Specifications

WM_PRJ_Q2501_PTS_001 – 003
March 2004
© 2003 All rights reserved
Page:
72
/
93
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without prior written
agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son
autorisation préalable.
2.9.7.3 Buzzer output
Operating conditions
Parameter Condition Min Max Unit
V
OL
I
AVERAGE
= 40 mA 0.6 V
I
PEAK
VBATT = VBATT max 80 mA
I
AVERAGE
VBATT = VBATT max 40 mA
Recommended characteristics for the buzzer
:
Type electro-magnetic.
Impedance
7 to 30
Ω
Sensitivity 90 dB SPL min @ 10 cm
2.9.7.4 External interrupt (~INTR)
Electrical characteristics
Parameter Min Max Unit
V
IL
-0.5V 0.7V Volt
V
IH
2.2V 3.0V Volt
2.9.8 Dead reckoning interface
Signal Pin I/O I/O type Level Comment
GPS_SCK 5 I CMOS
1.8 V / 1X
GPS_MOSI 8 I/O CMOS
1.8 V / 1X
GPS_MISO 11 I/O CMOS
1.8 V / 1X
GPS_PCS0_N 13 O CMOS
1.8 V / 1X
GPS_PCS1_N 15 O CMOS
1.8 V / 1X
GPS_REVERSE 7 I CMOS 1.8 V
GPS_EXTINT0 9 I CMOS 1.8 V