Specifications

WM_PRJ_Q2501_PTS_001 – 003
March 2004
© 2003 All rights reserved
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2.6.2 General Purpose I/O
The WISMO Quik Q2501 provides:
•
up to 6 GSM General Purpose I/O,
•
up to 4 GSM General Purpose Output,
•
up to 1 GSM General Purpose Input
They can be used to control any external devices.
Pin description
Signal Pin # I/O I/O type Description
GPIO0 44 I/O CMOS/3X Multiplexed with GSM_CTS2
GPIO1 22 I/O CMOS/2X
GPIO2 24 I/O CMOS/2X
GPIO3 53 I/O CMOS/2X
GPIO4 73 I/O CMOS/2X
GPIO5 55 I/O CMOS/3X Multiplexed with GSM_RTS2
GPO0 46 O 3X Multiplexed with SPI_AUX
GPO1 42 O 3X Multiplexed with 1.8 V or 5 V SIM
card management signal
GPO2 40 O 3X Multiplexed with GSM_RXD2
GPO3 48 O 3X Multiplexed with SPI_EN
GPI 38 I CMOS Multiplexed with GSM_TXD2
When using internal mode as described in § 1.7.2, all the signals multiplexed
with GSM_UART2 are not available (GPIO0, GPIO2, GPIO5 and GPI).