STM32F407ZGT6+LAN9252

购买链接：https://h5.m.taobao.com/awp/core/detail.htm?ft=t&id=787571727774

调试工具下载可参考这里https://www.wtbing.cn/thread-45.htm

测量 PDI communication cycle time (EASYCAT.MainTask();) 从开始到返回，时间周期

SSC	MCU	SPI driver	SPI speed	value [us]
EasyCAT	AtM328P	Arduino	8 MHz	196
EasyCAT	STM32F4	Arduino	8 MHz	210
EasyCAT	STM32F4	Arduino	42 MHz	118
EasyCAT	STM32F4	Arduino	42 MHz	107
EasyCAT	STM32F4	SPL	5.25 MHz	123
EasyCAT	STM32F4	SPL	42 MHz	35

1：LED和开关量输入演示视频：https://www.bilibili.com/video/BV1Bi42127cz/?share_source=copy_web&vd_source=0982bb8c48ac987ebe82a6f2cc321117

 

上传的附件：

• STM32F407ZGT6-SPI-LAN9252-原理图.zip
• F407ZGT6_SPI_9252.zip