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Altera_Forum's avatar
Altera_Forum
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15 years ago

64Bit processer access

Hi all, If i have 64 bit slave component then it is possible to accses from NIOS using IOWR_64DIRECT same \for read..? Thaks in advance Regards DG
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

The CPU is limited to a 32 bit access, so you'll have to do two 32 bit reads/writes. They will probably be seen as two accesses by your slave, even if it is on a 64 bit bus.