ADLINK cPCI-3538 - Manual (Page 13)

Introduction
• 7
1.2 cPCI-3544 Overview
1.2.1 What is the cPCI-3544?
The cPCI-3544 is an enhanced four ports serial communication module for
industry communication interface RS-422/485 by Compact-PCI platform. It
includes a PGA (Programmable Gate Array) to support the serial
communication controller and a 37-pin connector to connect external I/O
port from the front panel or using the rear I/O.
The expansion cable has four standard DB25 or DB9 connectors and one
DB37 connector to connect with cPCI-3544 interface card.
The cPCI-R3544 transition board can support rear I/O connection by using
one DB37 connector.
1.2.2 cPCI-3544 Features
•
32-bit CompactPCI 3U form factor
•
PCI Rev.2.1 Plug and Play
•
IRQ and I/O address automatically assigned by PCI Plug and Play
•
Four communication ports intelligent buffer
•
RS-422/485 hardware selectable
•
RS-485 with auto direction flow control
•
Channel to channel isolated industry communication port
•
High speed communications concurrently (max. 115200 bps)
•
Supports up to eight cards/32 ports per system
•
Supports DOS, Windows 95/98, and Windows NT operation system
1.2.3 cPCI-3544 Specifications
•
Compliant with PCI Spec.2.1
•
Serial communication controller:
• 16C550A
compatible
•
1.8432 - 7.3728 MHz
•
System I/O mapping:
ƒ
Assigned by PCI BIOS
ƒ Shared
IRQ
• Flow
control
ƒ RS-485
auto direction