参考手册 (1) Intelligent, Motion-Sensing Platform Hardware Reference Manual for MMA955XL, including the MMA9553L and the MMA9559L[MMA955XLHWRM] PDFAug 15, 2013版本更新 1.0 快速参考指南 (1) KITMMA9555LEVM Quick Start Guide[MMA9555LQSG] PDFMay 7, 2015版本更新 0 数据手册 (1) MMA9555L Intelligent Motion-Sensing Pedometer - Data sheet[MMA9555L] PDFSep 12, 2016版本更新 2.3
