Quectel L89 R2.0, Руководство пользователя

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GNSS Module Series
L89_R2.0_EVB_User_Guide 14 / 25
Test point distribution is shown below:
Table 3: J401 Pin Assignment
RXD TXD 1PPS RESET_N GND
3.0V SCL SDA 3D_FIX GND
Table 4: Detailed Description of J401 Pin
S302
WAKEUP Button
press the button for a short time and then
release to wake up the module from Backup
mode.
Test Points
J401
Test Points
Pins are detailed in
Table 3
below.
Pin Name I/O Description
3.0V PI
NC
SCL I/O
I2C serial clock
SDA I/O
I2C serial data
3D_FIX DO
3D fix indication
GND -
Ground
RXD DI
Receives data
TXD DO
Transmits data
1PPS DO 1 pulse per second
RESET_N
DI Resets the module
GND -
Ground