User Manual

Technical Reference
31
Table 10. SDXC Card Reader Connector
Pin
Signal Name
1
CD/DAT3
2
CMD
3 VSS1
4
VDD1
5
CLK
6
VSS2
7 DAT0/RCLK+
8
DAT1/RCLK-
9
DAT2
10*
VSS3
11* D0+
12*
D0-
13*
VSS4
14*
VDD2
15* D1-
16*
D1+
17*
VSS5
The board has a full-sized Secure Digital (SD) card reader that supports the Secure
Digital eXtended Capacity (SDXC) format, 4.0 specification, UHS-II bus speed.
NOTE
*Pins 10-17 added with UHS-II v4.0 specification. Not present on all SD cards.
Table 11. Internal USB 2.0 Header (1.25 mm pitch)
Pin Signal Name
1 5 V
2 D -
3 D +
4 GND
Connector is Molex part number 53398-0471, 1.25mm Pitch PicoBlade* Header,
Surface Mount, Vertical, Lead-Free, 4 Circuits.
Table 12. Internal USB 3.0 Header (1.25 mm pitch)
Pin
Signal Name
1 USB_VBUS
2 USB1_N
3 USB1_P