Rainbow Electronics MG260 - 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