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我想用外部信号控制这个板子进行数据采集

Part Number: MMWCAS-RF-EVM

MMWCAS-RF-EVM: 有两块AWR2243四芯片级联的板子,怎么实现同步触发,让两块开发板同时工作呢? - 传感器论坛 - 传感器 - E2ETm 设计支持 (ti.com),看到这篇文章中有提到能实现,但对于如何实现好像没有提及

是将r142连接0欧电阻,然后将外部信号加到TP1_1上吗