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STM32F446ME датащи(PDF) 160 Page - STMicroelectronics |
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STM32F446ME датащи(HTML) 160 Page - STMicroelectronics |
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160 / 201 page ![]() Electrical characteristics STM32F446xC/E 160/201 DocID027107 Rev 5 Table 94. Synchronous multiplexed NOR/PSRAM read timings(1)(2) 1. CL = 30 pF. 2. Guaranteed based on test during characterization. Symbol Parameter Min Max Unit tw(CLK) FMC_CLK period 2THCLK - ns td(CLKL-NExL) FMC_CLK low to FMC_NEx low (x=0..2) - 2.5 td(CLKH_NExH) FMC_CLK high to FMC_NEx high (x= 0…2) THCLK - 0.5 - td(CLKL-NADVL) FMC_CLK low to FMC_NADV low - 0 td(CLKL-NADVH) FMC_CLK low to FMC_NADV high 0 - td(CLKL-AV) FMC_CLK low to FMC_Ax valid (x=16…25) - 2.5 td(CLKH-AIV) FMC_CLK high to FMC_Ax invalid (x=16…25) THCLK - td(CLKL-NOEL) FMC_CLK low to FMC_NOE low - 2 td(CLKH-NOEH) FMC_CLK high to FMC_NOE high THCLK – 0.5 - td(CLKL-ADV) FMC_CLK low to FMC_AD[15:0] valid - 0.5 td(CLKL-ADIV) FMC_CLK low to FMC_AD[15:0] invalid 0 - tsu(ADV-CLKH) FMC_A/D[15:0] valid data before FMC_CLK high 1 - th(CLKH-ADV) FMC_A/D[15:0] valid data after FMC_CLK high 3.5 - tsu(NWAIT-CLKH) FMC_NWAIT valid before FMC_CLK high 1 - th(CLKH-NWAIT) FMC_NWAIT valid after FMC_CLK high 3.5 - |
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