Quectel LC76G Series User Manual

GNSS Module Series
LC76G_Series_EVB_User_Guide 14 / 33
Table 4: J402 Pin Detailed Description
Test Point No. Test Point Label Test Point Function I/O Description
1 PIN1 GND - Ground
2 3 U103: Pin 3 DI RXD: Receives data
3 5 U103: Pin 5 - Reserved
4 7 U103: Pin 7 - Reserved
5 9 U103: Pin 9 DI RESET_N: Resets the module
6 11 U103: Pin 11 - NC (Not Connected)
7 13 U103: Pin 13 DI
ANT_ON: Power control for
external LNA or active antenna in
power saving mode
8 15 U103: Pin 15 - Reserved
9 17 U103: Pin 17 DI I2C_SCL: I2C serial clock
10 19 U103: Pin 19 - Reserved
11 21 U103: Pin 21 DO
GEOFENCE: Indicates geofence
status
12 23 U103: Pin 23 DO 3D_FIX*: 3D position fix indication
13 25 U103: Pin 25 DI SPI_CLK*: SPI clock signal
14 27 U103: Pin 27 DI
SPI_MOSI
*: SPI master output,
slave input
15 No label - - NC
16 No label - - NC
17 28 GND - Ground
18 26 U103: Pin 26 DO
SPI_MISO
*
: SPI master input,
slave output
19 24 U103: Pin 24 DI
D_SEL: Selects UART/SPI
interface to download
20 22 U103: Pin 22 DO JAM_IND*: Jamming indication
21 20 U103: Pin 20 DI SPI_CS*: SPI chip-select
22 18 U103: Pin 18 - Reserved

Quectel LC76G Series Specifications

General

Brand	Quectel
Model	LC76G Series
Category	Motherboard
Language	English