hw8sol - words for the following microoperations are: D A...

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ECE 2030F Homework 8 Solution (Total 50 Points) 1. (Mano/Kime 3 rd ed problem 9-8): (10 points) A DRAM has 4096 (= 2 12 ) rows, so the minimum number of address pins is 12. The interval between refreshes is 128ms/4096 = 31.25 μ s. 2. (Mano/Kime 3 rd ed problem 10-2): (20 points) Sign N = F 7 Zero Z = 0 1 2 3 4 5 6 7 F F F F F F F F + + + + + + + Overflow V = C 8 C 7 Carry C = C 8 Logic circuit: 3. (Mano/Kime 3 rd ed problem 10-9): (20 points) Using Table 10-5: Encoding of Control Word for the Datapath, the 16-bit control
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Unformatted text preview: words for the following microoperations are: D A AA BA MB FS MD RW (a) R0 R1 + R7 000 001 111 0 0010 0 1 (b) R7 0 111 000 000 0 1010 0 1 (c) R6 sl R6 110 xxx 110 0 1110 0 1 (d) R3 sr R4 011 xxx 100 0 1101 0 1 (e) R1 R7 + 1 001 111 xxx x 0001 0 1 (f) R2 R4 Constant in 010 100 xxx 1 0101 0 1 (g) R1 R2 R3 001 010 011 0 1010 0 1 (h) R5 Data in 101 xxx xxx x xxxx 1 1...
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