User's Manual

WM_PRJ_Q2400_PTS_002 - 004
March 5, 2004
2.10 General Purpose Input/Output
The WISMO Quik Q24x6 sub-series provides:
• 6 General Purpose I/O,
• 4 General Purpose Outputs,
• 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 Multiplexed with
GPIO0 24 I/O CMOS / 2X General Purpose I/O CT106/CTS2
GPIO4 53 I/O CMOS / 2X General Purpose I/O
GPIO5 35 I/O CMOS / 2X General Purpose I/O CT105/RTS2
GPO0 26 O 3X General Purpose O SPI_AUX
GPO1 22 O 3X General Purpose O
GPO2 20 O 1X General Purpose O CT104/RXD2
GPI 18 I CMOS General Purpose I CT103/TXD2
GPO3 28 O CMOS General Purpose O SPI_EN
A
A
A
T
T
T
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 Multiplexed with
GPIO1 52 I/O CMOS / 2X General Purpose I/O FLASH LED(*)
GPIO2 54 I/O CMOS / 2X General Purpose I/O CT125/RI1
GPIO3 51 I/O CMOS / 2X General Purpose I/O CT109/DCD1
(*) The FLASH LED signal can be used to drive a LED through an open-collector transistor
according to the module activity status.
2.11 Activity status indication
The activity status indication signal can be used to drive a LED through an open-collector transistor
according to the module activity status.
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