Altera Cyclone III FPGA Starter Kit Manual de usuario descargar pdf (Pagina 19)

Altera Corporation 3–5

July 2010 Cyclone III FPGA Starter Kit User Guide

Using the Control Panel

Read from a File

To read the contents of a file and load it to the DDR SDRAM, follow these

steps:

1. Click Load File.

2. Browse to sample.txt located in the control_panel directory and

click Open. This step instantiates the DDR SDRAM controller and

loads the text contents into the DDR SDRAM. Notice that the Data

to Ascii-text column shows the DDR SDRAM contents in Ascii

value.

Write to a File

To write the contents of the DDR SDRAM to a file, follow these steps:

1. Click Save File.

2. Enter the start and end addresses of the DDR SDRAM.

3. Choose a file name and click Save. This instantiates the controller to

read the DDR SDRAM contents from the start address to the end

address, and write the contents to a file.

Flash Memory

Programmer

You can perform the following operations to read from and write to the

board’s flash memory with the control panel:

■ Perform a CFI query of flash memory

■ Erase select blocks of flash memory

■ Write 32-bit hex word to flash memory

■ Write a binary file to flash memory

■ Load the contents of the flash memory into a file

c Do not exit from the control panel while erasing the flash

memory.

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Altera Cyclone III FPGA Starter Kit Manual de usuario Pagina 19