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VAT Registration No. GB163 04 0349
Siretta Ltd
Basingstoke Road
Spencers Wood
Reading
Berkshire RG7 1PW
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26
ZETA Series
GPRS/UMTS/LTE Terminal with GPIO
GPIO 10-Way Connector
Table 7.
10-way connector
This connector provides a general purpose multi-way interface for the user to access
additional functionality within the ZETA modem. This convenient interface allows
connections to be made to the modems peripheral connections such as the trace
/debug TTL RS232 serial port, GPIO interface and ADC. Recommended mating
connector: FCI 89947-710LF Recepticle Connector - IDC 2mm 2 x 5 - 10way.
Figure 18.
10-way connector
36-way connector
10
9
2
1
Figure 19.
Pin numbering
Pin
Name
Direction
Description
Low Level
Nominal
High Level
1
GND
Input
Signal Ground
-
0V
-
2
Output 1
Output
General Purpose Output 1
0 - 0.5V
3.3V
3.3V
3
Debug RX
Input
Debug Serial Receive (TTL)
-
3.3V
-
4
*
GPIO2
Input
General Purpose Input/Output 2
0 - 0.5V
12V
42V
4
*
GPIO2
Output
General Purpose Input/Output 2
0 - 0.5V
3.3V
3.3V
5
Debug TX
Output
Debug Serial Transmit (TTL)
-
3.3V
-
6
*
GPIO1
Input
General Purpose Input/Output 1
0 - 0.5V
12V
42V
6
*
GPIO1
Output
General Purpose Input/Output 1
0 - 0.5V
3.3V
3.3V
7
3.3V
Output
Low Voltage Power Supply
-
3.3V
-
8
Input 2
Input
General Purpose Input 2
0 - 0.5V
12V
42V
9
ADC 1
Input
Analogue to Digital Converter 1
0 - 0.5V
12V
42V
10
Input 1
Input
General Purpose Input 1
0 - 0.5V
12V
42V
*
General purpose Input / Output on pin 4 and pin 6 of the function header can be set in
software using standard AT commands to operate as either an input or an output. Please see
‘Digital Functions’ section on
page 28
which describes how to configure the port to be an input
or an output.
Figure 20.
FCI 89947-710LF
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