E4990A Help
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10 /PORT A5 Bit 5 of port A.
11 /PORT A6 Bit 6 of port A.
12 /PORT A7 Bit 7 of port A.
13 /PORT B0 Bit 0 of port B (8 bit parallel output port).
14 /PORT B1 Bit 1 of port B.
15 /PORT B2 Bit 2 of port B.
16 /PORT B3 Bit 3 of port B.
17 /PORT B4 Bit 4 of port B.
18 /PORT B5 Bit 5 of port B.
19
/PORT B6 Bit 6 of port B.
/INDEX
Indicates that analog measurement is
complete. The /INDEX signal changes to the
Low level when analog measurement (all
sweeps of all channels) is complete. When the
handler receives the signal, it assumes that it is
ready to connect the next DUT. However, no
measurement data is available until data
calculation is completed.
When the point trigger function is ON, it goes
to the High level before starting measurement
of the first measurement point and returns to
the Low level after completing measurement of
all measurement points.
20
/PORT B7 Bit 7 of port B.
/READY
FOR
TRIGGER
Indicates that the instrument is ready for
triggering. This signal is changed to the Low
level when the instrument is ready to receive a
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