SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
Figure 12-319 shows the MCSPI3 connected as a master to MCU_MCSPI1 internally in the device. These MCSPIs also support external connectivity when configured in CTRL_MMR.
Figure 12-320 shows the MCSPI4 connected as a slave to MCU_MCSPI2 internally in the device. MCSPI4 and MCU_MCSPI2 are not pinned out externally.