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STUSB1602 数据表(PDF) 5 Page - STMicroelectronics |
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STUSB1602 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 55 page ![]() DocID028319 Rev 2 5/55 STUSB1602 Functional description 55 1 Functional description The STUSB1602 is a USB Type-C controller IC. It is designed to interface with the Type-C receptacle both on host and/or device sides. It is used to establish and manage the source-to-sink connection between two USB Type-C host and device ports. The major role of the STUSB1602 is to: 1. Detect the connection between two USB Type-C ports (attach detection) 2. Establish a valid source-to-sink connection 3. Determine the attached device mode: source, sink or accessory 4. Resolve cable orientation and twist connections to establish USB data routing (mux control). 5. Configure and monitor the VBUS power path 6. Manage VBUS power capability: USB default, Type-C medium or Type-C high current mode. 7. Configure VCONN when required 8. Support USB PD negotiation The STUSB1602 also provides: 1. Low power standby mode 2. Dead battery mode 3. I2C interface and interrupt 4. Start-up configuration customization: static through NVM and/or dynamic through I2C 5. High voltage protection 6. Accessory mode detection Figure 1. Functional block diagram |
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