Writing To The Parallel Port - HP 8711C User Manual

Automating Measurements
Controlling Peripherals
N O T E
When using the
set High. However, when the instrument is doing hardcopy, the Printer-Select Line is set low The
Printer-Select line may or may not be used by individual printers. Check with your printer manual.
port's output pins, use one of the following commands:
When the write command is executed, the parallel port's data lines (pins 2-9)
will be set to the specified value, and then a pulse of at least 1 ps duration
will occur on the strobe line (pin 1). A data setup and data hold time of at
least 1 ps are guaranteed. See Figure 7-9.
7-56
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