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TM8100/TM8200 Accessories Manual
TMAA01-05 Options-Extender Board
47
© Tait Electronics Limited
August 2005
4.3
Interface Specification
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.
Table 4.3
Internal options connector—pins and signals
Pin
Connector
Signal
Description
1
13V8_SW
switched 13V8 supply from the radio
2
AUD_TAP_OUT
Programmable tap point out of the receive or transmit audio chain.
DC-coupled
3
AGND
analogue ground
4
AUX_MIC_AUD Auxiliary microphone input, with electret microphone biasing
provided.
Dynamic microphones are not supported.
5
RX_BEEP_IN
receive sidetone input, AC-coupled
6
AUD_TAP_IN
Programmable tap point into the receive or transmit audio chain.
DC-coupled
7
RX_AUD
not connected
8
RSSI
analogue RSSI output
9-15 IOP_GPIO1 to
IOP_GPIO7
programmable function and direction
16
DGND
digital ground
17
IOP_RXD
an RS-232 compliant asynchronous serial port - receive data
18
IOP_TXD
an RS-232 compliant asynchronous serial port - transmit data
B
D
F
H
J
1!
1#
1%
1&
C
E
G
I
1)
1@
1$
1^
1*
top view
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Страница 34: ...34 TMAA01 01 Line Interface Board TM8100 TM8200 Accessories Manual Tait Electronics Limited August 2005 ...
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Страница 70: ...70 TMAA02 08 Keypad Microphone TM8100 TM8200 Accessories Manual Tait Electronics Limited August 2005 ...
Страница 114: ...114 TMAA04 05 Ignition Sense Kit TM8100 TM8200 Accessories Manual Tait Electronics Limited August 2005 ...
Страница 118: ...118 TMAA10 01 Desktop Microphone TM8100 TM8200 Accessories Manual Tait Electronics Limited August 2005 ...