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You could refer to the slave FIFO example along with SDK.
Also you could refer to AN65974. SPI interface will not be available when you transfer data with 32-bit data bus.
thanks for reply
How I can receive data from host though UART or I2C at the same time I am sending data to host through 32 bit parallel bus in slave sync fifo mode.
what is the consumer and producer end point numbers for UART and I2C data transfer along with slave sync fifo mode in the
firm ware downloaded from AN65974
If you want to FX3 communicates with PC, you could use EP0 through USB control transfer or other bulk/ISOC/Interrupt endponit.
I am not sure why do you want to use I2C/UART. Do you mean you will use USB to I2C/UART bridge to connect FX3 with host?