Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

address decoding in vhdl

hello, I have a soft-core processor and an uart. in order to send the data from output of the processor to the input of uart vhdl module, i'm thinking that i need address decoding to writes the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

You can use the higher address bus lines.

Example: If you use the a12 and a13 lines

cs=a12 and a13;

cs is the chip select signal for uart. In this case the base address is 0x3000