User manual

Hardware Description
ComTec GmbH 3-2
3.2. PCI Card
3.2.1. General
The MPA-3 PCI Card is the interface between the MPA-3 BASE module and the PCI Bus of the
computer. It is a short 5V PCI bus master card compliant to the PCI specification 2.1. The bus
master capability offers a theoretical PCI burst transfer rate of 132 Mbyte/s. Also there is a
1024x32 bit FIFO
3
on board which buffers the measurement data and thus minimizes the system
deadtime considerably.
3
FIFO: First In, First Out
32
1
Digital I/O Port
onboard Header
Analog Output
Range Selector
Analog Output
Range Potentiometer
FHS- Link Connector
GO- Line Connector
Write Protect Selector
Fuse
3V-7V
5V
WP.
R I/O
R Pull
Figure 3.2: MPA-3 PCI Card