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dg_usb3.0_dev_ip_demo_instruction_en.doc
15 May 2015 Page 6
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After sof-file download finish and JTAG UART operation start, check USER_LED0-3 status near by
HSMC connector on the Altera board. See Table 1 for LED definition. Note that LED0 blinks and
other LEDs are OFF when USB cable is unplugged. When USB cable is connected again, LED will
change its state as shown in Figure 8.
LED
LED LED
LED Statu
Statu Statu
Statu
ssss
Description
Description Description
Description
LED0 OFF Altera FPGA configuration is not completed.
Blink VBUS is not detected. USB cable is not plugged correctly for example.
ON USB cable is plugged correctly and FPGA detects VBUS presence.
LED1 OFF USB3.0 Mass Storage Class operation is not started yet.
Altera board might have problem such as memory initialization fail.
ON USB3.0 Mass Storage Class operation is started successfully.
LED2 OFF Cannot initialize USB3.0 LINK process.
Check HSMC connection of the demo board.
Check that USB3.0 cable is the demo board attached cable.
ON USB3.0 LINK initialization completed successfully.
LED3 OFF USB3.0 Mass Storage Class detection by HostPC is not completed.
It is possible that signal quality problem exists in the host USB3.0 adapter or
device driver has some problem.
ON USB3.0 Mass Storage Class detection by HostPC is completed successfully.
Table Table Table Table 1 1 1 1: LED definition of Altera board : LED definition of Altera board : LED definition of Altera board : LED definition of Altera board
Figure Figure Figure Figure 8 8 8 8: USB3.0 dev : USB3.0 dev : USB3.0 dev : USB3.0 device operation LED ice operation LED ice operation LED ice operation LED0 0 0 0----LED3 LED3 LED3 LED3 status on status on status on status on Altera Altera Altera Altera board board board board
※ All LED will be OFF when 1-hour time limitation is expired.