unicore UM981, Руководство пользователя, Страница: 15 / 27

UM981 User Manual
10 Hardware UC-00-M33 EN R1.0
No. Pin I/O Description
51 EVENT I
Event mark input, with adjustable frequency
and polarity
52 NC — No connection inside
53 PPS O
Pulse per second, with adjustable pulse
width and polarity
54 NC — No connection inside
2.2 Electrical Specifications
2.2.1 Absolute Maximum Ratings
Table 2-2 Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit
Power Supply Voltage VCC -0.3 3.6 V
Input Voltage V
in
-0.3 3.6 V
GNSS Antenna Signal Input ANT_IN -0.3 6 V
Antenna RF Input Power
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