Concurrent Technologies RCIM, User Manual

Page: 48 / 102

RCIM User’s Guide
3-16
Output Source Configuration
1
Each external output line can be configured to be driven by a specified source using the
following configuration option:
<source> | out
N
The value specified for the source can be one of the following:
rtc N drive the output with real-time clock timers
pig N drive the output with programmable interrupt generators
input N drive the output with edge triggered interrupts
eti N alias for input (ETIs)
di N distributed interrupts
gps drive the output with the GPS signal
irig drive the output with the IRIG signal
10mhz drive the output with the 10MHz clock
mclock drive the output with the master time signal
none let the interrupt output line float
Examples include:
Defaults for this configuration option are a PIG as source for the corresponding output
line; i.e.:
pig0|out0
pig1|out1
etc.
NOTE
On the RCIM IV you cannot specify a pin as an input source to
driv e the same pin's output. For example, trying to set
"
input0|out0
" is invalid and will result in an “Invalid Argu-
ment” error.
See the “Configuration” section in Chapter 2 or the
rcim(4)
man page for the various
methods available for specifying configuration options.
Note that on the RCIM IV each EXT_INOUT pin needs to first be configured as an output
line before it can be driven with a source. See “RCIM IV Pin Configuration” on page 3-20
for more information.
Programmable Interrupt Generators (PIGs)
1
Each RCIM provides programmable interrupt generators (PIGs). PIGs are generally used
to provide software control for the output of an external output signal. Additionally, the
rtc3|out0 sets output line 0 to be driven by real-time clock 3
di5|out2 sets output line 2 to be driven by distributed interrupt 5