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Altera_Forum's avatar
Altera_Forum
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21 years ago

i am confused by the flash address

hi all i use am29lv160db as the flash of nios system, i set it to work under the mode of 16 bit, and the address is 20 bit! the address that the flash is assigned to by the sopc is from 0x00000...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

1ffff means 2M Bytes, not 2M*16-bit. The address space is of Byte unit, not 16-bit or 32-bit.

Avalon bus can deal with different data width by dynamic align no matter what data width is.