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3.5.2 Pulse Configuration Registers

Pulse Repetition Interval Register (08) This read/write register controls the pulse repetition

interval and the state of the output relay. See Figure 6 for details.

08 PRI Register

Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Write

OEN

Range Not Used PRI Multiplier

Read

OEN

Range Not Used PRI Multiplier

OEN  Output Relay Enable (1 = enabled/output on)

Range  PRI & Delay Range bit 14 13 12

0 0 0 25 ns

0 0 1 100 ns

0 1 0 1 s

0 1 1 10

s

1 0 0 100

s

1 0 1 1 ms

1 1 X invalid

PRI Multiplier  PRI Multiplier (period = PRI Multiplier  Range)

NOTES:

1) The Range field is used for both the PRI and Delay time settings.

2) The minimum programmable period is 100 nsec. Therefore the minimum PRI

Multiplier is 4 in the 25 nsec range, and 2 for all other ranges.

3) The maximum PRI Multiplier is 1023; therefore, the maximum programmable period

is 1.023 sec.

4) For highest accuracy use the smallest range with a larger multiplier.

Figure 6. PRI Register

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 35 36

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CH Tech Pulse Generator Manual de usuario Pagina 17