smnb

USB Power Delivery Specification
Approved Class Specification Documents

USB 3.0規格のFAQ（1）――信号波形からSuperSpeed USBを理解しよう
USB 3.0規格のFAQ（2）――SuperSpeed USBはいかにして高速伝送を実現しているのか？
USB 3.0規格のFAQ（3）――SuperSpeed USBのテストはどのように行うか？

USB Boot

USB Audio

USB Camera

USB JoyStick

USB Mouse

USB PS2

USB Serial

USB FD

wire: 20-28 AWG
The maximum length of a standard USB cable (for USB 2.0 or earlier) is 5.0 metres (16.4 ft).
(the maximum allowed round-trip delay of about 1,500 ns)

Pin	Signal Description	Color
1	USB Vcc (Vbus)	RED
2	USB Data -	WHITE
3	USB Data +	GREEN
4	GND	BLACK

Ref

Pin	Signal	AWG	Color
1	USB Vcc (Vbus)	20-28	red
2	USB Data -	28	white
3	USB Data +	28	green
4	GND	20-28	black

knoppix@Microknoppix:~$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 046d:c50f Logitech, Inc.
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 054c:00cd Sony Corp.
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
knoppix@Microknoppix:~$

Bus 002 Device 002: ID 057b:0000 Y-E Data, Inc. FlashBuster-U Floppy

idVendor: 0x0B39 (Omnidirectional Control Technology Inc.)
idVendor: 0x0D8C (C-Media Electronics, Inc)
idVendor: 0x067B (Prolific Technology, Inc.)
idVendor: 0x046D (Logitech Inc.)
idVendor: 0x0409 (NEC Corporation)
idVendor: 0x03F0 (Hewlett Packard)

VendorID: 8086

UUSBD

USBに挿すだけマイコンの部屋