Quectel L26-LB, Руководство пользователя

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GNSS Module Series
L26-LB_EVB_User_Guide 13 / 26
Table 2: Detailed EVB Interfaces
J106 pin assignment is shown below:
Table 3: J106 Pin Assignment
32K/DRIN AADET_N 1PPS STANDBY GND
TIMER RESET TXD1 RXD1 GND
Function Interfaces Description
Power Supply
J201
Micro-USB Connector
Power supply input:
⚫
DC power supply: 4.5
–5.5 V, typ. 5.0 V
⚫
Current capability should be > 100 mA
Communication Interface
J201
Micro-USB Connector
Standard NMEA message output, PMTK/PQ
command input and output, and firmware
upgrade.
RF Input
J101
Antenna Connector
The antenna in the kit supports:
⚫
GPS L1 C/A
⚫
GLONASS L1
⚫
BDS B1I
⚫
QZSS L1 C/A
⚫
SBAS
Signal Indication
D105
TXD Indication LED
(Blue LED)
Flashing: Data are output from UART TXD pin.
Extinct or Bright: No data are output from UART
TXD pin
.
D106
1PPS Indication LED
(Red LED)
Flashing: Successful position fix.
Frequency: 1 Hz.
Extinct: No position fix.
Switches and Buttons
S201
Power Switch
Powers the EVB on/off.
S301
UART↔USB Switch Switch between USB data transfer and UART
data transfer.
S102
RESET Button
Short press on the button to reset the module.
Test Points
J106
Test Points
Pins are detailed in
Table 3
and
Table 4
below.