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Altera_Forum's avatar
Altera_Forum
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20 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
20 years ago

There is no capacity difference between 39vf160 and 29lv160. The FLASH is named according to their capacity by bit unit, 160 means 16M bits.

In SOPC the address is of Byte unit, so 16M bits=2M Bytes and the address is range from 0 to 1fffff!