Chapter 4
Signal Connections
©
National Instruments Corporation
4-45
PCI-MIO E Series User Manual
Figure 4-33. GPCTR1_GATE Signal Timing in Edge-Detection Mode
GPCTR1_OUT Signal
This signal is available only as an output on the GPCTR1_OUT pin.
The GPCTR1_OUT signal monitors the TC board general-purpose
counter 1. You have two software-selectable output options—pulse on
TC and toggle output polarity on TC. The output polarity is software
selectable for both options. This output is set to tri-state at startup.
Figure 4-34 shows the timing requirements for the GPCTR1_OUT
signal.
Figure 4-34. GPCTR1_OUT Signal Timing
Rising-edge
polarity
Falling-edge
polarity
tw
tw = 10 ns minimum
GPCTR1_SOURCE
GPCTR1_OUT
(Pulse on TC)
GPCTR1_OUT
(Toggle output on TC)
TC
