STM32C011D4U6 datasheet(78/94 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32C011x4/x6

78/94

DS13866 Rev 3

1. Measurement points are done at CMOS levels: 0.3 VDDIO1 and 0.7 VDDIO1.

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

byte.

Figure 26. I2S master timing diagram (Philips protocol)

1. Evaluated by characterization – Not tested in production.

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

byte.

USART characteristics

Unless otherwise specified, the parameters given in Table 63 for USART are derived from

tests performed under the ambient temperature, fPCLKx frequency and supply voltage

conditions summarized in Table 23: General operating conditions. The additional general

conditions are:

•

OSPEEDRy[1:0] set to 10 (output speed)

•

capacitive load C = 30 pF

•

measurement points at CMOS levels: 0.5 x VDD

Refer to Section 5.3.13: I/O port characteristics for more details on the input/output alternate

function characteristics (NSS, CK, TX, and RX for USART).

MSv39720V1

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

tf(CK)

tr(CK)

tv(WS)

LSB receive(2)

LSB transmit(2)

10%

90%

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