GNSS Module Series
LC79D Hardware Design
LC79D_Hardware_Design 14 / 42
3
Application Interfaces
LC79D is designed with 28 pins (18 LCC pins and 10 LGA pins) through which the module can be mounted
to the motherboard of any terminal.
3.1. Pin Assignment
TXD/SPI_CLK
GND
24
B
O
O
T
R
E
S
E
R
V
E
D
R
E
S
E
R
V
E
D
G
N
D
RXD/SPI_CS
1PPS
NST ANDBY
RESERVED
VCC
RESERVED
RESERVED
I2C_SCL
INT
I2C_SDA
RESERVED
VCC_RF
RF_IN
GND
LNA_EN
GND
R
T
S
/SPI
_
M
IS
O
R
E
Q
R
D
Y
R
E
S
E
R
V
E
D
AP
_
R
E
Q
C
T
S
/SPI
_
M
O
S
I
9
1
2
3
4
5
6
7
8
10
18
17
16
15
14
13
12
11
25
26
27
28
19
20
21
22
23
LC79D
Top View
GND
POWER
RESERVED
GPIO
BOOT
ANT
Figure 2: Pin Assignment
