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Altera_Forum
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20 years ago

Address Exception

Hi We are using a SRAM that has a 16-bit wide data bus and /BLE and /BHE signals for byte-write. Writing bytes to addresses 0 to 7 works, with BLE and BHE behaving as expected, although A0...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Hi Jason,

> Writing words to addresses 0 to 3 is fine when the addresses are even. When the

> addresses are odd, though,

...

Don't do this -- writing a halfword to an odd address results in and undefined

operation. Take a look at the instruction set for details.

> Is there an address exception?

No.

Regards,

--Scott