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Unread 11-01-2008, 09:27
RedOctober45 RedOctober45 is offline
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PIC microcontroller mappings?

Is there any documentation that has the pin mappings of the actual PIC microcontroller to the control module pins (or whatever you call it)?

Thanks!

Last edited by RedOctober45 : 11-01-2008 at 09:50.
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Unread 11-01-2008, 10:12
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Re: PIC microcontroller mappings?

bear24rw already pointed you to http://kevin.org/frc. On that page, there is a "robot_controller_signal_map.pdf" which should be what you want.
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Unread 11-01-2008, 10:19
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Re: PIC microcontroller mappings?

oops, sorry, missed that one. but thanks though!
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Unread 11-01-2008, 18:47
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Re: PIC microcontroller mappings?

Quote:
Originally Posted by RedOctober45 View Post
Is there any documentation that has the pin mappings of the actual PIC microcontroller to the control module pins (or whatever you call it)?

Thanks!
If I am not mistaken, the robot controller is really two PIC processors with one shell casing. The pins you see outside represent a superset of the two processors, with the caveat that the pins tied to the master processor have an inherent latency governed by the cross communication taking place between the two using FRC software. As a FIRST developer your software lives in one of the processors and so you only have direct control over the pins wired to that processor. The other ones are "remote" pins.

>Per
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Unread 11-01-2008, 22:22
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Re: PIC microcontroller mappings?

Quote:
Originally Posted by psh View Post
If I am not mistaken, the robot controller is really two PIC processors with one shell casing. The pins you see outside represent a superset of the two processors, with the caveat that the pins tied to the master processor have an inherent latency governed by the cross communication taking place between the two using FRC software. As a FIRST developer your software lives in one of the processors and so you only have direct control over the pins wired to that processor. The other ones are "remote" pins.

>Per
With the exception of the first twelve PWM ports, all external I/O is controlled by the user/slave processor.

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Unread 11-01-2008, 23:53
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Re: PIC microcontroller mappings?

hmm didn't really know that but that helps
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