cRIO FPGA example with FIFOs. Demonstration of fast data streaming through fifo. The FPGA Templates section has one template for Delta Sigma based modules and one template for SAR based modules. Under the FPGA target you will also find the DMA Channel, and a PDF document describing how to customize the FPGA VIs for your hardware configuration.-cRIO FPGA example with FIFOs. Demonstration of fast data streaming through fifo. The FPGA Templates section has one template for Delta Sigma based modules and one template for SAR based modules.　Under the FPGA target you will also find the DMA Channel, and a PDF document describing how to customize the FPGA VIs for your hardware configuration.