Why do USB-PD Traces sometimes show volage on CC1 AND CC2, and other times show voltage on only CC1 OR CC2?
![Simple way to use USB Type-C to get 5V at up to 3A (15W) - Power - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key Simple way to use USB Type-C to get 5V at up to 3A (15W) - Power - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/c/c3a86011a5b4fe495bd91157570bb253474ca28a.png)
Simple way to use USB Type-C to get 5V at up to 3A (15W) - Power - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
![usb c - Can USB Type-C 2.0 upstream (device) connect its CC pins and share a pull-down? - Electrical Engineering Stack Exchange usb c - Can USB Type-C 2.0 upstream (device) connect its CC pins and share a pull-down? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Hb6M5.png)
usb c - Can USB Type-C 2.0 upstream (device) connect its CC pins and share a pull-down? - Electrical Engineering Stack Exchange
![Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function](https://1.bp.blogspot.com/-MeDQDtxyuSE/U_F-lcfK78I/AAAAAAAAAfM/2kMzMfo8GIE/w1200-h630-p-k-no-nu/TypeC_host_device.jpg)
Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function
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Usb Type-c Conversion Board 2.54mm Cc1 Cc2 5.1k Pull-down Resistor Connection - Integrated Circuits - AliExpress
![Álvaro Prieto on Twitter: "USB-C cables only pass through CC1. In order to use DAM, we need to have a USB-C plug (or custom cable) to connect both CC1 and CC2. If Álvaro Prieto on Twitter: "USB-C cables only pass through CC1. In order to use DAM, we need to have a USB-C plug (or custom cable) to connect both CC1 and CC2. If](https://pbs.twimg.com/media/FMJSLmHVQAI5z9C.png)