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https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1598648/tms320f28377d-regarding-the-handling-method-of-terminals
器件型号： TMS320F28377D
Shingu、请务必在数据表中搜索“未使用的引脚“：
5.5 未使用引脚的连接
