User guide

3–4 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.