Sharing I/O and External Bus using Processor Expert

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Sharing I/O and External Bus using Processor Expert

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ETCTim
Contributor I
Hello,
I am using the 56F8346 DSP. I want to use A0 thru A10 as the address bus, and then use the remaining A pins as GPIO.
 
Can I set this up in PE? When I turn on the address bus, PE conflicts with the BitIO beans that I setup for the remaining pins. Can I tell PE that I only want to use certain address and data lines for the external bus?
 
Thanks,
Tim
 
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ProcessorExpert
Senior Contributor III
The current version of Processor Expert allows only to enable/disable the whole external bus. However, this feautre has already been implemented into the next upcoming version of Processor Expert.
 
best regards
Petr Hradsky
Processor Expert Support Team
UNIS
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imajeff
Contributor III
If it's like the MC9S12, you could only configure the port as GPIO (then bitbang it), or configure the whole port to be an address bus (expanded i/o).
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