Wavecom FASTRACK M1306B Guide de l'utilisateur télécharger pdf (Page 54)

Fastrack M1306B User Guide

Technical Characteristics

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WM_PRJ_M13_UGD_001 -003 November 11, 2006

Table 19: Recommended characteristics for the speaker:

Feature Value

Type 10 mW, electro-magnetic

Impedance

Z = 32 to 50 Ω

Sensitivity 110 dB SPL min. (0 dB = 20 µPa)

Frequency response compatible with the GSM specifications

8.2.3 General Purpose Input/Output

Both GPIO4 and GPIO5 may be interfaced with a component that comply with 3 Volts

CMOS levels.

Table 20: Operating conditions

Parameter I/O type Min Max Condition

CMOS -0.5 V 0.8 V

CMOS 2.1 V 3.0V

2X 0 0.2 V I

= -2 mA

2X 2.6 V 2.8 V I

= 2 mA

Clamping diodes are present on I/O pads.

8.2.4 SIM Interface

Table 21: SIM card characteristics

SIM card 3 V only

8.2.5 RESET Signal

Table 22: Electrical characteristics

Parameter Min Max Unit

Input Impedance ( R ) 4.7

kΩ

Input Impedance ( C ) 10 nF

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 66 67

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Wavecom FASTRACK M1306B Guide de l'utilisateur Page 54