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Xilinx XAPP169 User Manual

Page 5

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MP3 NG: A Next Generation Consumer Platform

XAPP169 (v1.0) November 24, 1999

www.xilinx.com

5

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R

The RC32364 interfaces to the system through a 32-bit multiplexed address/data bus. The bus
offers a rich set of signals to control transfers of which only a subset was required for this
application.

Figure 4

shows the timing for read transactions on this bus.

M asterC lock

AD (31:0)

Addr

Data Input

Addr(3:2)

ALE

D ataEn*

Ack*

Last*

R d*

C IP*

I/D *

D T/R *

W r*

Addr

Data Input

W idth(1:0)

Figure 4: RC32364 Read Timing

(Courtesy IDT)