Interface Specification - Tait TM8200 Accessories Manual

4.3

Interface Specification

Table 4.3 Internal options connector—pins and signals
Pin
1
2
1*
1&
1^
1%
1$ 3
1#
1@
1!
4
1)
J
I
H
G
F
5
E
D
C
B
6
top view
7
8
9-15 IOP_GPIO1 to
16
17
18
TM8100/TM8200 Accessories Manual
© Tait Electronics Limited August 2005
The following tables summarize the signals used for the options-extender
board on the internal options connector (SK1 on the options-extender board)
and the external options connector (SK2 on the options-extender board).
Note
The TM8000 3DK Hardware Developer's Kit Application
Manual (product code MMAA30-01-00-807) contains a detailed
electrical specification for the signals available on the radio's inter-
nal options connector. This manual is part of the 3DK Resource
CD, which can be purchased using product code TMAA30-01.
Connector
Description
Signal
switched 13V8 supply from the radio
13V8_SW
AUD_TAP_OUT Programmable tap point out of the receive or transmit audio chain.
DC-coupled
analogue ground
AGND
AUX_MIC_AUD Auxiliary microphone input, with electret microphone biasing
provided.
Dynamic microphones are not supported.
receive sidetone input, AC-coupled
RX_BEEP_IN
Programmable tap point into the receive or transmit audio chain.
AUD_TAP_IN
DC-coupled
not connected
RX_AUD
analogue RSSI output
RSSI
programmable function and direction
IOP_GPIO7
DGND digital ground
IOP_RXD an RS-232 compliant asynchronous serial port - receive data
IOP_TXD an RS-232 compliant asynchronous serial port - transmit data
TMAA01-05 Options-Extender Board 47