查看“EMB-3942 USB”的源代码

[[文件:EMB-3942 USB12，USB34，USB56，USB78.jpg|600px|缩略图|EMB-3942 USB12，USB34，USB56，USB78]]
===== USB12： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| +5V || 1 || 2 || USB0_PN2_R
|-
| USB_PP2_R || 3 || 4 || GND
|-
| USB3_RXN0_R || 5 || 6 || USB3_RXP0_R
|-
| GND || 7 || 8 || USB3_TXN0_R
|-
| USB3_TXP0_R || 9 || 10 || +5V
|-
| USB_PN3_R || 11 || 12 || USB_PP3_R
|-
| GND || 13 || 14 || NC
|-
| NC || 15 || 16 || GND
|-
| NC || 17 || 18 || NC
|-
| GND || 19 || 20 || GND
|-
| GND || 21 || 22 || GND
|}

===== USB34、USB56： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| +5V || 1 || 2 || GND
|-
| USB DATA- || 3 || 4 || GND
|-
| USB DATA+ || 5 || 6 || USB DATA+
|-
| GND || 7 || 8 || USB DATA-
|-
| GND || 9 || 10 || +5V
|}

===== USB78： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| +5V || 1 || 2 || +5V
|-
| USB_HUB2_2-_R || 3 || 4 || USB_HUB2_1-_R
|-
| USB_HUB2_2+_R || 5 || 6 || USB_HUB2_1+_R
|-
| GND || 7 || 8 || GND
|-
| GND || 9 || 10 || GND
|-
| GND || 11 || 12 || GND
|}