Serial I/O Controller, 4 Channel(s), 0.1875MBps, CMOS, PQFP64, 10 X 10 MM, 1.40 MM HEIGHT, GREEN, LQFP-64
EXAR ST16C654CQ64-F UART Interface, 4 Channel, 1.5 Mbps, 2.97 V, 5.5 V, LQFP, 64 Pins