USB keyboard mouse protocols system timing auxiliary device signal definitions
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.
USB D-/D+ - Networking, Protocols, and Devices - Arduino Forum
voltage - Why does USB have Vcc=5V and high=3.3V? - Electrical Engineering Stack Exchange
USB C Tester, 3 in 1 Type C DC5.5 USB Meter USB Load Color Screen IPS Digital Multimeter,Voltage,Current,Power,Resistance,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0: Amazon.com: Tools & Home Improvement
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.
USB charging without fear
Protect USB Ports From Nefarious “USB Killers" | Bench Talk
USB-IF Compliance Updates
microcontroller - Repurposing PWM output for D- of USB - Electrical Engineering Stack Exchange
Switching in USB Consumer Applications | Analog Devices
USB (Communications) - Wikipedia
USB Dedicated Charging Port Controller and Power Switch. datasheet (Rev. A)
USB Type A Female Breakout Hookup Guide - SparkFun Learn
USB dedicated charging port (DCP) controller BL2513M
USB charging without fear
The Mystery of USB Chargers
3.6 V zener diodes at D+ and D-are added to limit the voltage. | Download Scientific Diagram
APPLICATION NOTE
ARM: USB Low-Speed Device on NXP LPC1800/4300 USB0 Host
How Well Do You Know About Your Fast-charging Phone?
USB in a NutShell - Chapter 2 - Hardware
USB dedicated charging port (DCP) controller BL2513M
