Owner's manual

NOVA-HM551 5.25" SBC
Page 40
Figure 3-22: SPI Flash Connector Locations
Pin Description Pin Description
1 SPI_VCC(+3.3V) 2 GND
3 SPI_CS#0 4 SPI_CLK
5 SPI_SO0 6 SPI_SI
7 N/C 8 N/C
Table 3-23: SPI Flash Connector Pinouts
3.2.22 USB Connectors
CN Label:
USB1, USB2, USB3, USB4
CN Type:
8-pin header (2x4)
CN Location:
See Figure 3-23
CN Pinouts:
See Table 3-24
The USB connectors connect to USB devices. Each pin header provides two USB ports.
Figure 3-23: USB Connector Pinout Locations