Why are CC1 and CC2 only connected to USB-C?
Mar 24, 2024 · Notice that there are only VBUS and CC1 and CC2 (and of cource GND) connected to the USB-C holder. Question: What is the use of CC1 and CC2 if your USB-C …
usb device - USB Type-C: Are CC1 and CC2 interchangeable?
Feb 9, 2021 · The schematic bellow is a USB controller, designed to be used to change USB's VBUS voltage: Question: Are CC1 and CC2 interchangeable, meaning that red-marked labels …
circuit design - Is it sufficient to put 5.1k pulldowns on CC1 and …
Nov 18, 2022 · Is it sufficient to put 5.1k pulldowns on CC1 and CC2 of USBC to get 5V 1.5A? Ask Question Asked 3 years ago Modified 1 year, 8 months ago
Does USB-C Power Delivery require both CC pins or D+/D- pins?
Feb 27, 2024 · My issue is with the USB-C connector. The IC requires CC1, CC2, D+ and D- in order to negotiate the current draw. I am struggling to find a USB-C connector with these …
usb c - Electrical Engineering Stack Exchange
Jun 28, 2019 · USB Type-C specifications, V1.4, has several places that deal with use of CC1 and CC2 pins. If you are making a USb 3.x implementation, the active CC pin will tell you the right …
Are USB type C pull resistor neccesary on CC and SBU pins?
Sep 25, 2021 · hello im trying to make a usb receptacle for my microcontroller, im planning to use USB Type C, Although i only need USB 2.0 functionality i might as well design it to …
Understanding USB-C ESD proection through TVS diodes
Sep 24, 2025 · I've read the TI's USB ESD Protection Guide & for USB-C CC1, CC2 data lines and VBUS power line it recommends ESD441 TVS Diode. When I look this product …
USB-C pulldown on the CC lines: Is one resistor enough?
Feb 7, 2024 · Beware, if you take a 4.7kΩ resistor, you must take a -13%/+30% or better one (but this is not in E3 any more), as you already ate some margin by taking an off value. 5.1kΩ is …
A question about callback for a timer interrupt in STM32
Feb 3, 2023 · If preformance and low delays became important, than it is time to put HAL aside. Write your own interrupt handler, that contains only the required code, the default handler …
How can I monitor the CC lines on USB-C port?
Jun 14, 2022 · In USB Power Delivery mode, the CC1 and CC2 lines are pulled up by the charger, and down by the device. According to this link, the Table 3. states that CC1 and CC2 lines …