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STM32WB10CC датащи(PDF) 99 Page - STMicroelectronics |
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STM32WB10CC датащи(HTML) 99 Page - STMicroelectronics |
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99 / 110 page ![]() DS13259 Rev 2 99/110 STM32WB10CC Electrical characteristics 102 Table 76. SPI characteristics(1) Symbol Parameter Conditions Min Typ Max Unit fSCK 1/tc(SCK) SPI clock frequency Master mode 2.0 < VDD < 3.6 V -- 32 MHz Slave receiver mode 2.0 < VDD < 3.6 V -- 32 Slave mode transmitter/full duplex 2.7 < VDD < 3.6 V -- 32(2) Slave mode transmitter/full duplex 2.0 < VDD < 3.6 V -- 24(2) tsu(NSS) NSS setup time Slave mode, SPI prescaler = 2 4 x TPCLK -- - th(NSS) NSS hold time Slave mode, SPI prescaler = 2 2 x TPCLK -- tw(SCKH) tw(SCKL) SCK high and low time Master mode TPCLK - 1.5 TPCLK TPCLK + 1 tsu(MI) Data input setup time Master mode 6.5 - - ns tsu(SI) Slave mode 1.5 - - th(MI) Data input hold time Master mode 4.5 - - th(SI) Slave mode 1.5 - - ta(SO) Data output access time Slave mode 9.0 - 34 tdis(SO) Data output disable time 9.0 - 16 tv(SO) Data output valid time Slave mode 2.7 < VDD < 3.6 V - 10.5 13.0 Slave mode 2.0 < VDD < 3.6 V - 10.5 20.5 tv(MO) Master mode (after enable edge) - 2.5 3.0 th(SO) Data output hold time Slave mode (after enable edge) 8.0 - - th(MO) Master mode (after enable edge) 1.0 - - 1. Evaluated by characterization, not tested in production. 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 %. |
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