| Features Number of Channels FIFO Protocol Voltage - Supply With Parallel Port With Auto Flow Control With IrDA Encoder Decoder With False Start Bit Detection With Modem Control With CMOS Mounting Type Package / Case | - 4, QUART 64 Byte RS485 2.97 V ~ 5.5 V - Yes Yes Yes Yes - Surface Mount 64-LQFP 64-LQFP (10x10) |