Busy /Ack Time
|1||Get next byte of data
T=0.5us Release /Strobe, Assert Data
|2||T=0.5us, Assert /Strobe, Assert Data||2||1||2c||6||5||3d||3|
|3||T=0.5us, Release /Strobe, Assert Data||5||3||4||3||4||3e||4f|
|4||T=10s, Release /Strobe and Data||5i||4h||1||5||4g||6|
|5||T=5ms, Release /Strobe and Data||5j||6||1k||5||5||4|
b: bAT - We have been waiting .5us, now its time to:
d: BAt - We have a Busy from the printer in response to our /Strobe. Do we need to wait anyway? If so make this a 2 and move to 3 when BAT.
f: BAT - Data was kept up for .5us, now we can:
i: bat - The printer is asserting /Ack
k: bAt - The /Ack is over, we can repeate the process.
|file: /Techref/io/parallel/states.htm, 6KB, , updated: 2008/3/18 10:57, local time: 2017/9/19 13:37,
|©2017 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?|
<A HREF="http://techref.massmind.org/techref/io/parallel/states.htm"> io parallel states</A>
|Did you find what you needed?|
Welcome to massmind.org!
Welcome to techref.massmind.org!