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UM960L User Manual
UC-00-M48 EN R1.1
Hardware
7
No.
Pin
I/O
Description
22
V_BCKP
2
I
When the main power supply VCC is cut off,
V_BCKP supplies power to RTC and relevant
register. Level requirement: 2.0 V ~ 3.6 V, and
the working current is less than 60 μA at
25 °C. If you do not use the hot start function,
connect V_BCKP to VCC. Do NOT connect it to
ground or leave it floating.
23
VCC
I
Supply voltage
24
GND
—
Ground
2.2
Electrical Specifications
2.2.1
Absolute Maximum Ratings
Table 2-2 Absolute Maximum Ratings
Parameter
Symbol
Min.
Max.
Unit
Power Supply (VCC)
VCC
-0.3
3.6
V
Voltage Input
V
in
-0.3
3.6
V
GNSS Antenna Signal Input ANT_IN
-0.3
6
V
RF Input Power of Antenna
ANT_IN input
power
+10
dBm
External LNA Power Supply
VCC_RF
-0.3
3.6
V
VCC_RF Output Current
ICC_RF
100
mA
Storage Temperature
T
stg
-55
95
° C
2
Not supported currently