Ublox MAX-M10S User Manual

MAX-M10S-Integration manual
Pin no. Name PIO no. I/O Description Remarks
13 LNA_EN - O On/Off external LNA
or active antenna
This pin cannot be used for another purpose as it also
controls the internal LNA.
See LNA_EN for more information.
14 VCC_RF - O Output voltage RF
section
This pin supplies a filtered voltage that can be used
for optional external active antenna or LNA. This pin
is internally connected to VCC through a ferrite bead.
15 VIO_SEL - I Voltage selector for
V_IO supply
Connect to GND for 1.8 V supply, or leave open for 3.3
V supply
16 SDA 2 I/O I2C data
If not used, leave open. Alternative functions
1
.
17 SCL 3 I I2C clock
If not used, leave open. Alternative functions
1
.
18 SAFEBOOT_N - I Safeboot mode
To enter safeboot mode, set this pin to low at receiver's
startup. Otherwise, leave it open.
The SAFEBOOT_N pin is internally connected to
TIMEPULSE pin through a 1 kΩ series resistor.
Table 1: MAX-M10S pin assignment
UBX-20053088 - R03
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1 System description Page 8 of 89
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Ublox MAX-M10S Specifications

General

Brand	Ublox
Model	MAX-M10S
Category	Receiver
Language	English