Digilent Atlys Board: Switches, Buttons and Status LEDs
| Button | Name | |
|---|---|---|
| BTNU (N4) | ??? | ??? |
| BTNL (P4) | ??? | ??? |
| BTNR (F6) | ??? | ??? |
| BTND (P3) | ??? | ??? |
| BTNC (F5) | ??? | ??? |
| Led | Name | |
|---|---|---|
| LED[0] | usb_error | turns on when there is any over flow or under flow in usb fifos... not necessarily critical error. |
| LED[1] | ram_error / jpeg_error | critical error. usually systems will not work. if it cant recover its self. if error is in RAM a reset is required. |
| LED[2] | jpeg_busy | if blinking shows the activity in jpeg encoder. if off means encoder is off if constant on means waiting for either input or space in out put(usb) fifo. |
| LED[3] | vsync | vertical sync of HDMI/DVI signal. |
| LED[4] | rgb_de; | data enable signal of HDMI/DVI signal. |
| LED[5] | (flagB) | cypress chip fifo flags blinking shows activity between fpga and cypress chip. |
| LED[6] | (flagC) | same as above |
| LED[7] | if high after toggling sw0 means external monitor is DVI if low means external monitor is HDMI |
