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STUSB1602 bảng dữ liệu(PDF) 8 Page - STMicroelectronics |
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STUSB1602 bảng dữ liệu(HTML) 8 Page - STMicroelectronics |
8 / 55 page Inputs/outputs STUSB1602 8/55 DocID028319 Rev 2 2.3 Pin description 2.3.1 CC1/CC2 CC1 and CC2 are the configuration channel pins used for connection and attachment detection, plug orientation determination, and system configuration management across the USB Type-C cable. 2.3.2 CC1DB/CC2DB CC1DB and CC2DB are used for dead battery mode when the STUSB1602 is configured in sink power role or dual power role. This mode is enabled by connecting CC1DB and CC2DB respectively to CC1 and CC2. Thanks to this connection, the pull down terminations on the CC pins are present by default even if the device is not supplied (see Section 3.6: Dead battery mode). Warning: CC1DB and CC2DB must be connected to ground when the STUSB1602 is configured in source power role or when dead battery mode is not supported. 2.3.3 VCONN This power input is connected to a power source that can be a 5 V power supply or a lithium battery. It is used to provide power to the local plug. It is internally connected to power switches that are protected against short circuit and overvoltage. This does not require any protection on the input side. When a valid source-to-sink connection is determined and the VCONN power switches are enabled, VCONN is provided by the source to the unused CC pin (see Section 3.4: VCONN supply). Table 3. Pin function descriptions Type Description DDigital A Analog O Output pad I Input pad IO Bidirectional pad OD Open drain output PD Pull-down PU Pull-up HV High voltage PWR Power supply GND Ground |
Số phần tương tự - STUSB1602 |
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Mô tả tương tự - STUSB1602 |
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