Specifications

WM_PRJ_Q2400_PTS_001 - 003
6th November 2002
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2.9 General Purpose Input/Output
The WISMO Quik Q2403 Series provides 6 General Purpose I/O, 3 General
Purpose Outputs and 1 General Purpose Input. They are used to control any
external device such as a LCD or a Keyboard backlight.
Pin description
Signal Pin number I/O I/O type Description
GPIO0 24 I/O CMOS / 2X General Purpose I/O
GPIO4 53 I/O CMOS / 2X General Purpose I/O
GPIO5 35 I/O CMOS / 2X General Purpose I/O
GPO1 22 O 3X General Purpose O
GPO2 20 O 1X General Purpose O
GPI 18 I CMOS General Purpose I
The following GPIOs are not available (reserved) in case of module running
with the AT commands firmware:
Signal Pin number I/O I/O type Description Comments
GPIO1 52 I/O CMOS / 2X General Purpose I/O FLASH
LED(*)
GPIO2 54 I/O CMOS / 2X General Purpose I/O RI
GPIO3 51 I/O CMOS / 2X General Purpose I/O DCD
GPO0 26 O 3X General Purpose O SIM 3V/5V
(*) The FLASH LED signal can be used to drive a LED through an open-collector
transistor according to the module activity status.
LED status WISMO Quik Q2403 Series status
OFF Module in download mode or module OFF
Permanent Module switched ON, not registered
on the network
Slow flash
LED ON for 200ms,
OFF for 2s
Module switched ON, registered on
the network
ON
Quick flash
LED ON for 200ms,
OFF for 600ms
Module switched ON, registered on
the network, communication in
progress