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STM32L433CB датащи(PDF) 183 Page - STMicroelectronics |
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STM32L433CB датащи(HTML) 183 Page - STMicroelectronics |
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183 / 225 page ![]() DS11449 Rev 5 183/225 STM32L433xx Electrical characteristics 193 Figure 34. 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 ns Slave mode 1.71 < VDD < 3.6 V Voltage Range 1 -12.5 24 Slave mode 1.71 < VDD < 3.6 V Voltage Range 2 -12.5 33 tv(MO) Master mode - 4.5 6 th(SO) Data output hold time Slave mode 7 - - ns th(MO) Master mode 0 - - 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 95. SPI characteristics(1) (continued) Symbol Parameter Conditions Min Typ Max Unit MSv41658V1 NSS input CPHA=0 CPOL=0 CPHA=0 CPOL=1 MISO output MOSI input tsu(SI) th(SI) tw(SCKL) tw(SCKH) tc(SCK) tr(SCK) th(NSS) tdis(SO) tsu(NSS) ta(SO) tv(SO) Next bits IN Last bit OUT First bit IN First bit OUT Next bits OUT th(SO) tf(SCK) Last bit IN |
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