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我在用tms320f28069m launchpadxl调试motorware历程proj-11d 同一个电机和同一个drv8301驱动板 插在在launchpad 电机1口 电机在100转时很平滑。而在电机2口 ,在100转时抖动很厉害,这是为什么? 难道买到了 假的 launchpad的?