Table of Contents
Advertisement
3.2. Board User Interfaces
The EVB interfaces are detailed in the table below.
Table 3: Detailed EVB Interfaces
Function
Interfaces
J101
Power Supply
POWER_5V
Communication
J201
Interface
USB_UART
J401
RF Input
LG69T_ANT
Antenna Connector
D309
TXD/1PPS
indication LED
Signal Indication
D109
5 V/3.3 V
Indication LED
D310
GEO_F
Indication LED
S101
Power Switch
S201
Switch
and
RESET_GNSS
Buttons
S202
BOOT_GNSS
Test Points
J501
LG69T(AA,AD)_EVB_User_Guide
Description
Power supply input:
⚫
DC power supply: 4.5–5.5 V, typ. 5.0 V.
⚫
Current capability should be > 1 A.
Enhanced COM Port: Used for configuring the
modules, firmware upgrade, and NMEA/RTCM
message output.
Standard COM Port: No message input/output,
reserved for future use.
The antenna in the kit supports:
⚫
GPS/QZSS L1 C/A and L5
⚫
Galileo E1 and E5a
⚫
BDS B1I and B2a
⚫
SBAS
Flash: Outputs pulse signal of 1 Hz.
1PPS
Extinct: 1PPS is unavailable.
(Red LED)
Flash: Message output from UART1 TXD.
TXD
Extinct/Bright: No message output from UART1
(Green LED)
TXD.
3.3 V
EVB 3.3 V power indicator.
(Red LED)
5 V
EVB 5 V power indicator.
(Green LED)
GEO_F
Geofence indicator.
(Red LED)
Power the EVB on/off.
Short press the button to reset the modules.
Press and hold the button first and then flip the
power switch to ON position to make the modules
enter Boot download mode.
Pins are detailed in Table 4 below.
GNSS Module Series
*
L1
12 / 31
Advertisement
Table of Contents
