STM32L443CC datasheet(167/207 Pages) STMICROELECTRONICS

部件名	STM32L443CC

功能描述	Batch acquisition mode

PDF	207 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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167 / 207 page

DocID028739 Rev 2

167/207

STM32L443CC STM32L443RC STM32L443VC

Electrical characteristics

177

Figure 32. SPI timing diagram - slave mode and CPHA = 0

tv(SO)

Data output valid time

Slave mode 2.7 < VDD < 3.6 V

Voltage Range 1

12.5

13.5

Slave mode 1.71 < VDD < 3.6 V

Voltage Range 1

-12.5

Slave mode 1.71 < VDD < 3.6 V

Voltage Range 2

-12.5

tv(MO)

Master mode

4.5

th(SO)

Data output hold time

Slave mode

th(MO)

Master mode

1. Guaranteed by characterization results.

2. Maximum frequency in Slave transmitter mode is determined by the sum of tv(SO) and tsu(MI) which has to fit into SCK low or

high phase preceding the SCK sampling edge. This value can be achieved when the SPI communicates with a master

having tsu(MI) = 0 while Duty(SCK) = 50 %.

Table 82. SPI characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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