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Honored Contributor
Honored Contributorallocating pipe in sopc(compactflash)
when I design the socket between up3 board and compactflash, because the compactflash works in TRUEIDE mode ,so I directly attached the atasel_n pin to GND. rfu and we_n pin to VCC,and I don't al...
Altera_ForumHonored Contributor
Honored Contributoryesterday,we change to use ep2c35 board
and i use the test code from niosforum the result is : IDE_initialize(): error: verify fail: wrote 0x0, read 0xFF IDE_initialize(): error: verify fail: wrote 0x1, read 0xFF IDE_initialize(): error: verify fail: wrote 0x2, read 0xFF IDE_initialize(): error: verify fail: wrote 0x3, read 0xFF IDE_initialize(): error: verify fail: wrote 0x4, read 0xFF IDE_initialize(): error: verify fail: wrote 0x5, read 0xFF IDE_initialize(): error: verify fail: wrote 0x6, read 0xFF IDE_initialize(): error: verify fail: wrote 0x7, read 0xFF IDE_initialize(): error: verify fail: wrote 0x8, read 0xFF IDE_initialize(): error: verify fail: wrote 0x9, read 0xFF IDE_initialize(): error: failed register write/readback test. Cannot initialize IDE device. why? and when i read every regisiter ,the result all is 0xff. though I write other figure to regisiter first!!!!!!!!!!!!!!!!!!!!!!!!!! why/??????????
