驱动能力是否足够,速率能支持到多少?,复用是否可行?
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SPI clock的最大速率是40MHz。请看数据手册上的tc(SPC)S 参数
8.9.4.1.2 SPI Peripheral Mode Switching Parameters
https://www.ti.com/lit/ds/symlink/awr2243.pdf
每个AWR2243有独立的SPI口,可以接FPGA。
我打算将8个awr2243的SPI的CLK/MOSI/MISO端口连接在一起连接到fpga的io上
共用一组线,这个没法同时传输。