Combining Jtag And As Configuration Schemes - Altera Cyclone IV Device Handbook

Chapter 8: Configuration and Remote System Upgrades in Cyclone IV Devices
Configuration
1
The .rbf used by the JRunner software driver cannot be a compressed .rbf because the
JRunner software driver uses JTAG-based configuration. During JTAG-based
configuration, the real-time decompression feature is not available.
f
For more information about the JRunner software driver, refer to
Software Driver: An Embedded Solution for PLD JTAG Configuration
on the Altera website at (www.altera.com).

Combining JTAG and AS Configuration Schemes

You can combine the AS configuration scheme with the JTAG-based configuration
(Figure
download cable is used in JTAG mode to configure the Cyclone IV device directly
through the JTAG interface. The other download cable is used in AS mode to program
the serial configuration device in-system through the AS programming interface. If
you try configuring the device using both schemes simultaneously, JTAG
configuration takes precedence and AS configuration terminates.
May 2013 Altera Corporation
8–28). This setup uses two 10-pin download cable headers on the board. One
8–53
AN 414: JRunner
and the source files
Cyclone IV Device Handbook,
Volume 1