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17. 17. The protocol for a certain data bus is shown in the table below. Draw the corresponding timing diagram. : Salient Bus Time Meaning Signal Assert Read Bus is needed for reading (not writing) to Assert Address Indicates where bytes will be written t, Assert t2 Request read to address on address lines Request t3- Data Lines t, Read data (requires several cycles) Acknowledges read request, bytes placed on data lines Assert t4 Ready Lower Request signal no longer needed Request Lower ts Release bus Ready Roquost Adduss Witelread Ready Data (Bus) clock Time Salient bus signal Meaning Assert wile Assert adktrens Indiontes whore tyns wil be witen Assert request Fequest wnite to addess on address Ines Assert ready Ackrowledges wile reguest, byes piaced on dala ines Datn ines Vrita data (requims soveral cydae) Lower reacy Felease bus FIGURE 7.11 A Bus Timing Diagram

17. 17. The protocol for a certain data bus is shown in the table below. Draw the corresponding timing diagram. : Salient Bus Time Meaning Signal Assert Read Bus is needed for reading (not writing) to Assert Address Indicates where bytes will be written t, Assert t2 Request read to address on address lines Request t3- Data Lines t, Read data (requires several cycles) Acknowledges read request, bytes placed on data lines Assert t4 Ready Lower Request signal no longer needed Request Lower ts Release bus Ready Roquost Adduss Witelread Ready Data (Bus) clock Time Salient bus signal Meaning Assert wile Assert adktrens Indiontes whore tyns wil be witen Assert request Fequest wnite to addess on address Ines Assert ready Ackrowledges wile reguest, byes piaced on dala ines Datn ines Vrita data (requims soveral cydae) Lower reacy Felease bus FIGURE 7.11 A Bus Timing Diagram

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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we have not provided for any type of error handling, such as if the address on the address lines were invalid, or if the memory couldn’t be read because of a hardware error. What could we do with our bus model to provide for such events?

17. 17. The protocol for a certain data bus is shown in the table below. Draw the corresponding timing diagram. : Salient Bus Time Meaning Signal Assert Read Bus is needed for reading (not writing) to Assert Address Indicates where bytes will be written t, Assert t2 Request read to address on address lines Request t3- Data Lines t, Read data (requires several cycles) Acknowledges read request, bytes placed on data lines Assert t4 Ready Lower Request signal no longer needed Request Lower ts Release bus Ready
Transcribed Image Text:17. 17. The protocol for a certain data bus is shown in the table below. Draw the corresponding timing diagram. : Salient Bus Time Meaning Signal Assert Read Bus is needed for reading (not writing) to Assert Address Indicates where bytes will be written t, Assert t2 Request read to address on address lines Request t3- Data Lines t, Read data (requires several cycles) Acknowledges read request, bytes placed on data lines Assert t4 Ready Lower Request signal no longer needed Request Lower ts Release bus Ready
Roquost Adduss Witelread Ready Data (Bus) clock Time Salient bus signal Meaning Assert wile Assert adktrens Indiontes whore tyns wil be witen Assert request Fequest wnite to addess on address Ines Assert ready Ackrowledges wile reguest, byes piaced on dala ines Datn ines Vrita data (requims soveral cydae) Lower reacy Felease bus FIGURE 7.11 A Bus Timing Diagram
Transcribed Image Text:Roquost Adduss Witelread Ready Data (Bus) clock Time Salient bus signal Meaning Assert wile Assert adktrens Indiontes whore tyns wil be witen Assert request Fequest wnite to addess on address Ines Assert ready Ackrowledges wile reguest, byes piaced on dala ines Datn ines Vrita data (requims soveral cydae) Lower reacy Felease bus FIGURE 7.11 A Bus Timing Diagram
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