Interface Specification - Tait TM8100 mobiles Service Manual

19.3

Interface Specification

Table 19.3 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 Service Manual
© Tait Electronics Limited November 2007
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.
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 and TMAA01-07 Options Extender Boards 501