TM8000 3DK Hardware Developer’s Kit
Application Manual
Description of the Radio Interfaces
37
September 2003
© Tait Electronics Ltd
2.9
Programming Connector
The programming connector of the TM8105 blank control head is a 9-way
standard-density D-range plug.
The programming connector can also be used to connect application
products.
When the TM8105 blank control head is connected to the radio body, the
programming connector uses the signals shown in
:
For characteristics refer to the corresponding signals of the control-head
connector.
Table 2.26
Programming connector - pins and signals
Pinout
Pin
Signal name
Description
Signal type
1
PRG_RX_AUD
Receive audio output.
Analogue
2
PRG_TXD
Asynchronous serial port -
Transmit data.
3.3V CMOS
3
PRG_MIC_AUD
Fist microphone audio input.
Analogue
4
PRG_RXD
Asynchronous serial port -
Receive data.
3.3V CMOS
5
PRG_ON_OFF
Hardware power on/software-power
off input. Active low.
Digital
6
+13V8
a
Power supply output. Switched off
when radio body is switched off.
Power
7
PRG_PTT
PTT input from microphone.
Also carries hookswitch signal.
Digital
8
AGND
Analogue ground
Ground
9
DGND
Digital ground
Ground
a. Can be switched or unswitched. For more information refer to
“Connector Power Supply Options” on page 131
.
front view