22
Altera Corporation
APEX DSP Development Kit Getting Started User Guide
Getting Started
9.
If you connected the RS-232 cable to a port other than COM 1, choose
the port in the Serial Port menu.
10. Choose
Load Nios
(Processor menu).
11. Select the file
disp.srec
.
12. Click
Open
. The program is loaded into the Nios embedded
processor on the board.
1
If you receive the message
Nios not loaded, push SW0
on the board
, press the push-button switch SW0 and then
click
OK
in the message box. If the Nios program does not
load after pressing SW0 and clicking
OK
, refer to the kit
readme file for troubleshooting information.
13. If you are using the professional board, choose
1500E
(Board menu).
If you are using the starter board, the
200E
option, which enables the
starter board, is turned on by default.
1
If you are using the starter board and
200E
is selected in the
Board menu, do not select it again. If you do so, the
application selects the
1500E
instead.
14. Enter
1000000
(6 zeros) in the
frequency 1
box and click
Apply
to
set the NCO 1 frequency.
15. Enter
10000000
(7 zeros) in the
frequency 2
box and click
Apply
to
set the NCO 2 frequency. Leave all other settings as is.
16. Click
Get Data
. The NCO frequencies 1 and 2 are added together.
17. Turn on the
On/Off
option under
Filter
.
18. Click
Get Data
.
19. The display in the
Signal
tab, which is selected by default, shows the
filtered data in time. Click the
Spectrum Analysis
tab to view the
frequency domain.
