07-24-2019 05:40 AM
I'm working with ZCU102 board and created 2 AXI Masters next I want to connect both I2C Masters on I2C bus inside FPGA. Is it possible? If yes, how to do it?
07-24-2019 06:06 AM
I2C need bi directional and open collector signals,
you dont have them inside the FPGA.
Something like SPI might be more appropreate,
07-24-2019 06:35 AM
IOBUFs are for input and output. The only way you can use them for I2C "on chip" is to physically connect the relevant pins on the PCB.
You should be able to just AND all your I2C SDA pins together (and same for SCL), which will give much the same effect as an open drain system.