MCS7840
USB-2.0 to Four Serial Ports
MosChip Semiconductor ♦ 3335 Kifer Rd, Santa Clara, CA 95051 ♦ Tel (408) 737-7141 ♦ Fax (408) 737-7708
Ordering Information
Commercial Grade (0 °C to +70 °C)
MCS7840CV
64-LQFP
RoHS
Features
•
USB-2.0 Device Controller
•
On-Chip USB-2.0 PHY
•
On-Chip Voltage Regulators
•
Four 16c450/16c550 compatible UARTs
•
Supports SIR IrDA Mode on any/all ports
•
Supports RS-232, RS-485 and RS-422
Serial Ports
•
5, 6, 7 & 8-bit Serial Data support
•
Hardware and Software Flow Control
•
Serial Port speeds from 50 bps to 6 Mbps
•
Custom BAUD Rates supported through
external clock and/or by programming the
internal PLL
•
On-Chip 512-Byte FIFOs for upstream and
downstream data transfers for each Serial
Port
•
Supports Remote Wakeup and Power
Management features
•
Serial Port Transceiver Shut-Down
support
•
Two-Wire I2C Interface for EEPROM
•
EEPROM read/write through USB
•
iSerial feature support with EEPROM
•
One Bi-directional multi-function GPIO
•
On-Chip buffers for Serial Port signals to
operate without external Transceivers over
short cable lengths
•
Bus-Powered Device
Applications
•
Serial Attached Devices
•
Modems, Serial Mouse, Generic Serial
Devices
•
Serial-Port Server
•
Data Acquisition System
•
POS Terminal & Industrial PC
General Description
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.
Support for the following serial communication
programs is included:
HyperTerminal, PComm, Windows direct
connection, Windows dial-up connection through
modem, Networking over IrDA and Windows direct
connection over IrDA, Minicom.
Application Note
•
AN-7840
Evaluation Board
•
MCS7840-EVB
Package
•
64-pin LQFP Package
Driver Support
•
Windows
(98SE / ME / 2000 / XP / 2003 Server)
•
Linux Kernel 2.6.5 and above
•
MAC 10.2 & above
•
Windows CE5.0
•
Windows Vista
Utility Support
•
Windows based EEPROM Tool
•
Mass Production Utility
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