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STM32F303RE 数据表(PDF) 99 Page - STMicroelectronics |
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STM32F303RE 数据表(HTML) 99 Page - STMicroelectronics |
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99 / 173 page ![]() DocID026415 Rev 5 99/173 STM32F303xD STM32F303xE Electrical characteristics 151 Figure 22. Asynchronous multiplexed PSRAM/NOR read timings Table 50. Asynchronous multiplexed PSRAM/NOR read timings(1) Symbol Parameter Min Max Unit tw(NE) FMC_NE low time 3THCLK-0.5 3THCLK+1 ns tv(NOE_NE) FMC_NEx low to FMC_NOE low 2THCLK 2THCLK+1 tw(NOE) FMC_NOE low time THCLK-2 THCLK+2 th(NE_NOE) FMC_NOE high to FMC_NE high hold time 0 - tv(A_NE) FMC_NEx low to FMC_A valid - 1.5 tv(NADV_NE) FMC_NEx low to FMC_NADV low 0 2 tw(NADV) FMC_NADV low time THCLK-2 THCLK+2 th(AD_NADV) FMC_AD(address) valid hold time after FMC_NADV high 0 - th(A_NOE) Address hold time after FMC_NOE high THCLK-0.5 - th(BL_NOE) FMC_BL time after FMC_NOE high 0 - |
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