MICROSPACE PC/104
COM3/4-LPT2
MSMR104, MSMX104
Features
COM3 and COM4: RS232C and/or RS485
LPT2
Selectable Interrupts
Single +5V supply
Operating Temperature: -25 to 75ºC
Description
The MICROSPACE module MSMR104 is based on SMCs Fast Serial Port Super I/O controller FDC 37C664. The board integrates
two serial interfaces and one bi-directional parallel interface.
The serial controller is configured as COM3 and COM4 with selectable interrupts. The interrupts are: IRQ 3, 4, 10, 11.
COM3 and COM4 are individually selectable by jumpers as RS232C or RS485. The LPT2 parallel interface can be used in a bi-
directional way. For most operating systems, a wide range of drivers is available.
Ordering Information
Item codes
MSMR104
MSMX104
Part #
801040
806011
Description
2-COM Interface RS232/RS485 (COM3+COM4)
4-COM Interface (RS232/RS422/RS485 selectable)
MSMR104, MSMX104
Technical Specifications
Features
Functions
Remarks
Controller
Clock Frequency
FIFO
Baud Rates
Interrupt
Interface COM3
SMC37C664
24MHz
16 Bytes
300 Baud - 115kBaud
3, 4, 10, 11
RS232C / V24 (default)
RS485 (jumper selectable)
RS232C / V24 (default)
RS485 (jumper selectable)
Bi-directional
5 or 10
5V, 150mA
PC/104
3.6 x 3.8 x 0.8 (90 x 96 x 20 mm)
-25 to +75ºC
-65 to +125ºC
Serial Controller
16C550 compatible
Interface COM4
Parallel Controller
LPT2
Interrupts
10 pins
10 pins
10 pins
10 pins
General
Power Supply
Bus
Size
Operating Temp
Storage Temp
104 stack through pins
Manufacturer
DIGITAL-LOGIC AG
Nordstrasse 4/F
CH-4708 Luterbach
Switzerland
USA Distributor & Support Center
Advanced Digital Logic, Inc.
4411 Morena Blvd., Suite 230
San Diego, CA 92117-4328
P: 858.490.0597 F: 858.490.0599
Email: sales@adlogic-pc104.com
http://www.adlogic-pc104.com
Representative
msmr_x104 rev11/01