-26- MBM-530NS User’s Manual
NOTE:
X presents not used.
Bit 5: Direction control bit. When logic 1, the output buffers in the parallel
port are disabled allowing data driven from external sources to be
read. When logic 0, they work as a printer port. This bit is write only.
Bit 4: A1 in this position allows an interrupt to occur when ACK changes
from low state to high state.
Bit 3: A1 in this bit position selects the printer.
Bit 2: A0 starts the printer (50 microseconds pulse, minimum).
Bit 1: A1 causes the printer to line-feed after a line is printed.
Bit 0: A0.5 microsecond minimum highly active pulse clocks data into the
printer. Valid data must be present for a minimum of 0.5 microseconds
before and after the strobe pulse.
Summary of Contents for MBM-530NS
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