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STM32F398VE датащи(PDF) 89 Page - STMicroelectronics |
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STM32F398VE датащи(HTML) 89 Page - STMicroelectronics |
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89 / 151 page ![]() DocID027227 Rev 2 89/151 STM32F398VE Electrical characteristics 142 1. Based on characterization, not tested in production Table 44. Asynchronous non-multiplexed SRAM/PSRAM/NOR write-NWAIT timings(1) 1. Based on characterization, not tested in production Symbol Parameter Min Max Unit tw(NE) FMC_NE low time 11THCLK+1 11THCLK+2 ns tw(NWE) FMC_NWE low time 6THCLK-1 6THCLK+2 tsu(NWAIT_NE) FMC_NWAIT valid before FMC_NEx high 5THCLK-0.5 - th(NE_NWAIT) FMC_NEx hold time after FMC_NWAIT invalid 4THCLK+2 - Table 45. Asynchronous multiplexed PSRAM/NOR read-NWAIT timings(1) 1. Based on characterization, not tested in production Symbol Parameter Min Max Unit tw(NE) FMC_NE low time 11THCLK+2 11THCLK+2 ns tw(NOE) FMC_NWE low time 6THCLK-1 6THCLK+1.5 tsu(NWAIT_NE) FMC_NWAIT valid before FMC_NEx high 4THCLK+14 - th(NE_NWAIT) FMC_NEx hold time after FMC_NWAIT invalid 4THCLK-4 - |
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