Remote System Upgrades - Altera Cyclone V Device Handbook

CV-52007
2014.01.10
Figure 7-20: Compressed and Uncompressed Serial Configuration Data in the Same Configuration File
For the FPP configuration scheme, a combination of compressed and uncompressed configuration in the
same multi-device configuration chain is not allowed because of the difference on the

Remote System Upgrades

Cyclone V devices contain dedicated remote system upgrade circuitry. You can use this feature to upgrade
your system from a remote location.
Figure 7-21: Cyclone V Remote System Upgrade Block Diagram
You can design your system to manage remote upgrades of the application configuration images in the
configuration device. The following list is the sequence of the remote system upgrade:
1. The logic (embedded processor or user logic) in the Cyclone V device receives a configuration image
from a remote location. You can connect the device to the remote source using communication protocols
such as TCP/IP, PCI, user datagram protocol (UDP), UART, or a proprietary interface.
2. The logic stores the configuration image in non-volatile configuration memory.
3. The logic starts reconfiguration cycle using the newly received configuration image.
4. When an error occurs, the circuitry detects the error, reverts to a safe configuration image, and provides
error status to your design.
Configuration, Design Security, and Remote System Upgrades in Cyclone V Devices
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Compressed Uncompressed
Configuration Configuration
Data Data
Decompression
Controller
FPGA
Device 1
nCE nCEO
GND
2
1
Data
Development
Data
Location
Data
Serial Configuration Data
EPCS, EPCQ, or
External Host
FPGA
Device 2
nCE nCEO N.C.
3
FPGA
Remote System
Upgrade Circuitry
FPGA Configuration
4
Remote System Upgrades
-to-
DCLK DATA[]
Configuration
Memory
Altera Corporation
7-29
ratio.