STM32H7 datasheet(195/357 Pages) STMICROELECTRONICS

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DS12110 Rev 10

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STM32H742xI/G STM32H743xI/G

Electrical characteristics (rev Y)

320

I2S interface characteristics

Unless otherwise specified, the parameters given in Table 107 for the I2S interface are

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

supply voltage conditions summarized in Table 24: 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: 0.5VDD

•

I/O compensation cell enabled

Refer to Section 6.3.15: I/O port characteristics for more details on the input/output alternate

function characteristics (CK, SD, WS).

Table 107. I2S dynamic characteristics(1)

Symbol

Parameter

Conditions

Min

Max

Unit

fMCK

I2S Main clock output

256x8K

256FS

MHz

fCK

I2S clock frequency

Master data

64FS

MHz

Slave data

64FS

tv(WS)

WS valid time

Master mode

3.5

th(WS)

WS hold time

Master mode

tsu(WS)

WS setup time

Slave mode

th(WS)

WS hold time

Slave mode

tsu(SD_MR)

Data input setup time

Master receiver

tsu(SD_SR)

Slave receiver

th(SD_MR)

Data input hold time

Master receiver

th(SD_SR)

Slave receiver

tv(SD_ST)

Data output valid time

Slave transmitter (after enable edge)

tv(SD_MT)

Master transmitter (after enable edge)

th(SD_ST)

Data output hold time

Slave transmitter (after enable edge)

th(SD_MT)

Master transmitter (after enable edge)

1. Guaranteed by characterization results.

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