STM32F051X8 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F051X8

ARM®-based 32-bit MCU, 16 to 64 KB Flash, 11 timers, ADC, DAC and communication interfaces, 2.0-3.6 V

STMicroelectronics 

STM32F051x4 STM32F051x6 STM32F051x8

Electrical characteristics

Table 64. I2S characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

tsu(SD_MR) Data input setup time

Master receiver

6

tsu(SD_SR)

Slave receiver

2

th(SD_MR)(2)

th(SD_SR)(2)

Data input hold time

Master receiver

Slave receiver

4

0.5

tv(SD_MT)(2)

tv(SD_ST)(2)

Data output valid time

Master transmitter

Slave transmitter

-

-

th(SD_MT)

Data output hold time

Master transmitter

0

th(SD_ST)

Slave transmitter

13

1. Data based on design simulation and/or characterization results, not tested in production.

2. Depends on fPCLK. For example, if fPCLK = 8 MHz, then TPCLK = 1/fPLCLK = 125 ns.

Max

-

-

-

-

4

20

-

-

Figure 32. I2S slave timing diagram (Philips protocol)

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WF&.

Unit

ns

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WZ&./

WK:6

WVX:6

/6%WUDQVPLW

WVX6'B65

/6%UHFHLYH

06%WUDQVPLW

06%UHFHLYH

WY6'B67

%LWQWUDQVPLW

WK6'B65

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WK6'B67

/6%UHFHLYH

06Y9

1. Measurement points are done at CMOS levels: 0.3 × VDDIOx and 0.7 × VDDIOx.

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

byte.

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