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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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STUSB1702 Arkusz danych(PDF) 2 Page - STMicroelectronics |
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STUSB1702 Arkusz danych(HTML) 2 Page - STMicroelectronics |
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2 / 38 page  1 Functional description The STUSB1702 is a USB Type-C controller IC. It is designed to interface with the Type-C receptacle on host side. It is used to establish and manage the source-to-sink connection between two USB Type-C host and device ports. The STUSB1702 major role 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 4. Resolve cable orientation and twist connections to establish USB data routing (MUX control) 5. Configure and monitor 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 STUSB1702 also provides: • Low power standby mode • I²C interface and interrupt • Start-up configuration customization: static through NVM and/or dynamic through I²C • High voltage protection • Accessory mode detection Figure 1. Functional block diagram VREG_2V7 VDD CC1GND CC2GND VCONN VREG_1V2 GND CC1 Power On Reset Controller I2C Interface & Registers NVM VBUS_EN_SRC VDD2V7 VDD1V2 RESET CC2 RESET A_B_SIDE VBUS_SENSE ALERT# VSYS Power Supply Generation VREG_1V2 VREG_2V7 SCL SDA VBUS Monitoring & Control I2C_REGx Oscillator CLK I2C_REGx I2C_REGx VCONN Monitoring & Power Switches CC Control Logic RESET VPU VPU High voltage pins BMC Transceiver CC Lines Interface BMC Clock Recovery Tx Enc. / Rx Dec. SCLK MISO TX_EN NSS MOSI STUSB1702 Functional description DS12664 - Rev 1 page 2/38 |
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