Quectel LC76F, Руководство пользователя

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GNSS Module Series
LC76F_EVB_User_Guide 13 / 26
3.2.
EVB Interfaces
The EVB interfaces are detailed in the table below.
Table 3: Detailed EVB Interfaces
Test point distribution is shown below:
Table 4: J106 Pin Assignment
32K/DRIN AADET_N 1PPS STANDBY GND
TIMER RESET_N TXD1 RXD1 GND
Function
Interfaces
Description
Power Supply
J201
Micro-USB
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
Standard NMEA messages output, PGKC
commands input/output, and firmware
upgrade.
RF Input
J101
Antenna Connector
The antenna in the Kit supports:
⚫
GPS L1 C/A
⚫
GLONASS L1
⚫
Galileo * E1
⚫
QZSS L1 C/A
⚫
SBAS L1
Signal Indication
D101
Indication LEDS
TXD
(Blue LED)
Flashing: Data output from UART TXD pin.
Extinct or Bright: No data output from UART
TXD.
1PPS
(Red LED)
Flashing: Successful position fix.
The frequency is 1 Hz.
Extinct: No position fix.
Switches and Buttons
S201
Power Switch
Power the EVB on/off.
S301
U
ART↔USB Switch
Switch between USB data transfer and
UART data transfer features.
Z101
RESET_N Button
Short press on the button to reset the
module.
Test Points
J106
Test Points
Pins are detailed in
Table 4
and
Table 5
below.