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20 pin ICC female connector layout
Разъем 20 pin ICC female
USB 3.0 is the successor of USB 2.0. USB 3 reduces the time required for data transmission, reduces power consumption, and is backward compatible with USB 2.0

USB 3.0 Header is a 20 pin 2mm pitch header using the less common ICC pin numbering. The header has a key slot on the pin 1-10 side if enclosed.

Like the USB 2.0 header, The USB 3.0 header contains USB 3.0 ports. Unlike USB2, this links are fully separated (no shared shield) and two single links can be inserted into the header connector.

Pin
Number

(ICC)

Pin
Name
Description Port

Equivelent

IDC Pin #

1 VBus +5V Power 1 1
2 SSRX1- SuperSpeed recevier 3
3 SSRX1+ 5
4 GND Ground for Power 7
5 SSTX1- SuperSpeed transmitter 9
6 SSTX1+ 11
7 DRAIN Ground for Shield Drain 13
8 D1-  USB 2.0 data 15
9 D1+ 17
10 NC     19
11 D2+  USB 2.0 data 2 20
12 D2- 18
13 DRAIN Ground for Shield Drain 16
14 SSTX2+ SuperSpeed transmitter 14
15 SSTX2- 12
16 GND Ground for Power 10
17 SSRX2+ SuperSpeed recevier 8
18 SSRX2- 6
19 VBUS +5V Power 4
20 No Pin Space of Filled Keying   2

 

A new feature is the SuperSpeed bus, which provides a fourth transfer mode at 5.0 Gbit/s. The raw throughput is 4 Gbit/s, and the specification considers it reasonable to achieve 3.2 Gbit/s (0.4 Gbyte/s or 400 MByte/s), or more, after protocol overhead.

USB 3.0's D and Vbus pins are backward compatible with USB 2.0 connectors.

 

На распиновку USB 3.0 Header есть 1 отзыв(а): 1 положительных и 0 отрицательных.

Эта распиновка
Источник(и) этой и дополнительной информации: http://www.moddiy.com/products/Motherboard-USB-3.0-20%252dPin-Male-Header-Socket-%28Black%29.html;http://www.maximumpc.com/article/news/usb_30_internal_connector_cable_spec_released
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