National Instruments PCI-6281, User Manual

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B-41
M Series User Manual
Clock Generation Timing Diagrams
Table B-36 shows delays for generating different clocks, described in the
Clock Routing
section
of Chapter 9,
Digital Routing and Clock Generation
, from the onboard 80 MHz oscillator.
Figure B-52. Generating Different Clocks from the Onboard 80 MHz Oscillator
Table B-36. Generating Different Clocks from the Onboard 80 MHz Oscillator
Time From To Min (ns) Max (ns)
t
1
Onboard 80 MHz
Oscillator 80 MHz Timebase 4.0 9.0
t
2
80 MHz Timebase 20 MHz Timebase 0.5 2.5
t
3
80 MHz Timebase 100 kHz Timebase 1.0 5.0
On b o a rd 8 0 MHz O s cill a tor
8 0 MHz Time bas e
20 MHz Time bas e
100 kHz Time bas e
t
3
t
2
t
1