Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!usc!julius.cs.uiuc.edu!apple!goofy.apple.com!esmith From: esmith@goofy.apple.com (Eric Smith) Newsgroups: comp.sys.m68k Subject: Re: 68332 with MMU Message-ID: Date: 14 Nov 90 20:45:51 GMT References: <11249@goofy.Apple.COM> Sender: usenet@Apple.COM Organization: Frobozz Magic Widget Company Lines: 26 In-reply-to: keithley@applelink.apple.com's message of 14 Nov 90 18:26:40 GMT In article <11249@goofy.Apple.COM> keithley@applelink.apple.com (Craig Keithley) writes: > 68302 I forget... Anybody remember? The 68302 is based on a 68HC000 core instead of CPU32, and has three whiz-bang serial channels. > The 340 has a "background debug mode" implemented in IPU microcode. > Instruction execution is suspended when the 340 is in background mode. > Using the debug serial I/O port you can change registers, examine memory, > etc without needing a debug monitor. The 68331, 68332, and 68340 all have this feature. > My only complaint about the 683xx series is that they are too expensive > right now. That's for sure. They seem to be competing against 80186/8, 80960, and Z-180 type controllers, and though the 683xx parts are nice, I don't think they will get very many design wins unless they come up with more realistic pricing. -- Eric L. Smith Opinions expressed herein do not necessarily reflect those esmith@apple.com of my employer, friends, family, computer, or even me! :-)