Cinterion
®
Connect Shield User Guide
2.2 Application / Arduino UNO Interface
18
connect_shield_ug_v01 2017-01-13
Confidential / Released
Page 11 of 19
2.2.4.3 I
2
C Port Extender
On board is 4-bit port extender PCA9536TK accessible via I
2
C address 1000 001 (0x41). Three
IO are connected to LED’s as output, while one IO is free for any usage on a test point.
2.2.4.4 I
2
C Quick Access via Module I
2
C
Please complete the following steps for a quick access via the module’s I
2
C lines:
• Download the installation package from developer.gemalto.com.
• Connect the USB cable from the PC to the Connect Shield’s USB socket
• Start your Connect Shield with the ON button (short press).
• Install the modem USB drivers from the ZIP file. The drivers will have to be installed man-
ually.
• Open the Windows Device Manager to check for the modem’s COM Port number:
Modems > Cinterion <Modem name> Java Debug Modem USB > Properties > Modem >
Port
• Open your favorite Terminal program, and connect to Connect Shield using these settings:
< COM port number>, 115200 bps, 8N1, CTS/RTS control, DTR on
• Using the Terminal program you can now start entering commands for the Connect Shield
(plus CR+LF) as shown further below.
Table 2: I
2
C port extender
Hex TP(IO3) LED Yellow(IO2) LED Orange(IO1) LED Green(IO0)
0x00 low on on on
0x01 low on on off
0x02 low on off on
0x03 low on off off
0x04 low off on on
0x05 low off on off
0x06 low off off on
0x07 low off off off
0x08 high on on on
0x09 high on on off
0x0A high on off on
0x0B high on off off
0x0C high off on on
0x0D high off on off
0x0E high off off on
0x0F high off off off
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