Description
The XR17V2521 (V252) is a single chip 2-channel 66MHz PCI UART (Universal Asynchronous Receiver and Transmitter) solution, optimized for higher performance and lower power.
Features
- fully programmable TX and RX FIFO level triggers, automatic hardware and software flow control, and automatic RS-485 half duplex direction control output for software and hardware design simplification. NOTE 1: Covered by U. S. Patents #5,649,122 and #5,949,787.
- Multi-port RS-232/RS-422/RS-485 Cards.
- Point-of-Sale Systems.