Altera Cyclone II FPGA Starter User Manual download pdf (Page 30)

4–8 Altera Corporation

Cyclone II FPGA Starter Development Kit User Guide October 2006

Flash Memory Programmer

2. Click on the Chip Erase (40 Sec) button. Observe the button and

window frame title prompt and wait for the operation to finish; this

takes about 40 seconds.

3. Enter the desired address into the Address box and the data byte

into the wDATA box.

4. Click on the Write button.

5. To read a byte of data from a random location, enter the address of

the location and click on the Read button. The rDATA box displays

the content of the specified address.

Sequential Write

To write the contents of a file into flash memory, perform the following

steps:

1. Select the FLASH tab on the Control Panel.

2. In the Random Access area, click on the Chip Erase (40 Sec) button.

Observe the button and window frame title prompt and wait for the

operation to finish; this takes about 40 seconds.

3. In the Sequential Write area, specify the starting address in the

Address box.

4. Specify the number of bytes to write in the Length box. To load the

entire file, only checkmark the File Length box without specifying

the number of bytes.

5. Click on the Write a File to FLASH button to initiate the writing of

the data.

6. Specify the source file in the pop-up Windows dialog box.

Sequential Read

To read the contents of the flash memory and write them to a file, use the

Sequential Read function of the Control Panel to perform the following

steps:

1. Select the FLASH tab on the Control Panel and use the Sequential

Read boxes.

2. Specify the starting address in the Address box.

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Altera Cyclone II FPGA Starter User Manual Page 30