UNICORECOMM UM982 User Manual

UM982 User Manual
8 Hardware UC-00-M31 EN P1.0.0
2.2 Pin Definition
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Top View
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1 2 3 4 5 6 8 9 10 11 12 137
SPIS_CSN
V_BCKP
GND
GND
ANT1_IN
GND
SPIS_MOSI
SPIS_CLK
SPIS_MISO
SPIS_SDRY
RSV
RSV
RSV
GND
ANT2_IN
GND
GND
RESET
_N
EVENT
RSV
PPS
RSV
RXD3
TXD3
BIF
BIF
RSV
RSV
RSV
GND
ANT2_PWR
GND
ANT1_PWR
GND
RSV
RSV
RSV ERR_STAT
PVT_STAT
RTK_STAT
RXD1
TXD1
RXD2
TXD2
SCL
SDA
VCC
VCC
Figure2-2 UM982 Pin Definition
Table 2-2 Pin Description
No.
Pin
I/O
Description
1
GND
—
Ground
2
ANT1_IN
I
GNSS master antenna signal input
3
GND
—
Ground
4
GND
—
Ground
5
V_BCKP
I
When the main power supply VCC is cut off,
V_BCKP supplies power to RTC and SRAM.
Level requirements: 2.0 V ~ 3.6 V, and the working
current is about 20 μA at 25 °C.
Can be floating when the hot start function is not
used.

UNICORECOMM UM982 Specifications

General

Brand	UNICORECOMM
Model	UM982
Category	GPS
Language	English