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STM32G474CB 데이터시트(PDF) 175 Page - STMicroelectronics |
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STM32G474CB 데이터시트(HTML) 175 Page - STMicroelectronics |
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175 / 232 page ![]() DS12288 Rev 1 175/232 STM32G474xB STM32G474xC STM32G474xE Electrical characteristics 201 Figure 34. SPI timing diagram - slave mode and CPHA = 0 tv(SO) Data output valid time Slave mode 2.7 V < VDD < 3.6 V Voltage Range V1 -9 12 ns Slave mode 1.71 V < VDD < 3.6 V Voltage Range V1 -9 18 Slave mode 1.71 V < VDD < 3.6 V Voltage Range V2 -13 22 tv(MO) Master mode - 3.5 4.5 th(SO) Data output hold time Slave mode 1.71 V < VDD < 3.6 V 6 - - Slave mode Range V2 9 - - th(MO) Master mode 2 - - 1. Guaranteed by characterization results. 2. The 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 89. SPI characteristics(1) (continued) Symbol Parameter Conditions Min Typ Max(2) Unit |
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