Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations Chris Miller on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

VHDL ISA Bus Assignment Help

Status
Not open for further replies.

extremepilot

Technical User
Mar 4, 2007
2
US
For an introductory VHDL course, I have to code an ISA bus based off of 4 timing diagrams. I have very little VHDL knowledge and am not sure where to get started. Any advice or help is greatly appreciated. The timing diagrams are attached. Here is the assignment:



Information provided for this project:
1. ISA Signal Descriptions
2. ISA Timing Diagrams for the eight bit data bus
Design VHDL code that represents the four timing diagrams that have been provided for
this project:
-8-Bit I/O Bus Cycles for Read and Write
-8-Bit Memory Bus Cycles for Read and Write
-I/O Conversion Bus Cycles for Read and Write
i. This is for 16 bit transfers to and from 8 bit slaves
-Memory Conversion Bus Cycles for Read and Write
i. This is for 16 bit transfers to and from 8 bit slaves
The ISA bus clock is eight mega-hertz (125 nanosecond)
I recommend that you use a behaviorial model for your code.
Demonstrate using a timing diagram (eight total diagrams for the report) that your design


Any help is hugely appreciated.
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top