View Full Version : PIC microcontroller mappings?
RedOctober45
11-01-2008, 09:27
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!
Joe Ross
11-01-2008, 10:12
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.
RedOctober45
11-01-2008, 10:19
oops, sorry, missed that one. but thanks though!
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
Kevin Watson
11-01-2008, 22:22
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.
>PerWith the exception of the first twelve PWM ports, all external I/O is controlled by the user/slave processor.
-Kevin
RedOctober45
11-01-2008, 23:53
hmm didn't really know that but that helps :)
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