Integra M2106+
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agreement.
WA_DE_PTS_003-001
April, 2007
GPIO0
26
I/O
High Z
CMOS/ 2X
General Purpose I/O
GPIO4
7
I/O
High Z
CMOS/ 2X
General Purpose I/O
All digital I/Os comply with 3 volts CMOS.
Both GPIO0 and GPIO4 are low level at reset.
You can access (write or read) the GPIO value via AT+WIOW and AT+WIOR commands. See the AT
commands Interface Guide documentation [7] for more details.
3.11
Analog to Digital Converter (ADC)
An Analog to Digital Converter is provided by the Integra M2106+ Wireless CPU
®
. This converter is 10-bit
resolution, ranging from 0 to 2.8 V. You can see the measurements via the AT+ADC command. See the AT
commands Interface Guide documentation [7] for more details and sampling rate.
Pin description
Signal
Pin #
I/O
Reset state
I/O type
Description
AUXV0
17
I
HZ
Analog
Auxiliary ADC input
A/D converter electrical characteristics
Parameter
Min
Max
Unit
Resolution 10
bits
Input signal range
0
2.8
V
ADC reference accuracy
0.75
2
%
Integral accuracy
+/- 1
LSB
Differential accuracy
+/- 1
LSB
Input impedance (R)
10
M
Ω
Input impedance (C)
100
nF
3.12
Activity Status Indication (Flashing LED)
The activity status indication signal can be used to drive a Flashing LED through an open-collector transistor
according to Wireless CPU
®
activity status.
Pin description
Signal
Pin #
I/O
Reset state
I/O type
Description
Flashing LED
11
I/O
High Z
CMOS/2X
Activity status indication
Operating status
LED status
Integra M2106+ Wireless CPU
®
status
