Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

DDR3 on the Stratix III memory board

Hello I am new to Stratix III. I been trying to create a simple DDR3 Altmemphy test program for the Altera Stratix III memory board. Using the AN436 example as a guide I have a program compil...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Sorry for not being clear.

The S3 memory board has two jtag connector. One for the Stratix III and another for the Max II. I can connect my byte blaster II to the JTAG port of the Max II and I could detect the MaxII and program it. But when I connect it to Stratix III, I don't see S3 on the Jtag chain. I have to run the Altera S3 memory board software which load NIOS on the the chip before I see the Stratix III on the JTAG chain. But at this point, when I try to use my byte blaster II to program the device, I get halfway there then I get an error:

Error: Can't access JTAG chain

Error: Can't configure device. Expected JTAG ID code 0x021020DD for device 1, but found JTAG ID code 0xFFFFFFFF.

I don't see how the JTAG would be turned off since there is only one device on the chain.

Thank you for helping.

Victor