Read/write data – Altera Cyclone III FPGA Starter Kit User Manual

Page 18

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Altera Corporation

Cyclone III FPGA Starter Kit User Guide

July 2010

DDR SDRAM/ SSRAM/On-Chip Controller

The following sections describe how to access the DDR SDRAM. You can
use the same procedure to access the SSRAM.

Read/Write Data

To read from and write to the DDR SDRAM, follow these steps:

1.

Click the DDR SDRAM tab (

Figure 3–3

). The Address column

indicates the hex address of the DDR SDRAM. The values inside the
0-3

, 4-7, 8-B, and C-F columns are the DDR SDRAM contents in hex

words format.

Figure 3–3. Control Panel DDR SDRAM Tab

2.

To write a 32-bit word to the DDR SDRAM, click the desired
location, enter the desired value in hex format, and press Enter.

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