Compe475T2_Fa10 - CompE 475 Mid-term exam #2 T2xECD041...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
CompE 475 Mid-term exam #2 T2xECD 041 Name:___________________ 1 Part A - CLOSED BOOK/NOTES use other side of page if necessary Definitions: (2 pts each) use complete sentences, diagrams are ok 1) Partial address decoding 2) Address access time 3) Memory mapped I/O 4) Chip enable access time 5) Output disable time 6) There are two kinds of design flaw that can cause bus contention, one of therm is timing related. 15 pts a) What is the other type of design flaw? b) Why is bus contention a problem? c) List two design changes, one for each type of flaw.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CompE 475 Mid-term exam #2 T2xECD 041 Name:___________________ 2 7) When evaluating the timing specifications, I.C. specification sheets list the test output loading conditions under which the chip is specified to operate. (e.g. C L = xxpF) What can you do when they're exceeded? (When actual load C > C L ) 10 pts LIST TWO potential solutions: 8) An address latch is required for a multiplexed address and data bus on the Freescale S12 CPU’s external bus interface. 15 pts a) Why? b) If an 8 bit wide external memory must be supported, how many bits of address latch are required? c) Should the latch be an edge sensitive (’x74 style) or level sensitive (’x73 style)?
Background image of page 2
CompE 475 Mid-term exam #2 T2xECD 041 Name:___________________
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/26/2012 for the course COMPE 475 taught by Professor Staff during the Spring '08 term at San Diego State.

Page1 / 7

Compe475T2_Fa10 - CompE 475 Mid-term exam #2 T2xECD041...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online