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STM32F103xC 数据表(PDF) 64 Page - STMicroelectronics |
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STM32F103xC 数据表(HTML) 64 Page - STMicroelectronics |
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64 / 123 page ![]() Electrical characteristics STM32F103xC, STM32F103xD, STM32F103xE 64/123 Doc ID 14611 Rev 7 Figure 26. Asynchronous multiplexed PSRAM/NOR read waveforms Table 33. Asynchronous multiplexed PSRAM/NOR read timings(1)(2) 1. CL = 15 pF. 2. Based on characterization, not tested in production. Symbol Parameter Min Max Unit tw(NE) FSMC_NE low time 7THCLK – 2 7THCLK + 2 ns tv(NOE_NE) FSMC_NEx low to FSMC_NOE low 3THCLK – 0.5 3THCLK + 1.5 ns tw(NOE) FSMC_NOE low time 4THCLK – 1 4THCLK + 2 ns th(NE_NOE) FSMC_NOE high to FSMC_NE high hold time –1 ns tv(A_NE) FSMC_NEx low to FSMC_A valid 0 ns tv(NADV_NE) FSMC_NEx low to FSMC_NADV low 3 5 ns tw(NADV) FSMC_NADV low time THCLK –1.5 THCLK + 1.5 ns th(AD_NADV) FSMC_AD (address) valid hold time after FSMC_NADV high THCLK ns th(A_NOE) Address hold time after FSMC_NOE high THCLK ns th(BL_NOE) FSMC_BL hold time after FSMC_NOE high 0 ns tv(BL_NE) FSMC_NEx low to FSMC_BL valid 0 ns tsu(Data_NE) Data to FSMC_NEx high setup time 2THCLK + 24 ns tsu(Data_NOE) Data to FSMC_NOE high setup time 2THCLK + 25 ns th(Data_NE) Data hold time after FSMC_NEx high 0 ns th(Data_NOE) Data hold time after FSMC_NOE high 0 ns NBL Data FSMC_NBL[1:0] FSMC_AD[15:0] tv(BL_NE) th(Data_NE) Address FSMC_A[25:16] tv(A_NE) FSMC_NWE t v(A_NE) ai14892b Address FSMC_NADV t v(NADV_NE) tw(NADV) tsu(Data_NE) th(AD_NADV) FSMC_NE FSMC_NOE tw(NE) t w(NOE) tv(NOE_NE) t h(NE_NOE) th(A_NOE) th(BL_NOE) tsu(Data_NOE) th(Data_NOE) |
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