
System Generator for DSP User Guide www.xilinx.com 171
UG640 (v 12.2) July 23, 2010
Designing with Embedded Processors and Microcontrollers
Click on the Output tab and enter the following:
a. The Word Type should be Unsigned and Number of Bits should be set to 18 with
the Binary Point at 0.
5. Edit the PicoBlaze assembly program.
a. Open pico_code.psm.
b. Add instructions as described in the pico_code.psm file. For detailed
information about the PicoBlaze instruction set see the Xilinx Application Note
XAPP627 at
http://www.xilinx.com/support/documentation/application_notes/xapp627.p
df
c. Save the file.
6. Run the assembler to generate the memory initialization file.
Note:
The Xilinx PicoBlaze Assembler is only available with the Windows Operating System. Third-
party PicoBlaze Assemblers are available for Linux, but are not shipped by Xilinx.
In the MATLAB command window, type:
>> xlpb_as -p pico_code.psm
xlpb_as stands for Xilinx PicoBlaze Assembler.
A file named fill_pico_code_program_store.m was created.
7. Simulate the Simulink model.
Run the simulation by clicking on the Start Simulation Icon.
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