XR17V258 Datasheet PDF

Exar Corporation XR17V258

THE XR17V258 16C550 compatible register Set 64-byte TX and RX FIFOs with level counters and programmable trigger levels Fractional baud rate generator Automatic RTS/CTS or DTR/DSR hardware flow control with programmable hysteresis Automatic Xon/Xoff software flow control RS-485 half duplex direction control output with selectable turn-around delay Infrared (IrDA 1.0) data encoder/decoder Programmable data rate with prescaler AD [31 :0] C /B E#[3:0] U AR T C h an nel 0 64-b yte TX FIFO UA RT IR Re gs TX & RX EN D E C BR G 64-b yte RX FIFO T X[7:0] R X[7:0] P AR F R AM E # T R D Y# IR D Y# S T...