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Chapter 3 Hardware Overview
PCI-6110E/6111E User Manual 3-10
©
National Instruments Corporation
Digital I/O
The 611
X
E board contains eight lines of digital I/O for general-purpose
use. You can individually software-configure each line for either input
or output. At system startup and reset, the digital I/O ports are all high
impedance.
The hardware up/down control for general-purpose counters 0 and 1 are
connected onboard to DIO6 and DIO7, respectively. Thus, you can use
DIO6 and DIO7 to control the general-purpose counters. The up/down
control signals are input only and do not affect the operation of the DIO
lines.
PCI_E.book Page 10 Thursday, June 25, 1998 12:55 PM