WM_PRJ_M13_UGD_001 - 001
20th July 2004
© 2004
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Wavecom Confidential & Proprietary Information
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8.2.3 General Purpose Input/output
Both digital GPIO4 and GPIO5 comply with 3 Volts CMOS.
Table 11: Operating conditions
Parameter I/O type Min Max Condition
V
IL
CMOS -0.5 V 0.8 V
V
IH
CMOS 2.1 V 3.0 V
V
OL
2X 0.2 V I
OL
= -2 mA
V
OH
2X 2.6 V I
OH
= 2 mA
8.2.4 SIM interface
Table 12: SIM card characteristics
SIM card 3 V only
8.2.5 RESET Signal
Table 13: Electrical characteristics
Parameter Min Max Unit
Input Impedance ( R ) 4.7
k
Ω
Input Impedance ( C ) 10 nF
Table 14: Operating conditions
Parameter Min Max Condition
*V
T-
1.1 V 1.2 V
*V
T+
1.7 V 1.9 V
V
OL
0.4 V I
OL
= -50 µA
V
OH
2.0 V I
OH
= 50 µA
* V
T-,
V
T+ :
Hysteresis thresholds
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