Chapter 8: Configuration and Remote System Upgrades in Cyclone IV Devices 8–15
Configuration
May 2013 Altera Corporation Cyclone IV Device Handbook,
Volume 1
four devices. During the first configuration cycle, the master device reads its
configuration data from the serial configuration device while holding
nCEO
high. After
completing its configuration cycle, the master device drives
nCE
low and sends the
second copy of the configuration data to all three slave devices, configuring them
simultaneously.
The advantage of the setup in Figure 8–4 is that you can have a different .sof for the
master device. However, all the slave devices must be configured with the same .sof.
You can either compress or uncompress the .sof in this configuration method.
1 You can still use this method if the master and slave devices use the same .sof.
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