January 2001/ version 1.4
WMOi3 Integrated Modem
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4.1.8 General Purpose Input/Output
The WMOi3 provides 2 General Purpose I/O. They are used to control any external
device.
Table 15 : General Purpose pin description
Signal Pin number I/O I/O type* Description Default value
GPIO0 26 I/O CMOS / 2X General Purpose
I/O
0
GPIO4 7 I/O CMOS / 2X General Purpose
I/O
0
*See Table 3 “operating conditions” in subdivision 4.1.1The 50-pin
connector description
All digital I/O comply with 3Volts CMOS.
You can access (write or read) the GPIO value via AT+WIOW and AT+WIOR.
See AT commands user’s guide for more details.
4.1.9 Analog to Digital Converter
Analog to Digital converter (ADC) input is provided by the WMOi3. This converter
is a 10 bits one, ranging from 0 to 2.5V. You can see the measurements via
AT+ADC. See AT commands user’s guide for more details.
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