STM32F446ME datasheet(129/201 Pages) STMICROELECTRONICS

No. de pieza	STM32F446ME

Descripción Electrónicos	8- to 14-bit parallel camera interface up to 54 Mbytes

PDF	201 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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129 / 201 page

DocID027107 Rev 5

129/201

STM32F446xC/E

Electrical characteristics

174

SPI interface characteristics

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

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

conditions summarized in Table 16, with the following configuration:

•

Output speed is set to OSPEEDRy[1:0] = 10

•

Capacitive load C=30pF

•

Measurement points are done at CMOS levels: 0.5VDD

Refer to Section 6.3.17: I/O port characteristics for more details on the input/output alternate

function characteristics (NSS, SCK, MOSI, MISO for SPI).

Table 63. SPI dynamic characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fSCK

1/tc(SCK)

SPI clock frequency

Master full duplex/receiver mode,

2.7 V≤VDD≤3.6 V

SPI1/4

MHz

Master transmitter

1.71V <VDD< 3.6V

SPI1/4

Master

1.71V <VDD< 3.6V

SPI1/2/3/4

22.5

Slave transmitter/

full duplex mode

SPI1/4

2.7V <VDD< 3.6V

Slave receiver mode

SPI1/4

1.71V <VDD< 3.6V

Slave mode

SPI1/2/3/4

1.71V <VDD< 3.6V

22.5(2)

Duty(SCK)

Duty cycle of SPI clock

frequency

Slave mode

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