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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM6421 датащи(PDF) 72 Page - Texas Instruments |
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AM6421 датащи(HTML) 72 Page - Texas Instruments |
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72 / 237 page  6.3.13 SERDES 6.3.13.1 MAIN Domain Table 6-49. SERDES0 Signal Descriptions SIGNAL NAME(1) PIN TYPE DESCRIPTION ALV PCIE0_CLKREQn IO PCIE Clock Request Signal D16 SERDES0_REXT(2) A External Calibration Resistor T13 SERDES0_REFCLK0N IO Serdes Reference Clock Input/Output (negative) W16 SERDES0_REFCLK0P IO Serdes Reference Clock Input/Output (positive) W17 SERDES0_RX0_N I SERDES Differential Receive Data (negative) Y15 SERDES0_RX0_P I SERDES Differential Receive Data (positive) Y16 SERDES0_TX0_N O SERDES Differential Transmit Data (negative) AA16 SERDES0_TX0_P O SERDES Differential Transmit Data (positive) AA17 (1) The functionality of these pins is controlled by SERDES0_LN0_CTRL LANE_FUNC_SEL. (2) An external 3.01 kΩ ±1% resistor must be connected between this pin and VSS. No external voltage should be applied to this pin. 6.3.14 USB 6.3.14.1 MAIN Domain Table 6-50. USB0 Signal Descriptions SIGNAL NAME PIN TYPE DESCRIPTION ALV USB0_DM IO USB 2.0 Differential Data (negative) AA20 USB0_DP IO USB 2.0 Differential Data (positive) AA19 USB0_DRVVBUS O USB VBUS control output (active high) E19 USB0_ID A USB 2.0 Dual-Role Device Role Select U16 USB0_RCALIB(1) IO Pin to connect to calibration resistor U17 USB0_VBUS(2) A USB Level-shifted VBUS Input T14 (1) An external 500 Ω ±1% resistor must be connected between this pin and VSS. No external voltage should be applied to this pin. (2) An external resistor divider is required to limit the voltage applied to the device pin. For more information, see Section 9.3.3, USB Design Guidelines. 6.3.15 OSPI 6.3.15.1 MAIN Domain Table 6-51. OSPI0 Signal Descriptions SIGNAL NAME PIN TYPE DESCRIPTION ALV OSPI0_CLK O OSPI Clock N20 OSPI0_DQS I OSPI Data Strobe (DQS) or Loopback Clock Input N19 OSPI0_ECC_FAIL I OSPI ECC Status L17 OSPI0_LBCLKO IO OSPI Loopback Clock Output N21 OSPI0_CSn0 O OSPI Chip Select 0 (active low) L19 OSPI0_CSn1 O OSPI Chip Select 1 (active low) L18 OSPI0_CSn2 O OSPI Chip Select 2 (active low) K17 OSPI0_CSn3 O OSPI Chip Select 3 (active low) L17 OSPI0_D0 IO OSPI Data 0 M19 OSPI0_D1 IO OSPI Data 1 M18 OSPI0_D2 IO OSPI Data 2 M20 OSPI0_D3 IO OSPI Data 3 M21 OSPI0_D4 IO OSPI Data 2 P21 OSPI0_D5 IO OSPI Data 2 P20 AM6442, AM6441, AM6421 AM6412, AM6411 SPRSP56 – JANUARY 2021 www.ti.com 72 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411 |
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