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Integra M2106+
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WA_DE_PTS_003-001
April, 2007
3.1.2
Signal Description
The following table presents the main characteristics of the 50-pin connector.
Pin
#
Name
I/O
Reset
State
I/O type
Description
Comment
1 GND --
Ground
High
current
2 GND --
Ground
High
current
3
+ 5 V
I
--
Supply
High current
4
+ 5 V
I
--
Supply
High current
5 CT109/DCD O High
Z
2X
Serial Link
Data Carrier Detect
6 GND --
Ground
High
current
7
GPIO4
I/O
High Z
CMOS/2X
General Purpose I/O
8 SPK2N O
High
Z Analog
Speaker2 negative
output
9 CT125/RI O High
Z
2X
Serial Link
Ring Indicator
10 SPK2P O High
Z Analog
Speaker 2
positive output
11
Flashing LED
I/O
High Z
CMOS/2X
Operating mode
indication LED
Driven by Wireless
CPU
®
12 SPK1P O High
Z Analog
Speaker 1
positive output
13 CT106/CTS O High
Z
1X
Serial Link
Clear To Send
14 SPK1N O High
Z Analog
Speaker 1
negative output
15
ON/~OFF
I
Pull down
--
Power control signal
ON = VCC
16 MIC2P I High
Z Analog
Microphone 2
positive input
17
AUXV0
I
HZ
Analog
Auxiliary ADC input
Can be tied to GND if
not used
18 MIC2N I High
Z Analog
Microphone 2
negative input
19
~RST
I/O
--
SCHMITT
Reset active low
To be driven by an
Open Collector.
Internal pull-up
4.7 k
Ω
.
20 MIC1P I High
Z Analog
Microphone 1
positive input
21 GND --
Ground
High Current
22 MIC1N I High
Z Analog
Microphone 1
negative input