Description

RS232/RS485 Dual Multiprotocol Transceiver with Integrated Termination Features:Four RS232 and Two RS485 Transceivers3V to 5.5V Supply Voltage20Mbps RS485 and 500kbps RS232Automatic Selection of Integrated RS485 (120Ω) and RS232 (5kΩ) Termination ResistorsHalf-/Full-Duplex RS485 SwitchingLogic Loopback ModeHigh ESD: ±16kV on Line I/O1.7V to 5.5V Logic InterfaceSupports Up to 256 RS485 NodesRS485 Receiver Full Failsafe Eliminates UART LockupAvailable in 38-Pin 5mm × 7mm QFN Package