HP E1459A - Manual (Page 48)

HP E1459A SCPI Command Reference 47
INPut n:CLOCk[:SOURce]?
Returns the programmed value of the input clock source for Port n.
Parameters
Comments •
The value returned is an unquoted string of EXT or INT .
Example INPut2:CLOCk[:SOURce]? queries the input clock source for Port 2.
INPut n:DEBounce:TIME <time> | MINimum | MAXimum | DEFault
Programs the input debounce time for Port n. Ports 0 and 1 share the same debounce
circuitry; Ports 2 and 3 share the same debounce circuitry.
Parameters
Comments •
The available debounce times are:
18.0
µ
S, 36
µ
S, 72
µ
S, 144
µ
S, 288
µ
S, 576
µ
S, 1.13 mS, 2.26 mS, 4.6 mS, 9.2
mS, 18.4 mS, 36.9 mS, 73.8 mS, 148.0 mS, 294.0 mS, 590.0 mS, 1.18 S, 2.36
S, 4.72 S, 9.43 S, 18.9 S, 37.8 S, 75.0 S, 150.0 S, 300 S, 600 S, 1200 S, 2400 S,
4800 S, 9600 S. Any value sent other than those listed is rounded to the nearest
discrete value.
•
Debounce time is rounded to the nearest discrete value. For example 16.0
µ
S to
18.4
µ
S is rounded to 18
µ
S, 18.5
µ
S to 36.4
µ
S is rounded to 36
µ
S, 36.5
µ
S
to 72.4
µ
S is rounded to 72
µ
S, etc.
•
Ports 0 and 1 use the same debounce time, Ports 2 and 3 use the same debounce
time. For n = 0 or n = 1, both Ports 0 and 1 are set; for n = 2 or n = 3, both Ports
2 and 3 are set.
•
*RST Condition: sets the value for the debounce time to 18.0
µ
Sec for all four
Ports.
Parameter Name Parameter Type Range of Values Default
INPut n numeric 0, 1, 2, 3 0
Parameter Name Parameter Type Range of Values Default
INPut n
<time>
DEFault
MINimum
MAXimum
numeric
numeric (floating pt)
0, 1, 2, 3
18.0
µ
Sec through 9600 Sec
Default 18.0 µ Sec
Minimum 18.0
µ
Sec
Maximum 9600 Sec
0
18.0 µ Sec
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