咨询一下,论坛里的大神们。28377S里面的3.3V和1.2V的上电和下电有时序要求么?在数据手册哪一栏可以找到相关具体说明?谢谢了。
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Hi jinju li,
有的,看一下zhcse97j_TMS320F2837xS 微控制器 datasheet (Rev. J)的7.9.1 电源时序(中文),
或者SPRS881J_TMS320F2837xS Microcontrollers datasheet (Rev. J)的7.9.1 Power Sequencing(英文)。
简单来说,所有的3.3V与1.2V应该同时上下电。
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