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TDA4VE...ALZQ1 数据表(PDF) 236 Page - Texas Instruments |
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TDA4VE...ALZQ1 数据表(HTML) 236 Page - Texas Instruments |
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236 / 251 page ![]() – A to B = C to D – Matching skew: < 60 ps A B MCU_OSPI[x]_CLK R1 OSPI/QSPI/SPI device clock input 0 * Ω J7ES_OSPI_Board_03 C D MCU_OSPI[x]_DQS OSPI device DQS E F OSPI/QSPI/SPI device IOy, CS# MCU_OSPI[x]_D[y], MCU_OSPI[x]_CSn[z] * 0 Ω resistor (R1), located as close as possible to the MCU_OSPI[x]_CLK pin, is a placeholder for fine tuning, if needed. Figure 8-3. OSPI Interface High Level Schematic 8.2.3 USB VBUS Design Guidelines The USB 3.1 specification allows the VBUS voltage to be as high as 5.5 V for normal operation, and as high as 20 V when the Power Delivery addendum is supported. Some automotive applications require a max voltage to be 30 V. The device requires the VBUS signal voltage be scaled down using an external resistor divider (as shown in the Figure 8-4), which limits the voltage applied to the actual device pin (USB0_VBUS). The tolerance of these external resistors should be equal to or less than 1%, and the leakage current of zener diode at 5 V should be less than 100 nA.(1) TDA4VE-Q1, TDA4AL-Q1, TDA4VL-Q1 SPRSP62 – DECEMBER 2022 www.ti.com 236 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: TDA4VE-Q1 TDA4AL-Q1 TDA4VL-Q1 |
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