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Appendix A
Specifications
A-8
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Base clocks available
Counter/timers .................................20 MHz, 100 kHz
Frequency scalers ............................10 MHz, 100 kHz
Base clock accuracy................................±0.01%
Max source frequency.............................20 MHz
Min source pulse duration ......................10 ns in edge-detect mode
Min gate pulse duration ..........................10 ns in edge-detect mode
Data transfers ..........................................DMA, interrupts,
programmed I/O
DMA modes ...........................................Scatter-gather
(Single transfer, demand transfer)
Triggers
Digital Trigger
Compatibility ..........................................TTL
Response .................................................Rising or falling edge
Pulse width .............................................10 ns min
RTSI
Trigger lines............................................7
Calibration
Recommended warm-up time.................15 minutes
Interval....................................................1 year
External Calibration reference................> 6 and < 10 V