ee357_hw6 (1)

ee357_hw6 (1) - EE 357 Homework 6 Spring 09 Redekopp Name:...

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EE 357 Homework 6 Spring ’0 9 ● Redekopp Name: ___________________________________________ Due: Tues. April 7 th in class Score: ________ Submit your answers via Blackboard. Follow the submission instructions. 1.) (12 pts.) A certain memory controller connects a processor with a 32-bit address bus (A31- A0) and 64-bit data bus to a memory system consisting of 2 SIMM’s (ranks). Each SIMM has consists of (8) 64M x 8-bit chips (i.e. each addressable unit/column grouping is 8-bits). Each of these chips has 2 banks with 8K rows each. In the table below, show the address bit ranges that will be used for each portion. Do so by writing in An Am where n and m are the most and least significant bit indexes for that range (e.g. A5-A2). Unused MSBs Rank Row Bank Column Unused (64-bit data bus) 2.) (12 pts.) A certain memory controller connects a processor with a 36-bit address bus (A35- A0) and 32-bit data bus to a memory system consisting of 2 DIMM’s (4 ranks). Each DIMM has consists of (8) 128M x 4-bit chips (i.e. each addressable unit/column grouping is 4-bits). Each of these chips has 4 banks with 1024 (1K) rows each. In the table below, show the address bit ranges that will be used for each portion. Do so by writing in An Am where n and m are the most and least significant bit indexes for that range (e.g. A5-A2).
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ee357_hw6 (1) - EE 357 Homework 6 Spring 09 Redekopp Name:...

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