Data transfer is carried out by observing the ACKNLG or BUSY signals. Data transfer to the printer occurs only after receipt of the ACKNLG signal or when the BUSY signal is LOW.
TIMING
DATA IIN
STROBE-
BUSYI
ACKNLG | I- | t |
I |
Data must be present a minimum of 0.5 u sec before and after a minimun 0.5
µsec STROBE Pulse. BUSY goes high before the end of the STROBE signal and remains high until the end of an ACKNLG pulse of’ minimun 4 µ sec.
EBCDIC CHARACTER TABLES
PC850 character table
See Appendix
Note: PC850 is the recommended character table for matrix emulations.
HP Roman 8 character table
See Appendix
Note:
This character table is available only when HP emulation is selected (3812 emulation).
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