STM32F372VB datasheet(95/128 Pages) STMICROELECTRONICS

95 / 128 page

STM32F37x

Electrical characteristics

Doc ID 022691 Rev 3

95/128

Figure 27. I2S slave timing diagram (Philips protocol)(1)

Measurement points are done at 0.5VDD level and with external CL = 30 pF.

LSB transmit/receive of the previously transmitted byte. No LSB transmit/receive is sent before the first

byte.

Figure 28. I2S master timing diagram (Philips protocol)(1)

Measurement points are done at 0.5VDD level and with external CL = 30 pF.

LSB transmit/receive of the previously transmitted byte. No LSB transmit/receive is sent before the first

byte.

CPOL = 0

CPOL = 1

tc(CK)

WS input

SDtransmit

SDreceive

tw(CKH)

tw(CKL)

tsu(WS)

tv(SD_ST)

th(SD_ST)

th(WS)

tsu(SD_SR)

th(SD_SR)

MSB receive

Bitn receive

LSB receive

MSB transmit

Bitn transmit

LSB transmit

ai14881b

LSB receive(2)

LSB transmit(2)

CPOL = 0

CPOL = 1

tc(CK)

WS output

SDreceive

SDtransmit

tw(CKH)

tw(CKL)

tsu(SD_MR)

tv(SD_MT)

th(SD_MT)

th(WS)

th(SD_MR)

MSB receive

Bitn receive

LSB receive

MSB transmit

Bitn transmit

LSB transmit

ai14884b

tf(CK)

tr(CK)

tv(WS)

LSB receive(2)

LSB transmit(2)

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