Wavecom FASTRACK M1306B Guía de usuario descargar pdf (Pagina 48)

WM_PRJ_M13_UGD_001 - 001

20th July 2004

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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

CMOS -0.5 V 0.8 V

CMOS 2.1 V 3.0 V

2X 0.2 V I

= -2 mA

2X 2.6 V I

= 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

Ω

Input Impedance ( C ) 10 nF

Table 14: Operating conditions

Parameter Min Max Condition

T-

1.1 V 1.2 V

T+

1.7 V 1.9 V

0.4 V I

= -50 µA

2.0 V I

= 50 µA

* V

T-,

T+ :

Hysteresis thresholds

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Wavecom FASTRACK M1306B Guía de usuario Pagina 48