address alignment

Oh i'm sorry, i'm a newbie here, I post the topic at uClinux forum yesterday! now I move it to here!

Dear everyone,

I couldn't understand the "address Behavior" clearly, which is in page 67 of mnl_avalon_spec.pdf.

In my nios2 system, tristate-bridge is used.

1, for SDRAM, connect FPGA-pin-addr0 to SDRAM A0 ,tristate-bridge is used

2, for SRAM, connect FPGA-pin-addr2 to SRAM A0 ,tristate-bridge is used

3, for a 8bit external chip,

connect FPGA-pin-addr0 to chip A0 ,tristate-bridge is used

3, for a 16bit external chip,

connect FPGA-pin-addr1 to chip A0 ,tristate-bridge is used

Is't right?

Could you please tell me what the avalon_bus_fabric do ?

and tell me the detailed dfifference between tristate-bridge and non_tristate-bridge!

Best Regards!

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