Accessory (Acc) Port Tab - microHAM MK2R Manual

The Accessory connector supports 29 I/O functions which can be assigned to six "ports."
The left half of the Accessory tab is for RADIO1 (pins 4-9) - the right half for RADIO2 (pins 2,3 and 10-13). Pins
2, 3, 4, 5 are fully configurable and provide radio specific and global functions. Pins 6-9 and 10-13 are
programmed as a group.
Available Functions – Pins 4, 5
•
RADIO 1 ENABLE
•
RADIO 1 INHIBIT IN
•
RADIO 1 PTT1 OUT
•
RADIO 1 PTT2 OUT
•
RADIO 1 PA PTT
•
RADIO 1 LNA PTT
•
RADIO 1 TX FOCUS
•
RADIO 1 RX FOCUS
•
STEREO FOCUS (SPLIT) OUT
•
CW INPUT (Straight key)
•
SERIAL PORT 1 (both pins)
Available Functions – Pins 6-9
•
RADIO 1 BAND DATA OUTPUT
•
RADIO 1 BAND DATA INPUT
•
LPT pins 2, 7, 8, 9 COPY OUT
•
BAND DATA OUT – Active Radio
•
PROTOCOL CONTROLLED
NOTE: all signals are TTL: be sure to use proper buffering and/or level conversion.
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ACCESSORY (ACC) TAB
RADIO 1 RADIO 2
Available Functions – Pins 2, 3
•
RADIO 2 ENABLE
•
RADIO 2 INHIBIT IN
•
RADIO 2 PTT1 OUT
•
RADIO 2 PTT2 OUT
•
RADIO 2 PA PTT
•
RADIO 2 LNA PTT
•
RADIO 2 TX FOCUS
•
RADIO 2 RX FOCUS
•
STEREO FOCUS (SPLIT) OUT
•
CW INPUT (Straight key)
•
SERIAL PORT 2 (both pins)
Available Functions – Pins 10-13
•
RADIO 2 BAND DATA OUTPUT
•
RADIO 2 BAND DATA INPUT
•
LPT pins 2, 7, 8, 9 COPY OUT
•
BAND DATA OUT – Active Radio
•
PROTOCOL CONTROLLED
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