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STM32F103RG датащи(PDF) 66 Page - STMicroelectronics |
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STM32F103RG датащи(HTML) 66 Page - STMicroelectronics |
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66 / 120 page ![]() Electrical characteristics STM32F103xF, STM32F103xG 66/120 Doc ID 16554 Rev 3 Figure 25. Asynchronous multiplexed PSRAM/NOR write waveforms Table 35. Asynchronous multiplexed PSRAM/NOR write timings(1) 1. CL = 15 pF. Symbol Parameter Min Max Unit tw(NE) FSMC_NE low time 5tHCLK + 0.5 5tHCLK + 2 ns tv(NWE_NE) FSMC_NEx low to FSMC_NWE low tHCLK + 1 tHCLK + 1.5 ns tw(NWE) FSMC_NWE low time 3tHCLK + 0.5 3tHCLK + 1 ns th(NE_NWE) FSMC_NWE high to FSMC_NE high hold time tHCLK – 0.5 - ns tv(A_NE) FSMC_NEx low to FSMC_A valid - 3.5 ns tv(NADV_NE) FSMC_NEx low to FSMC_NADV low 0 1 ns tw(NADV) FSMC_NADV low time tHCLK + 0.5 tHCLK + 1.5 ns th(AD_NADV) FSMC_AD (address) valid hold time after FSMC_NADV high tHCLK – 0.5 - ns th(A_NWE) Address hold time after FSMC_NWE high 4tHCLK – 2 - ns tv(BL_NE) FSMC_NEx low to FSMC_BL valid - 0.5 ns th(BL_NWE) FSMC_BL hold time after FSMC_NWE high tHCLK – 1.5 - ns tv(Data_NADV) FSMC_NADV high to Data valid - tHCLK + 6 ns th(Data_NWE) Data hold time after FSMC_NWE high tHCLK – 0.5 - ns NBL Data FSMC_NEx FSMC_NBL[1:0] FSMC_AD[15:0] tv(BL_NE) th(Data_NWE) FSMC_NOE Address FSMC_A[25:16] tv(A_NE) tw(NWE) FSMC_NWE tv(NWE_NE) t h(NE_NWE) th(A_NWE) th(BL_NWE) t v(A_NE) tw(NE) ai14891B Address FSMC_NADV t v(NADV_NE) tw(NADV) t v(Data_NADV) th(AD_NADV) |
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