Specifications

WM_PRJ_Q2501_PTS_001 – 003
March 2004
© 2003 All rights reserved
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without prior written
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Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son
autorisation préalable.
2.9.2 Digital I/O
2.9.2.1 General characteristics
Two types of digital I/O are available inside the WISMO Q2501 module:
CMOS 1.8 V,
CMOS 2.8 V (comply with 3 Volts CMOS).
Operating conditions
Parameter I/O type Min Max Condition
V
IL
CMOS 0.3 x VCC*
V
IH
CMOS 0.7 x VCC*
V
OL
1X 0.1 V I
OL
= -1 mA
2X 0.1 V I
OL
= -2 mA
3X 0.1 V I
OL
= -3 mA
V
OH
1X 1.7 V or 2.7 V** I
OH
= 1 mA
2X 1.7 V or 2.7 V** I
OH
= 2 mA
3X 1.7 V or 2.7 V** I
OH
= 3 mA
* with VCC= 1.8 V or 2.8 V according to the type of CMOS voltage
**1.7 V for CMOS 1.8 V or 2.7 V for CMOS 2.8 V
2.9.2.2 General purpose input output
Signal Pin I/O Type Comment
Input Output
GPIO0 44 I/O CMOS 2V8 CMOS 2V8/3X
GPIO1 22 I/O CMOS 2V8 CMOS 2V8/2X
GPIO2 24 I/O CMOS 2V8 CMOS 2V8/2X
GPIO3 53 I/O CMOS 2V8 CMOS 2V8/2X
GPIO4 73 I/O CMOS 2V8 CMOS 2V8/2X
GPIO5 55 I/O CMOS 2V8 CMOS 2V8/3X
GPO0 46 O - CMOS 2V8/3X/tri-state
GPO1 42 O - CMOS 2V8/3X/tri-state
GPO2 40 O - CMOS 2V8/3X/tri-state
GPO3 48 O - CMOS 2V8/3X/tri-state
GPI 38 I CMOS 2V8 -