STM32C011F6U6 datasheet(74/94 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32C011x4/x6

74/94

DS13866 Rev 3

support Fm+ low-level output current maximum requirement. Refer to Section 5.3.13: I/O

port characteristics for the I2C I/Os characteristics.

All I2C SDA and SCL I/Os embed an analog filter. Refer to the following table for its

characteristics:

SPI/I2S characteristics

Unless otherwise specified, the parameters given in Table 61 for SPI 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 11 (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, SCK, MOSI, MISO for SPI).

Table 60. I2C analog filter characteristics(1)

Symbol

Parameter

Min

Max

Unit

tAF

Limiting duration of spikes suppressed

by the filter(2)

260

1. Specified by design – Not tested in production.

2. Spikes shorter than the limiting duration are suppressed.

Table 61. SPI characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fSCK

1/tc(SCK)

SPI clock frequency

Master mode

2. V < VDD < 3.6 V

MHz

Master transmitter mode

2. V < VDD < 3.6 V

Slave receiver mode

Slave transmitter mode/full duplex(2)

2.7 V < VDD < 3.6 V

Slave transmitter mode/full duplex(2)

2 V < VDD < 3.6 V

tsu(NSS) NSS setup time

Slave mode

4 * TPCLK

th(NSS) NSS hold time

2 * TPCLK

tw(SCKH)

tw(SCKL)

SCK high and low time Master mode

TPCLK

- 1

TPCLK

+ 1

SCK low time

Master mode

TPCLK

- 2

TPCLK

+ 2

tsu(MI)

Data input setup time

Master mode

4.5

tsu(SI)

Slave mode

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