请教一下J5 和MCU的SPI通讯所需的3路GPIO：IND,RDY,ACK ，其中的ACK,RDY是不是需要MCU侧都是中断口
专栏底层软件J5 SPI 外加的GPIO
J5 SPI 外加的GPIO
已解决
NanKai2022-12-02
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底层软件
征程5
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Lv.5您好，
mcu 为spi master
2022-12-0200 - DaitaoLv.1
您好：
J5和MCU通信的SPI的辅助信号 ACK RDY需要MCU侧均接到中断引脚。
如果MCU侧引脚紧张，至少保留RDY接到中断引脚。
谢谢
2022-12-0200
