![Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version) Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version)](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhq2Mw4lp9VmS0QyhIJW6P3SKBG94T3y46gMTQYMESl9KwXl4RsPoJUho3C66ivLelkYmssvjdz0AXo7-GUar46D_YY8vdffoJg2GUKM1p9Qp-kIVJ465iYSYc7FBDJXNZ4569KPdP-X9M/s1600/TypeC_host_device.jpg)
Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version)
Why do USB-PD Traces sometimes show volage on CC1 AND CC2, and other times show voltage on only CC1 OR CC2?
![Amazon.com: 2pcs 12 inch Type-C USB C Male PD Power Cable 5A Fast Charge 6 Wires CC1 CC2 Pigtail DIY, 1 feet : Electronics Amazon.com: 2pcs 12 inch Type-C USB C Male PD Power Cable 5A Fast Charge 6 Wires CC1 CC2 Pigtail DIY, 1 feet : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51LZ09LqRxL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 2pcs 12 inch Type-C USB C Male PD Power Cable 5A Fast Charge 6 Wires CC1 CC2 Pigtail DIY, 1 feet : Electronics
![Álvaro Prieto on X: "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 X: "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)
Álvaro Prieto on X: "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
![Mike on X: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" / Mike on X: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" /](https://pbs.twimg.com/media/E9zwYWaXIAkEuMf.jpg)
Mike on X: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" /
![Amazon.com: ELNONE USB C Pigtail Cable, Type-C 4ft 1.2meter 5A 20AWG 6 core Power Data Pigtail Cable, CC1 CC2 Cord DIY Black for Laptop Charging : Electronics Amazon.com: ELNONE USB C Pigtail Cable, Type-C 4ft 1.2meter 5A 20AWG 6 core Power Data Pigtail Cable, CC1 CC2 Cord DIY Black for Laptop Charging : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51biYtoBAiL.jpg)