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STM32L151RDT6 датащи(PDF) 92 Page - STMicroelectronics |
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STM32L151RDT6 датащи(HTML) 92 Page - STMicroelectronics |
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92 / 140 page ![]() Electrical characteristics STM32L151xD STM32L152xD 92/140 Doc ID 022027 Rev 6 Figure 23. Synchronous non-multiplexed NOR/PSRAM read timings Table 43. Synchronous non-multiplexed NOR/PSRAM read timings(1) 1. CL = 30 pF. Symbol Parameter Min Max Unit tw(CLK) FSMC_CLK period 2*THCLK - 0.5 - ns td(CLKL-NExL) FSMC_CLK low to FSMC_NEx low (x = 0...2) - 0 ns td(CLKL-NExH) FSMC_CLK low to FSMC_NEx high (x = 0...2) 0 - ns td(CLKL-NADVL) FSMC_CLK low to FSMC_NADV low - 3 ns td(CLKL-NADVH) FSMC_CLK low to FSMC_NADV high 3.5 - ns td(CLKL-AV) FSMC_CLK low to FSMC_Ax valid (x = 16...25) - 0 ns td(CLKL-AIV) FSMC_CLK low to FSMC_Ax invalid (x = 16...25) 0 - ns td(CLKL-NOEL) FSMC_CLK low to FSMC_NOE low - THCLK + 1 ns td(CLKL-NOEH) FSMC_CLK low to FSMC_NOE high 2.5 - ns tsu(DV-CLKH) FSMC_D[15:0] valid data before FSMC_CLK high 4 - ns th(CLKH-DV) FSMC_D[15:0] valid data after FSMC_CLK high 4 - ns tsu(NWAITV-CLKH) FSMC_NWAIT valid before FSMC_CLK high TBD - ns th(CLKH-NWAITV) FSMC_NWAIT valid after FSMC_CLK high TBD - ns FSMC_CLK FSMC_NEx FSMC_A[25:0] FSMC_NOE FSMC_D[15:0] D1 D2 FSMC_NWAIT (WAITCFG = 1b, WAITPOL + 0b) FSMC_NWAIT (WAITCFG = 0b, WAITPOL + 0b) tw(CLK) tw(CLK) Data latency = 0 BUSTURN = 0 td(CLKL-NExL) td(CLKL-NExH) td(CLKL-AV) td(CLKL-AIV) td(CLKL-NOEL) td(CLKL-NOEH) tsu(DV-CLKH) th(CLKH-DV) tsu(DV-CLKH) th(CLKH-DV) tsu(NWAITV-CLKH) th(CLKH-NWAITV) tsu(NWAITV-CLKH) t h(CLKH-NWAITV) tsu(NWAITV-CLKH) th(CLKH-NWAITV) ai14894f FSMC_NADV td(CLKL-NADVL) td(CLKL-NADVH) |
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