HC4GX15 Datasheet, PDF (479/668 Pages) Altera Corporation – HardCopy IV Device Handbook

Chapter 2: HardCopy IV GX Dynamic Reconfiguration
2–21
Quartus II MegaWizard Plug-In Manager Interfaces to Support Dynamic Reconfiguration
Interfacing ALTGX_RECONFIG and ALTGX Instances
This section describes the various dynamic reconfiguration settings available in the
ALTGX_RECONFIG and ALTGX MegaWizard Plug-In Managers and how to set
them. It also provides information about the interface signals and connections
between the ALTGX_RECONFIG and ALTGX instances.
There are two ways to connect the ALTGX_RECONFIG instance to the ALTGX
instance in your design:
■ Single dynamic reconfiguration controller—You can use a single
ALTGX_RECONFIG instance to control all the ALTGX instances in your design.
Figure 2–5 shows a block diagram of a single ALTGX_RECONFIG instance
controlling multiple ALTGX instances.
Figure 2–5. Block Diagram of a Single Dynamic Reconfiguration Controller in a Design
reconfig_fromgxb [n:0]
ALTGX Instance 1
ALTGX_RECONFIG Instance
reconfig_togxb [3:0]
ALTGX Instance 2
© June 2009 Altera Corporation
HardCopy IV Device Handbook, Volume 3