GENERAL DESCRIPTION

The XR28V382 (V382) is a dual Universal Asynchronous Receiver and Transmitter (UART) for the Intel Low Pin Count (LPC) bus interface. This device can replace or supplement a Super I/O device to add additinal serial ports to the system.

FEATURES

• 128 Byte Transmit and Receive FIFO

• Compliant to LPC 1.1 Specifications

• -40°C to +85°C Industrial Temp Operation

• Watchdog Timer with WDTOUT# signal

• 2 independent UART channels

■ Programmable I/O mapped base addresses

■ Data rates up to 3 Mbps

■ Selectable RX FIFO interrupt trigger levels

■ Auto RS-485 Half-Duplex Control mode

■ Programmable character lengths (5, 6, 7, 8) with even, odd, or no parity

■ IrDA mode and separate IRTXA# and IRRXA# pins for the first UART channel

■ 9-bit (Multidrop) mode

• External 24MHz/48MHz clock

• Single 3.3V Supply Voltage ( ± 10)

• 5V tolerant inputs

• 32-QFN package (5mm x 5mm)

APPLICATIONS

• Industrial and Embedded PCs

• Factory Automation and Process Controls

• Network Routers

• System Board Designs