68300

Hi Guys:
 
    Be sure to take a look at http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MC68332&nodeId=018rH3YTLC0795.  This is the website for the MC68332.  You will need the macroassembler (http://www.freescale.com/files/microcontrollers/software_tools/assemblers/TPUMASMASM.exe) and the TPU mask functions (http://www.freescale.com/files/microcontrollers/software/app_software/microcode/TPUMSKAFW.zip and http://www.freescale.com/files/microcontrollers/software/app_software/microcode/TPUMSKGFW.zip).  Most of this should be self explanatory once you see how the function libraries are configured for mask A and mask G.  You may also want to reference http://www.freescale.com/files/microcontrollers/doc/app_note/TPUPN00.pdf since it discusses using the 68332 in emulation mode.
 
    On your original problem is it possible for you to use the NITC function.  I realize that it is more complicated than the DIO, but it may work.  Hope this helps.
 
Regards,
 
John Honnold
Freescale Semiconductor
Technical Information Center
MCU 16/32 Bit Applications Engineer
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	-----Original Message-----
	From: 68300@yahoogroups.com [mailto:68300@yahoogroups.com] On Behalf Of Zoltán Kócsi
	Sent: Friday, December 09, 2005 3:39 AM
	To: 68300@yahoogroups.com
	Subject: Re: [68300] TPU as a input Mask set G
	
	
	> Or do you have any other ideas how to use the tpu channel as an input?
	> 
	> Freundliche Gruesse aus der kalten Schweiz
	> 
	> Ivo 
	
	Compile your own TPU function set. It sounds scary but actually it is
	fairly easy. You can mix and match any functions from sets A and G
	(well, as long as the end fits in the TPU RAM) or you can roll your
	specialised functions, if you are so inclined. Your code will be
	a bit larger (because you will have the TPU code in it) and you lose
	the TPU RAM as RAM, but apart from that it works as the original mask.
	
	You can use the free (as in beer) Motorola TPU assembler if you are
	running DOS or Windows or TAS, the free (as in beer and as in liberty)
	TPU assembler if you run some sort of Linux or any other system that
	supports gcc, bison, flex and make.
	
	I don't know where to find the Motorola assembler. TAS is available
	on http://www.bendor.com.au/TAS and you can find a lot of useful info
	about the TPU on http://www.eslave.net.
	
	The source code for the mask sets can be found somewhere on Freescale's
	website, Motorola made them public a long time ago.
	
	Best Regards,
	
	Zoltan
	
	
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