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Altera_Forum
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17 years ago

AVALON_MM interface of TSE

Hello guys, In my system ,I want to use TSE without Niosii.I have use it within NiosII and it works very well.I read or wrote the AVALON_MM interface in TSE module to config the inner registers,bu...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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The datasheet is a bit confusing because it gives the registers address as seen from the software on a Nios II, which is an address in a 8-bit space. The address that you give to the MAC's avalon MM bus, on the other hand, is in a 32-bit space and you need to shift the address given in the datasheet by two bits before giving it to the TSE.

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Hi Daixiwen,

Would you mind give a more detailed explanation? I don't quite understand why we need to shift the address right by 2 bits when map from Nios II software address to TSE MAC on avalon MM bus. Thanks a lot!