National Instruments NI USB-621x manual Counters

9

Counters

M Series devices have two general-purpose 32-bit counter/timers and one frequency generator, as shown in Figure 9-1.The general-purpose counter/timers can be used for many measurement and pulse generation applications.

Input Selection Muxes		Counter 0
	Counter 0	Source (Counter 0 Timebase)
	Counter 0	Gate
		Counter 0 Internal Output
	Counter 0	Aux
	Counter 0 HW Arm
	Counter 0	A
		Counter 0 TC
	Counter 0 B (Counter 0 Up_Down)
	Counter 0 Z
Input Selection Muxes		Counter 1

Counter 1 Source (Counter 1 Timebase)

Counter 1 Gate

Counter 0 Internal Output

Counter 1 Aux

Counter 1 HW Arm

Counter 1 A

Counter 0 TC

Counter 1 B (Counter 1 Up_Down)

Counter 1 Z

Input Selection Muxes	Frequency Generator
	Frequency Output Timebase	Freq Out

Figure 9-1.M Series Counters

© National Instruments Corporation 9-1 NI USB-621x User Manual