
Section 3 Command Descriptions
3.13
HANDSHAKE Hn
The
Handshake
control command enables software control of the handshake
lines, independent of any other I/O operations. When the
Digital232
receives an
Hn
command, the respective handshake line is pulsed for approximately 50 microseconds.
It returns to its steady-state condition after pulsing. The
Invert
command may be
used to change the active state of any of the handshake lines.
H0
The
Clear
line is pulsed
H1
The
Strobe
line is pulsed
H2
The
Trigger
line is pulsed
Example:
H1
The
Strobe
line is pulsed
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