FT245U169 FIFO Loopback This program transmits data through the FT245BM FIFO data bus to the MSP430F169 on Port 4. The data is decremented and sent back out of Port 4 to to FIFO on the FT245BM. Use Hyperterminalto send and receive data. FIFO control lines are on Port2 (P2.0-P2.3).