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LPT Port Pinning |
|
Date: Sun, 30 Jul 1995
From: Brian Short K7ON <k7on@arrl.net>
To: cq-contest@tgv.com
| LPT1 Pin Assignments |
| Pin |
Function |
Notes |
| 2 |
BAND DATA "A" |
| 7 |
BAND DATA "B" |
| 8 |
BAND DATA "C" |
| 9 |
BAND DATA "D" |
| 1 |
CW STROBE |
EMITTER of NPN |
| 17 |
CW SLCT |
thru 1k resistor to BASE |
| 18 |
GND |
to radio (COLLECTOR to radio) |
| 3 |
DVK SWITCH #1 |
| 4 |
DVK SWITCH #2 |
| 5 |
DVK SWITCH #3 |
| 6 |
DVK SWITCH #4 |
| 25 |
GND |
| 12 |
DOT PADDLE |
Note 1 |
| 13 |
DASH PADDLE |
Note 1 |
| 14 |
PULLUP THRU 10K TO PINS 12,13 |
Note 1 |
| 1 |
PTT STROBE |
EMITTER of NPN |
| 16 |
PTT SLCT |
thru 1k resistor to BASE |
| 18 |
GND |
to radio (COLLECTOR to radio) |
| LPT2 Pin Assignments |
| Pin |
Function |
Notes |
| 2 |
RADIO 1/2 SELECT |
| 1 |
CW STROBE |
Note 2 |
| 17 |
CW SLCT |
Note 2 |
| 18 |
GND |
Note 2 |
| 3 |
DVK SWITCH #1 |
| 4 |
DVK SWITCH #2 |
| 5 |
DVK SWITCH #3 |
| 6 |
DVK SWITCH #4 |
| 25 |
GND |
| 12 |
DOT PADDLE |
Note 1 |
| 13 |
DASH PADDLE |
Note 1 |
| 14 |
PULLUP THRU 10K TO PINS 12,13 |
Note 1 |
| 1 |
PTT STROBE |
Note 3 |
| 16 |
PTT SLCT |
Note 3 |
| 18 |
GND |
Note 3 |
| LPT3 Pin Assignments |
| Pin |
Function |
Notes |
| 1 |
CW STROBE |
Note 2 |
| 17 |
CW SLCT |
Note 2 |
| 18 |
GND |
Note 2 |
| 3 |
DVK SWITCH #1 |
| 4 |
DVK SWITCH #2 |
| 5 |
DVK SWITCH #3 |
| 6 |
DVK SWITCH #4 |
| 25 |
GND |
| 12 |
DOT PADDLE |
Note 1 |
| 13 |
DASH PADDLE |
Note 1 |
| 14 |
PULLUP THRU 10K TO PINS 12,13 |
Note 1 |
| 1 |
PTT STROBE |
Note 3 |
| 16 |
PTT SLCT |
Note 3 |
| 18 |
GND |
Note 3 |
Notes:
- Pins 12/13/14 are used by N6TR etc for CW paddle support.
- See the LPT1 CW Port description above for details.
- Pin 16 is used by N6TR for rig PTT control. See LPT1.
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. |