
12
Digital Routing and Clock
Generation
The digital routing circuitry has the following main functions.
•Manages the flow of data between the bus interface and the acquisition/generation
•Routes timing and control signals. The acquisition/generation
–Your M Series device
–User input through the PFI terminals
•Routes and generates the main clock signals for the M Series device.
80 MHz Timebase
The 80 MHz Timebase can be used as the Source input to the
The 80 MHz Timebase is generated from the onboard oscillator.
20 MHz Timebase
The 20 MHz Timebase normally generates many of the AI and AO timing signals. The 20 MHz Timebase also can be used as the Source input to the
The 20 MHz Timebase is generated by dividing down the 80 MHz
Timebase.
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