USB 2, USB 1 pinouts and signals. Wire colors
USB 1.0 specification introduced in 1994. USB is a likely solution any time you want to use a computer to communicate with devices outside the computer.
USB 2.0 is the successor standard was released in 2000 with the new transfer mode Hi-speed that can transfer data at up to 480 Mbit/s (40x times higher the rate of USB 1.0).
USB 1.0 and USB 2.0 are: half duplex - can either send or receive data, power usage - up to 500 mA per one host controller.
The interface is suitable for one-of-kind and small-scale designs as well as mass-produced, standard peripheral types.
USB 2 (Type A) pinout
| Pin |
Name |
Direction |
Color |
Description |
| 1 |
V+ |
|
red |
+5 V power |
| 2 |
D- |
←→ |
white |
Data - |
| 3 |
D+ |
←→ |
green |
Data + |
| 4 |
GND |
|
black |
Ground |
USB 2 (Type B) pinout
| Pin |
Name |
Direction |
Color |
Description |
| 1 |
V+ |
|
red |
+5 V power |
| 2 |
D- |
←→ |
white |
Data - |
| 3 |
D+ |
←→ |
green |
Data + |
| 4 |
GND |
|
black |
Ground |
USB Mini/Micro pinout
| Pin |
Name |
Direction |
Color |
Description |
| 1 |
V+ |
|
red |
+5 V power |
| 2 |
D- |
←→ |
white |
Data - |
| 3 |
D+ |
←→ |
green |
Data + |
| 4 |
ID |
|
any |
Host/slave detect (USB OTG ID) |
| 4 |
GND |
|
black |
Ground |
USB 2 and USB 1 speeds
| Pin |
Version |
Speed |
| 1 |
USB 1.x Low-Bandwidth
1996 |
1.5 Mbit/s (192 kB/s) |
| 2 |
USB 1.x Full-speed
1996 |
12 Mbit/s (1.5 MB/s) |
| 3 |
USB 2.0 Hi-speed
2000 |
480 Mbit/s (60 MB/s) |
| 4 |
USB 3.0 SuperSpeed
2010 |
5 Gbit/s (625 MB/s) |
| 5 |
USB 3.1 SuperSpeed+
2013 |
10 Gbit/s (1,250 MB/s) |
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