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 (CK,SD,FS).

Table 97. SAI characteristics(1)

Symbol

Parameter

Conditions

Min

Max

Unit

fMCLK

SAI Main clock output

MHz

fCK

SAI clock frequency(2)

Master transmitter

2.7 ≤ VDD ≤ 3.6

Voltage Range V1

-30

Master transmitter

1.71 ≤ VDD ≤ 3.6

Voltage Range V1

-20

Master receiver

Voltage Range V1

-15

Slave transmitter

2.7 ≤ VDD ≤ 3.6

Voltage Range V1

-38

Slave transmitter

1.71 ≤ VDD ≤ 3.6

Voltage Range V1

-26

Slave receiver

Voltage Range V1

-50

Voltage Range V2

1.08V<VDD< 1.32V

tv(FS)

FS valid time

Master mode

2.7 ≤ VDD ≤ 3.6

-15

Master mode

1.71 ≤ VDD ≤ 3.6

-22

th(FS)

FS hold time

Master mode

tsu(FS)

FS setup time

Slave mode

2.5

th(FS)

FS hold time

Slave mode

tsu(SD_A_MR)

Data input setup time

Master receiver

tsu(SD_B_SR)

Slave receiver

th(SD_A_MR)

Data input hold time

Master receiver

3.5

th(SD_B_SR)

Slave receiver

1.5

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