The MCS7840 is a USB 2.0 to Quad-Serial Port device. It has been developed to connect a wide range of standard serial devices to a USB host. The MCS7840 has a USB device controller connected to four (4) individual UARTs.

Features

	USB 2.0 Device Controller
	On-Chip USB 2.0 PHY
	Four (4) 16c450/16c550 compatible UARTS
	Supports RS-232, RS-422 and RS-485 Serial Ports
	5, 6, 7 & 8-bit Serial format support
	Supports hardware and software flow control
	Standard serial port speeds from 75 bps to 6 Mbits/sec. Customer-specified Baud rates are also supported
	Dual data FIFOs for upstream and downstream data transfers
	Supports Remote-Wakeup and Power Management features
	Serial Port transceiver shutdown support
	Two wire I2C Interface for EEPROM
	Supports write access for external EEPROM
	Without EEPROM, Selectable option to get default Serial Number or No Serial Number
	Two Bi-directional multi-function GPIO Lines
	Supports 8-Byte (UNICODE) Serial Number
	On-Chip buffers for Serial port signals can operate without external Transceivers over short cable lengths

Applications

	Serial Attached Devices
	Modems, Serial mouse, Generic serial devices
	Serial-Port server
	Data Acquisition System
	POS terminal & Industrial PC
	Support for the following serial communication programs
	HyperTerminal, PCOMM, Windows direct connection, Windows dialup connection through modem, Networking over IrDA and Windows direct connection over IrDA, Mini COMM