2013-11-11 AM335x PRU PACKAGE bbb https://github.com/beagleboard/am335x_pru_package リファレンスガイドを含む。 https://github.com/beagleboard/am335x_pru_package/blob/master/am335xPruReferenceGuide.pdf http://osdir.com/ml/beagleboard/2013-07/msg00105.html