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本帖最后由 zhouzhiping849 于 2010-6-18 14:49 编辑
[size=144%]•DBus clock rate 150 MHz, data width 64 bits
[size=133%]–Client-A: 75 MHz, data width 16 bits
[size=133%]–Client-B: 150 MHz, data width 24 bits
[size=133%]–Client-C : 50 MHz, data width 8 bits
[size=133%]–Assume it takes 20 cycles to change client service
[size=133%]–Assume every FIFO can be fed fully during its porch
[size=144%]•Please decide the FIFO depth and request length for each client for round-robin arbitrator? |
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