STM32F372VB datasheet(94/128 Pages) STMICROELECTRONICS

94 / 128 page

Electrical characteristics

STM32F37x

94/128

Doc ID 022691 Rev 3

Table 59.

I2S characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

DuCy(SCK)(1)

I2S slave input clock duty

cycle

Slave mode

fCK

(1)

1/tc(CK)

I2S clock frequency

Master mode (data: 16 bits, Audio

frequency = 48 kHz)

1.528

1.539

MHz

Slave mode

12.288

tr(CK)

(1)

tf(CK)

I2S clock rise and fall time

Capacitive load CL =30pF

tv(WS)

(1)

WS valid time

Master mode

th(WS)

(1)

WS hold time

Master mode

tsu(WS)

(1)

WS setup time

Slave mode

th(WS)

(1)

WS hold time

Slave mode

tw(CKH)

(1)

I2S clock high time

Master fPCLK= 16 MHz, audio

frequency = 48 kHz

306

tw(CKL)

(1)

I2S clock low time

312

tsu(SD_MR)

(1)

Data input setup time

Master receiver

tsu(SD_SR)

(1)

Slave receiver

th(SD_MR)

(1)

Data input hold time

Master receiver

1.5

th(SD_SR)

(1)

Slave receiver

1.5

tv(SD_ST)

(1)

Data output valid time

Slave transmitter

(after enable edge)

th(SD_ST)

(1)

Data output hold time

Slave transmitter

(after enable edge)

tv(SD_MT)

(1)

Data output valid time

Master transmitter

(after enable edge)

th(SD_MT)

(1)

Data output hold time

Master transmitter

(after enable edge)

Data based on design simulation, not tested in production.

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