Isolating USB
To what voltage should the D+ line be pulled up when designing USB connection in STM32? +5V or +3.3V? All documentation and dev board scematics says it's 3.3V, but it didn't work.
USB2.0 Outline of Specifications | Renesas Electronics | Renesas
charging - Floating D+ and D- on a USB Charger - Electrical Engineering Stack Exchange
What is the ideal way to handle data pins D+ and D- on a USB power adapter to be compatible with fast charging on devices? - Electrical Engineering Stack Exchange
USB dedicated charging port (DCP) controller BL2514M
EA4EOZ, an amateur radio electronic enthusiast: Using mini iPhone chargers with Android devices
USB dedicated charging port (DCP) controller BL2513M
Measuring the Universal Serial Bus (USB)
USB Made Simple - Part 2
USB Type A Female Breakout Hookup Guide - learn.sparkfun.com
USB charging without fear
USB-IF Compliance Updates
Car USB Charger Current Settings - Lixin Automotive Electrics and electronics
Discharge into a USB connector during a plug-in event. One of the... | Download Scientific Diagram
USB 101: An Introduction to Universal Serial Bus 2.0
USBREG — USB regulator control
USB keyboard mouse protocols system timing auxiliary device signal definitions
How Well Do You Know About Your Fast-charging Phone?
Protection of USB 2.0 Applications Series: ESD Device Tests and Layout Recommendations for USB Ports | Würth Elektronik: Composants Électroniques & Électromécaniques > Actualités > Blog: World of Electronics
voltage - Why does USB have Vcc=5V and high=3.3V? - Electrical Engineering Stack Exchange
USB charging without fear
USB dedicated charging port (DCP) controller BL2513M
