CDPCLK4 datasheet(234/274 Pages) ALTERA

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9–76

Chapter 9: Configuration, Design Security, and Remote System Upgrades in the Cyclone III Device Family

Remote System Upgrade

Cyclone III Device Handbook

August 2012

Altera Corporation

Volume 1

Figure 9–33 shows the block diagrams to implement remote system upgrade with the

AS and AP configuration schemes.

1 Remote system upgrade only supports single-device configuration.

When using remote system upgrade in Cyclone III devices, you must set the mode

select pins (MSEL [3.0]) to the AS or AP configuration scheme. When using remote

system upgrade in Cyclone III LS devices, you must set MSEL [3..0] to the AS

configuration scheme. The MSEL pin setting in remote system upgrade mode is the

same as standard configuration mode. Standard configuration mode refers to normal

Cyclone III device family configuration mode with no support for remote system

upgrades, and the remote system upgrade circuitry is disabled. When using remote

system upgrade in Cyclone III device family, you must enable the remote update

mode

option setting in the Quartus II software. For more information, refer to

“Enabling Remote Update” on page 9–76.

Enabling Remote Update

You can enable or disable remote update for Cyclone III device family in the

Quartus II software before design compilation (in the Compiler Settings menu). To

enable remote update in the compiler settings of the project, perform the following

steps in the Quartus II software:

1. On the Assignments menu, click Device. The Settings dialog box appears.

2. Click Device and Pin Options. The Device and Pin Options dialog box appears.

3. Click the Configuration tab.

4. From the Configuration Mode list, select Remote.

5. Click OK.

6. In the Settings dialog box, click OK.

Figure 9–33. Remote System Upgrade Block Diagrams for AS and AP Configuration Schemes

Cyclone III or

Cyclone III LS

Device

Nios Processor or User

Logic

Serial Configuration Device

Cyclone III Device

Nios Processor or User

Logic

Parallel Flash Memory

Supported Parallel Flash

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