Tait TM8100 mobiles - Interface Specification

TM8100/TM8200 Service Manual TMAA01-05 and TMAA01-07 Options Extender Boards 501
© Tait Electronics Limited November 2007
19.3 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 TM8100/TM8200 3DK Hardware Developer’s Kit Applica-
tion Manual (product code MMA-00011-xx) 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 19.3 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
3AGND
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*
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