8 dead reckoning interface – Rainbow Electronics MG260 User Manual
Page 71
MG260 Product Specification
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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
Lev
l
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_EXTINT0
9
I
CMOS 1.8 V