Usb 3.0 Wafer Connector (Cn20); Sd Card Slot (Cn22) - AXIOMTEK Qseven Q7B300 User Manual

Q7B300 Qseven Module Development Board
2.5.13

USB 3.0 Wafer Connector (CN20)

The CN20 is a 19-pin wafer connector for installing versatile USB peripherals such as
keyboard, mouse, scanner, etc.; which is also compatible with USB 2.0 devices.
Pin Signal
1 +5V
2 USB_SSRX2-
3 USB_SSRX2+
4 GND
5 USB_SSTX2-
6 USB_SSTX2+
7 GND
8 USB_P2-
9 USB_P2+
10 NC
2.5.14

SD Card Slot (CN22)

The Secure Digital (SD) is a flash memory card format used in portable device including
notebook and digital camera.
Pin Signal
1 SDIO_DAT3
2 SDIO_CMD
3 GND
4 +3.3V
5 SDIO_CLK#
6 GND
7 SDIO_DAT0
8 SDIO_DAT1
9 SDIO_DAT2
20
Pin Signal
11 NC
12 NC
13 NC
14 NC
15 NC
16 NC
17 NC
18 NC
19 NC
Board and Pin Assignments