赞
踩
例:
S100D: Cofigure GPIO31 and GPIO33 to INPUT PULL UP. OEMSBL would check VOL+ and VOL- to enter download mode, becase we only checked the low status, so we need set these two GPIO to input pull up, otherwise, we can't get right status.
Copyright © 2003-2013 www.wpsshop.cn 版权所有,并保留所有权利。