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MCS7840
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
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