| ??? 04/25/06 18:26 Read: times |
#115016 - Explain a few things ... Responding to: ???'s previous message |
Richard, could you explain this again to me.
Richard Erlacher said:
This probably means that you might want to reconfigure your circuit such that the ADC receives A0, A1, and A2 (as used on the 2816) as its channel addresses RE Im trying to understand why you suggested that i did this ... becuase if i were to use the A15, A14 addresses then i would have a huge range to work with, and limiting myself to lower addresses would help? also Richard Erlacher said:
You'll probably want to invert the nRD strobe from the 8031 and use it as your OE to the ADC. It is only valid for read/write memory accesses, and won't affect your 2816 operation.
RE When you say nRD you mean the RD bit of port 3? If this is true then why would this work? does it have to do how the ports are multiplexed? I have made a few revisions of my schematic, I removed the 8 bit LED module because i decided im not going to display the distance of the walls. Before i implement it to my robot im going to have a simple control panal that i just made that will show if my robot is running, stopped, has an incline slope, decline slope, or in a dangerous environment (rocks). 
That way i can make sure i have a working design before i begin using the robot. ED |
