Pin
Name
Description
Level
1
USB_H1_VBUS
Power supply
+5 V DC max 500mA
2
USB_H1_DN
Data minus (D-)
3
USB_H1_DP
Data plus (D+)
4
GND
Ground
Header: USB Type A
Pin
Name
Description
Level
1
USB_OTG_VBUS
Power supply
+5 V DC max 500mA
2
USB_OTG_DN
Data minus (D-)
3
USB_OTG_DP
Data plus (D+)
4
USB_OTG_ID
Device ID
5
GND
Ground
Header: Micro-USB Type AB
Pin
Name
Description
Level
1
DAT3
2
CMD
Pullup
3.3 V
3
GND
4
VDD
3.3 V
5
CLK
6
GND
7
DAT0
8
DAT1
9
DAT2
2 2
1
1
PRODUCT MANUAL
SANTARO core
6.8 USB Host (X34)
6.9 USB OTG (X20)
6.10 SD Card Reader (X31)
