Customized USB data cable characteristics and classification
- PRODUCT DETAIL
According to different interfaces and data lines, USB supports devices: Mouse, keyboard, printer, scanner, camera, flash disk, MP3 player, mobile phone, digital camera, mobile hard disk, external optical floppy drive, USB network card, ADSL Modem, Cable Modem and other electronic products.
USB interface definition
Red, white, green and black are the standard wiring colors, corresponding to pins 1, 2, 3, and 4 respectively;
The four wires are 1-power, 2-data, 3-data, 4-power
The general arrangement is: red, white, green and black from left to right
definition:
Red-USB power, marked with-VCC, Power, 5V, 5VSB
White-USB data cable (negative)-DATA-, USBD-, PD-, USBDT+
Green-USB data cable (positive)-DATA+, USBD+, PD+, USBDT+
Black-ground wire-GND, Ground
USB is a commonly used PC interface with only 4 wires, two power supplies and two signals. It should be noted that do not reverse the positive and negative poles, otherwise it will burn the USB device or the computer chip!
Common USB interface:
From left to right: miniUSB male port (A type plug), miniUSB male port (B type plug), USB male port (B type), USB female port (A type socket), USB male port (A type plug) .
USB data line interface spec
The female socket of the mobile phone adopts a 10pin mini USB connector, the model is LINKTEK:
USBXN-01015-TP0X (compatible products of other manufacturers can also be used), the pin arrangement is shown in Figure 1 (internal view):
10 pin mini USB interface female socket pin diagram
USB data line interface definition:
| Pin number | name | Function definition |
| 1 | Hanging | Hanging |
| 2 | VCHG | Charging voltage |
| 3 | Hanging | Hanging |
| 4 | USB_D－ | USB Daten- |
| 5 | Hanging | Hanging |
| 6 | USB_D+ | USB Daten+ |
| 7 | Hanging | Hanging |
| 8 | Hanging | Hanging |
| 9 | Hanging | Hanging |
| 10 | GND | Ground wire |
USB cable requirements:
1. The PC end interface is the standard Stand A interface.
2. Please refer to the detailed regulations in the USB2.0 protocol standard for the USB interface specifications.
3. The interface of the mobile phone is the above 10 pin MINI USB interface male connector, please choose the matching interface.
4. Both ends of the download line are the mobile phone connection port and the PC USB port. The wire length is 1 meter, the wire diameter is 3.8mm, the wire is a standard mesh shielded wire, and the outer cover and SR are 75 degree flame retardant PVC.
USB female, USB male, USB printing cable, MINI USB, micro USB
1. Type A USB plug and A type USB socket (receptacle)
| Numbering | definition | Color recognition |
| 1 | VBUS | Red |
| 2 | D- | White |
| 3 | D+ | Green |
| 4 | GND | Black |
USB package size (single PIN Receptacle):
2. Type B USB plug and Type B USB socket (receptacle)
USB pin sequence (Plug on the left, Receptacle on the right, note that the arrow points to the oblique port upwards, and the USB port faces you):
3. Mini B type USB plug and Mini B type USB socket (receptacle)
Pin sequence (Plug on the left and Receptacle on the right. Note that the wide side is on top and the USB port faces you):
Pin definition:
| Numbering | Definition | Color recognition |
| 1 | VBUS | Red |
| 2 | D- | White |
| 3 | D + | Green |
| 4 | ID | Not connected |
| 5 | GND | Black |
Package size (Receptacle):
The above part is the content of the USB 2.0 specification, the following Micro USB is actually a supplementary specification only released in 2006. Since the interface definition cannot support the USB 3.0 protocol backward, it still belongs to the USB 2.0 protocol package.
4. Micro USB plug and socket
Micro USB supplements the definition of Micro USB interface for cellular phones and portable devices, which is smaller than Mini USB interface.
Among them, standard A type, standard B type and Mini-B type are all defined in the USB 2.0 specification. The Micro USB
The specification defines and supplements the following definitions:
Micro-B plug and receptacle
Micro-AB receptacle
Micro-A plug
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