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Altera_Forum
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13 years ago

in-system reconfiguration without JTAG

In a Cyclone IV design with a serial configuration rom, is it possible to reprogram the rom in-system without using either the JTAG pins or using the FPGA to reprogram the rom? I would like to tie i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Yes, like the USB Blaster AS interface does. Deassert nCE and connect to the serial interface through tristate drivers.