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GD32H757VMT7 Folha de dados(PDF) 136 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD32H757VMT7 Folha de dados(HTML) 136 Page - GigaDevice Semiconductor (Beijing) Inc. |
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136 / 151 page ![]() GD32H757xx Datasheet 135 Symbol Parameter Min Max Unit td(CLKH-NExH) EXMC_CLK high to EXMC_NEx high 2*Tfclk-1 — ns td(CLKL-NADVL) EXMC_CLK low to EXMC_NADV low 0 — ns td(CLKL-NADVH) EXMC_CLK low to EXMC_NADV high 0 — ns td(CLKL-AV) EXMC_CLK low to EXMC_Ax valid 0 — ns td(CLKH-AIV) EXMC_CLK high to EXMC_Ax invalid 2*Tfclk-1 — ns td(CLKL-NWEL) EXMC_CLK low to EXMC_NWE low 0 — ns td(CLKH-NWEH) EXMC_CLK high to EXMC_NWE high 2*Tfclk-1 — ns td(CLKL-ADIV) EXMC_CLK low to EXMC_AD invalid 0 — ns td(CLKL-DATA) EXMC_A/D valid data after EXMC_CLK low 0 — ns th(CLKL-NBLH) EXMC_CLK low to EXMC_NBL high 0 — ns (1) CL = 30 pF. (2) Value guaranteed by design, not 100% tested in production. Table 4-77. Synchronous non-multiplexed PSRAM / NOR read timings(1)(2) Symbol Parameter Min Max Unit tw(CLK) EXMC_CLK period Texmc_clk — ns td(CLKL-NExL) EXMC_CLK low to EXMC_NEx low 0 — ns td(CLKH-NExH) EXMC_CLK high to EXMC_NEx high 2*Tfclk-1 — ns td(CLKL-NADVL) EXMC_CLK low to EXMC_NADV low 0 — ns td(CLKL-NADVH) EXMC_CLK low to EXMC_NADV high 0 — ns td(CLKL-AV) EXMC_CLK low to EXMC_Ax valid 0 — ns td(CLKH-AIV) EXMC_CLK high to EXMC_Ax invalid 2*Tfclk-1 — ns td(CLKL-NOEL) EXMC_CLK low to EXMC_NOE low 0 — ns td(CLKH-NOEH) EXMC_CLK high to EXMC_NOE high 2*Tfclk-1 — ns (1) CL = 30 pF. (2) Value guaranteed by design, not 100% tested in production. Table 4-78. Synchronous non-multiplexed PSRAM write timings(1)(2) Symbol Parameter Min Max Unit tw(CLK) EXMC_CLK period Texmc_clk — ns td(CLKL-NExL) EXMC_CLK low to EXMC_NEx low 0 — ns td(CLKH-NExH) EXMC_CLK high to EXMC_NEx high 2*Tfclk-1 — ns td(CLKL-NADVL) EXMC_CLK low to EXMC_NADV low 0 — ns td(CLKL-NADVH) EXMC_CLK low to EXMC_NADV high 0 — ns td(CLKL-AV) EXMC_CLK low to EXMC_Ax valid 0 — ns td(CLKH-AIV) EXMC_CLK high to EXMC_Ax invalid 2*Tfclk-1 — ns td(CLKL-NWEL) EXMC_CLK low to EXMC_NWE low 0 — ns td(CLKH-NWEH) EXMC_CLK high to EXMC_NWE high 2*Tfclk-1 — ns td(CLKL-DATA) EXMC_A/D valid data after EXMC_CLK low 0 — ns th(CLKL-NBLH) EXMC_CLK low to EXMC_NBL high 0 — ns (1) CL = 30 pF. (2) Value guaranteed by design, not 100% tested in production. |
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