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STM32MP151F датащи(PDF) 215 Page - STMicroelectronics |
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STM32MP151F датащи(HTML) 215 Page - STMicroelectronics |
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215 / 253 page ![]() DS12501 Rev 3 215/253 STM32MP151C/F Electrical characteristics 232 Figure 46. SPI timing diagram - slave mode and CPHA = 0 tsu(MI) Data input setup time Master mode 1 - - ns tsu(SI) Slave mode 2 - - th(MI) Data input hold time Master mode 3 - - th(SI) Slave mode 1 - - ta(SO) Data output access time Slave mode 9 11 16 tdis(SO) Data output disable time Slave mode 3 5 7.5 tv(SO) Data output valid time Slave mode 2.7 V ≤ VDD ≤ 3.6 V -11 13 Slave mode 1.71 V ≤ VDD ≤ 3.6 V -11 14 tv(MO) Master mode - 1.5 2.5 th(SO) Data output hold time Slave mode 1.71 V ≤ VDD ≤ 3.6 V 8- - th(MO) Master mode 1 - - 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 98. SPI dynamic 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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