Specifications

Integra M2106+
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This document is the sole and exclusive property of Wavecom. Not to be distributed or divulged without prior written
agreement.
WA_DEV_M2106+_PTS_003-001 April, 2007
3.8 Keyboard Interface
This interface provides 10 connections:
• 5 rows (R0 to R4) and
• 5 columns (C0 to C4).
Digital scanning and debouncing are performed within the M2106+ Wireless CPU
®
. No discrete components
such as R, C (Resistor, Capacitor) are required.
Pin description
Signal Pin # I/O Reset State I/O type Description
ROW0 39 I/O Pull down CMOS / 1X Row scan
ROW1 40 I/O Pull down CMOS / 1X Row scan
ROW2 37 I/O Pull down CMOS / 1X Row scan
ROW3 38 I/O Pull down CMOS / 1X Row scan
ROW4 35 I/O Pull down CMOS / 1X Row scan
COL0 36 I/O Pull up CMOS / 1X Column scan
COL1 33 I/O Pull up CMOS / 1X Column scan
COL2 34 I/O Pull up CMOS / 1X Column scan
COL3 31 I/O Pull up CMOS / 1X Column scan
COL4 32 I/O Pull up CMOS / 1X Column scan
WARNING:
This interface is not fully available with AT commands.
An AT command allows the input key code to be obtained (see AT+CMER command description).
This code must then be processed by the application. See the AT commands Interface Guide
documentation
[7] for details.