Added PTT control per N6TR program. Any other ideas?
73 de Brian
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LPT1 Pin Assignments
Pin 2......BAND DATA "A"
Pin 7......BAND DATA "B"
Pin 8......BAND DATA "C"
Pin 9......BAND DATA "D"
Pin 1......CW STROBE -EMITTER of NPN
Pin 17.....CW SLCT -thru 1k resistor to BASE
Pin 18.....GND -to radio
-COLLECTOR to radio
Pin 3......DVK SWITCH #1
Pin 4......DVK SWITCH #2
Pin 5......DVK SWITCH #3
Pin 6......DVK SWITCH #4
Pin 11/25..GND
Pin 12.....DOT PADDLE^
Pin 13.....DASH PADDLE
Pin 14.....PULLUP THRU 10K TO 12/13
Pin 1......PTT STROBE@ -EMITTER of NPN
Pin 16.....PTT SLCT -thru 1k resistor to BASE
Pin 18.....GND -to radio
-COLLECTOR to radio
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LPT2 Pin Assignments
Pin 2......RADIO 1/2 SELECT
Pin 1......CW STROBE*
Pin 17.....CW SLCT
Pin 18.....GND
Pin 3......DVK SWITCH #1
Pin 4......DVK SWITCH #2
Pin 5......DVK SWITCH #3
Pin 6......DVK SWITCH #4
Pin 11/25..GND
Pin 12.....DOT PADDLE^
Pin 13.....DASH PADDLE
Pin 14.....PULLUP THRU 10K TO 12/13
Pin 1......PTT STROBE@
Pin 16.....PTT SLCT
Pin 18.....GND
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LPT3 Pin Assignments
Pin 1......CW STROBE*
Pin 17.....CW SLCT
Pin 18.....GND
Pin 3......DVK SWITCH #1
Pin 4......DVK SWITCH #2
Pin 5......DVK SWITCH #3
Pin 6......DVK SWITCH #4
Pin 11/25..GND
Pin 12.....DOT PADDLE^
Pin 13.....DASH PADDLE
Pin 14.....PULLUP THRU 10K TO 12/13
Pin 1......PTT STROBE@
Pin 16.....PTT SLCT
Pin 18.....GND
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Use the -AC option to get BAND DATA on LPT1 (only) for
use with Top Ten Decoder etc.
Radio 1/2 Select is always on LPT2.
CW Port and DVK Control are subject to software setup to
enable the outputs.
* See the LPT1 CW Port description above for details.
^ Pins 12/13/14 are used by N6TR etc for CW paddle support.
@ Pin 16 is used by N6TR for rig PTT control. See LPT1.
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