STM32L443CC datasheet(172/207 Pages) STMICROELECTRONICS

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Electrical characteristics

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DocID028739 Rev 2

SAI characteristics

Unless otherwise specified, the parameters given in Table 85 for SAI are derived

from tests performed under the ambient temperature, fPCLKx frequency and VDD

supply voltage conditions summarized inTable 20: 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 85. 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 1

-18.5

MHz

Master transmitter

1.71 ≤ VDD ≤ 3.6

Voltage Range 1

-12.5

Master receiver

Voltage Range 1

-25

Slave transmitter

2.7 ≤ VDD ≤ 3.6

Voltage Range 1

-22.5

Slave transmitter

1.71 ≤ VDD ≤ 3.6

Voltage Range 1

-14.5

Slave receiver

Voltage Range 1

-25

Voltage Range 2

12.5

tv(FS)

FS valid time

Master mode

2.7 ≤ VDD ≤ 3.6

-22

Master mode

1.71 ≤ VDD ≤ 3.6

-40

th(FS)

FS hold time

Master mode

tsu(FS)

FS setup time

Slave mode

th(FS)

FS hold time

Slave mode

tsu(SD_A_MR)

Data input setup time

Master receiver

tsu(SD_B_SR)

Slave receiver

1.5

th(SD_A_MR)

Data input hold time

Master receiver

th(SD_B_SR)

Slave receiver

2.5

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