Serial Controller. MCS7840 Datasheet

MCS7840 Controller. Datasheet pdf. Equivalent

MCS7840 Datasheet
Recommendation MCS7840 Datasheet
Part MCS7840
Description USB 2.0 to Quad Serial Controller
Feature MCS7840; MCS7840 USB 2.0 to Quad Serial Controller Features • USB-2.0 Device Controller • On-Chip USB-2.0 PH.
Manufacture ASIX
Datasheet
Download MCS7840 Datasheet




ASIX MCS7840
MCS7840
USB 2.0 to Quad Serial Controller
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
Application Note
AN-7840
Evaluation Board
MCS7840-EVB
Package
64-pin LQFP Package
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.
Ordering Information
Commercial Grade (0 °C to +70 °C)
MCS7840CV-AA
64-LQFP
RoHS
1
Copyright © 2006-2011 ASIX Electronics Corporation. All rights reserved.



ASIX MCS7840
MCS7840
USB 2.0 to Quad Serial Controller
Block Diagram
2
Copyright © 2006-2011 ASIX Electronics Corporation. All rights reserved.



ASIX MCS7840
MCS7840
USB 2.0 to Quad Serial Controller
Pin-Out Diagram
GNDK 1
USB_XSCI 2
USB_XSCO 3
VccA 4
GNDA 5
USB_RREF 6
USB_DM 7
USB_DP 8
VccA 9
GNDA 10
VccK 11
TEST_MODE 12
TXD_4 13
DTR_4_N 14
RTS_4_N 15
RXD_4 16
MCS7840CV-AA
48 RXD_2
47 RTS_2_N
46 DTR_2_N
45 TXD_2
44 EE_SDA
43 EE_SCL
42 RESET
41 GPIO
40 VCC3IO
39 VccK
38 GND18A_PLL
37 Vcc18A_PLL
36 REG02_V18
35 GND5A
34 VCC5A
33 REG06_VCC33
3
Copyright © 2006-2011 ASIX Electronics Corporation. All rights reserved.





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