faq

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <meta name="GENERATOR" content="Quadralay WebWorks Publisher 5.0.2"> <meta name="TEMPLATEBASE" content="Portable HTML"> <meta name="LASTUPDATED" content="10/22/99 16:25:15"> <title>rabbitfa.htm</title> </head> <body link="#3366CC" vlink="#9999CC" text="#000000" alink="#0000CC" bgcolor="#FFFFFF" background="images/backgrnd.gif"> <p><img src="images/Rab_logo.gif" </p> <table width="331" border="0" align="right" cellpadding="0" cellspacing="0"> <tr> <td><img src="images/navtocx.gif" width="84" height="23" border="0" alt="TOC"> </td> <td><img src="images/navprevx.gif" width="80" height="23" border="0" alt="PREV"> </td> <td><a href="answers.htm"><img src="images/navnext.gif" width="83" height="23" border="0" alt="NEXT"> </a></td> <td><img src="images/navidxx.gif" width="84" height="23" border="0" alt="INDEX"> </a></td> </tr> </table> <p><br clear="all"> </p> <hr align="left"> <blockquote> <a name="984643"> </a><font size="3" face="Times, serif"><a href="answers.htm#931820"></a><a href="answers.htm#951537">Q. Why did you chose the name "Rabbit" for a microprocessor?</a><br></font> <a name="984645"> </a><font size="3" face="Times, serif"><a href="answers.htm#931354">Q. What's different about the Rabbit compared to other microprocessors such as the Z80, Z180, 8051, V25, etc.?</a><br></font> <a name="984647"> </a><font size="3" face="Times, serif"><a href="answers.htm#951616">Q. Describe the Dynamic C development software used with the Rabbit.</a><br></font> <a name="984649"> </a><font size="3" face="Times, serif"><a href="answers.htm#951618">Q. What are some of the future software plans for Rabbit Dynamic C?</a><br></font> <a name="984651"> </a><font size="3" face="Times, serif"><a href="answers.htm#951620">Q. Will there be a next generation of the Rabbit?</a><br></font> <a name="984653"> </a><font size="3" face="Times, serif"><a href="answers.htm#931364">Q. How does the Rabbit's performance compare to a Z80 or Z180?</a><br></font> <a name="984655"> </a><font size="3" face="Times, serif"><a href="answers.htm#931504">Q. The Z180 is available with clock speed of 33 MHz while the Rabbit has a maximum clock speed of 30 MHz. How can the Rabbit be three times faster?</a><br></font> <a name="984657"> </a><font size="3" face="Times, serif"><a href="answers.htm#951569">Q. How does the Rabbit floating-point performance stack up compared to an 8088 type of processor?</a><br></font> <a name="984659"> </a><font size="3" face="Times, serif"><a href="answers.htm#936102">Q. What are some important new instructions on the Rabbit?</a><br></font> <a name="984661"> </a><font size="3" face="Times, serif"><a href="answers.htm#931598">Q. Give some examples of how the Rabbit's new instructions speed up operations.</a><br></font> <a name="984663"> </a><font size="3" face="Times, serif"><a href="answers.htm#939943">Q. Can I port existing Z80 or Z180 assembly code to the Rabbit?</a><br></font> <a name="984665"> </a><font size="3" face="Times, serif"><a href="answers.htm#934836">Q. How do input/output instructions work on the Rabbit?</a><br></font> <a name="984667"> </a><font size="3" face="Times, serif"><a href="answers.htm#933532">Q. Why didn't you keep strict compatibility with the Z80 and Z180?</a><br></font> <a name="984669"> </a><font size="3" face="Times, serif"><a href="answers.htm#934830">Q. Why did you change the Z180 memory mapping unit?</a><br></font> <a name="984671"> </a><font size="3" face="Times, serif"><a href="answers.htm#936077">Q. How does the Rabbit execute programs larger than the 64K addressing space of the 16-bit addresses used in the instructions?</a><br></font> <a name="984673"> </a><font size="3" face="Times, serif"><a href="answers.htm#936095">Q. Can the Rabbit access data in the full 1-megabyte memory space?</a><br></font> <a name="984675"> </a><font size="3" face="Times, serif"><a href="answers.htm#937360">Q. Why does the Rabbit have multiple interrupt priorities?</a><br></font> <a name="984677"> </a><font size="3" face="Times, serif"><a href="answers.htm#933506">Q. What is cold boot and what are the advantages?</a><br></font> <a name="984679"> </a><font size="3" face="Times, serif"><a href="answers.htm#933513">Q. What is cloning and what is it used for?</a><br></font> <a name="984681"> </a><font size="3" face="Times, serif"><a href="answers.htm#941557">Q. Describe the on-chip serial ports.</a><br></font> <a name="984683"> </a><font size="3" face="Times, serif"><a href="answers.htm#931431">Q. Describe the slave port and how it can be used.</a><br></font> <a name="984685"> </a><font size="3" face="Times, serif"><a href="answers.htm#943437">Q. Give some examples of typical applications for a Rabbit slave system.</a><br></font> <a name="984687"> </a><font size="3" face="Times, serif"><a href="answers.htm#931417">Q. Describe the on-chip parallel I/O.</a><br></font> <a name="984689"> </a><font size="3" face="Times, serif"><a href="answers.htm#931427">Q. Describe the on-chip battery backable clock.</a><br></font> <a name="984691"> </a><font size="3" face="Times, serif"><a href="answers.htm#931429">Q. Describe the glueless memory interface.</a><br></font> <a name="984693"> </a><font size="3" face="Times, serif"><a href="answers.htm#933297">Q. How do you program a Rabbit-based system?</a><br></font> <a name="984695"> </a><font size="3" face="Times, serif"><a href="answers.htm#931406">Q. Do I have to include the programming port in my system?</a><br></font> <a name="984697"> </a><font size="3" face="Times, serif"><a href="answers.htm#931798">Q. Z-World offers a $49 small controller board called the Jackrabbit that is based on the Rabbit processor. How does the Jackrabbit compare with the $39 Stamp single board computer produced by Parallax, Inc.?</a><br></font> <a name="984699"> </a><font size="3" face="Times, serif"><a href="answers.htm#931795">Q. Describe the low-power "sleepy" mode of operation.</a><br></font> <a name="984701"> </a><font size="3" face="Times, serif"><a href="answers.htm#933169">Q. Describe the Rabbit's features that make it suited for low-power or battery-operated applications.</a><br></font> </blockquote> <hr> <table align="right" border="0" cellspacing="0" cellpadding="0"> <tr> <td align="right"><font size="1"><a href="http://www.rabbitsemiconductor.com">Rabbit Semiconductor</a><br> http://www.rabbitsemiconductor.com<br> Voice: (530) 757-8400<br> FAX: (530) 757-8402<br> <a href="mailto:sales@rabbitsemiconductor.com">sales@rabbitsemiconductor.com</a><br> </font></td> </tr> </table> <table width="331" border="0" align="left" cellpadding="0" cellspacing="0"> <tr> <td><img src="images/navtocx.gif" width="84" height="23" border="0" alt="TOC"> </td> <td><img src="images/navprevx.gif" width="80" height="23" border="0" alt="PREV"> </td> <td><a href="answers.htm"><img src="images/navnext.gif" width="83" height="23" border="0" alt="NEXT"> </a></td> <td><img src="images/navidxx.gif" width="84" height="23" border="0" alt="INDEX"> </a></td> </tr> </table> </body> </html>