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TUSB4020BIPHPQ1 Datasheet(PDF) 10 Page - Texas Instruments |
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TUSB4020BIPHPQ1 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 45 page  VBUS Detect USB 2.0 Hub Oscillator XI XO Clock and Reset Distribution Control Registers GPIO I 2 C SMBUS Power Distribution VDD33 VSS GRSTz SCL/SMBCLK SDA/SMBDAT SMBUSz PWRCTL1/BATEN1 OVERCUR1z PWRCTL2/BATEN2 OVERCUR2z PWRCTL_POL GANGED/SMBA2/HS_UP FULLPWRMGMTz/SMBA1 VDD TEST OTP ROM TUSB4020BI-Q1 SLLSEI1 – JULY 2015 www.ti.com 8 Detailed Description 8.1 Overview The TUSB4020BI-Q1 is a two-port USB 2.0 hub. It provides USB high-speed/full-speed connections on the upstream port and provides USB high-speed, full-speed, or low-speed connections on the downstream ports. When the upstream port is connected to an electrical environment that supports high-speed and full- speed/low-speed connections, USB high-speed and full-speed/low-speed connectivity is enabled on the downstream ports. When the upstream port is connected to an electrical environment that only supports full- speed/low-speed connections, USB high-speed connectivity are disabled on the downstream ports. 8.2 Functional Block Diagram 10 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: TUSB4020BI-Q1 |
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