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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM62A7 датащи(PDF) 199 Page - Texas Instruments |
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AM62A7 датащи(HTML) 199 Page - Texas Instruments |
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199 / 238 page  Table 7-119. OSPI0 Switching Characteristics – PHY DDR Mode see Figure 7-102 NO. PARAMETER MODE MIN MAX UNIT O1 tc(CLK) Cycle time, OSPI0_CLK 19 ns O2 tw(CLKL) Pulse duration, OSPI0_CLK low ((0.475P(1)) - 0.3) ns O3 tw(CLKH) Pulse duration, OSPI0_CLK high ((0.475P(1)) - 0.3) ns O4 td(CSn-CLK) Delay time, OSPI0_CSn[3:0] active edge to OSPI0_CLK rising edge ((0.475P(1)) - (0.975M(2)R(4))) ((0.525P(1)) - (1.025M(2)R(4)) + 7) ns O5 td(CLK-CSn) Delay time, OSPI0_CLK rising edge to OSPI0_CSn[3:0] inactive edge ((0.475P(1)) + (0.975N(3)R(4)) - 7) ((0.525P(1)) + (1.025N(3)R(4))) ns O6 td(CLK-D) Delay time, OSPI0_CLK active edge to OSPI0_D[7:0] transition 1.8V -7.71 -1.56 ns 3.3V -7.71 -1.56 ns (1) P = SCLK cycle time in ns = OSPI0_CLK cycle time in ns (2) M = OSPI_DEV_DELAY_REG[D_INIT_FLD] (3) N = OSPI_DEV_DELAY_REG[D_AFTER_FLD] (4) R = reference clock cycle time in ns OSPI_CLK OSPI_TIMING_01 OSPI_CSn O6 O3 O2 O1 O5 OSPI_D[i:0] O6 O4 Figure 7-102. OSPI0 Switching Characteristics – PHY DDR www.ti.com AM62A7, AM62A7-Q1, AM62A3, AM62A3-Q1 SPRSP77A – MARCH 2023 – REVISED AUGUST 2023 Copyright © 2023 Texas Instruments Incorporated Submit Document Feedback 199 Product Folder Links: AM62A7 AM62A7-Q1 AM62A3 AM62A3-Q1 |
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