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STM32L552CCT3PTR Datasheet(PDF) 300 Page - STMicroelectronics |
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STM32L552CCT3PTR Datasheet(HTML) 300 Page - STMicroelectronics |
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300 / 340 page  Electrical characteristics STM32L552xx 300/340 DS12737 Rev 6 The following table summarizes the parameters measured in DTR mode (with DQS) / HyperBus. Table 148. OCTOSPI characteristics in DTR mode (with DQS)(1)/Octal and HyperBus Symbol Parameter Conditions Min Typ Max Unit F(CLK) OCTOSPI clock frequency 1.71<VDD<3.6 Voltage ranges 0/1 20 pF -- 58(2) MHz 2.7<VDD<3.6 Voltage ranges 0/1 20 pF -- 76(2) 1.71<VDD<3.6 Voltage range 2 20 pF -- 26(2) tw(CKH) OCTOSPI clock high and low time Even division - t(CK)/2 -1 - t(CK)/2 +0.5 ns tw(CKL) t(CK)/2 -0.5 -t(CK)/2+0.5 tw(CKH) OCTOSPI clock high and low time Odd division - (n/2)×t(CK)/(n+1) -0.5 - (n/2)×t(CK)/(n+1) +0.5 tw(CKL) (n/2+1)×t(CK)/ (n+1) - 0.5 - (n/2+1)*×(CK)/ (n+1)+0.5 tv(CK) Clock valid time -- - t(CK) + 2 th(CK) Clock hold time - t(CK)/2 -0.5 -- VODr(CK)(3) CK,CK# crossing level on CK rising edge VDD=1v8 832 - 1050 mV VODf(CK)(3) CK,CK# crossing level on CK falling edge VDD=1v8 840 - 1071 |
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