MAX-M10S - Integration manual
1.3 Pin assignment
Figure 2: MAX-M10S pin assignment
Pin no.
Name
PIO no. I/O
Description
Remarks
1
GND
-
-
-
Connect to GND
2
TXD
1
O
UART TX
If not used, leave open. Alternative functions
.
3
RXD
0
I
UART RX
If not used, leave open. Alternative functions
.
4
TIMEPULSE
4
O
Time pulse signal
Alternative functions
.
5
EXTINT
5
I
External interrupt
for more information. Alternative
functions
6
V_BCKP
-
I
Backup voltage
supply.
Leave open if no external backup supply. See
for more information.
7
V_IO
-
I
IO voltage supply
8
VCC
-
I
Main voltage supply
for more information.
9
RESET_N
-
I
System reset (active
low)
It has to be low for at least 1 ms to trigger a reset. Leave
open if not used.
See
section for more information.
10
GND
-
-
-
Connect to GND
11
RF_IN
-
I
GNSS signal input
The RF signal line is DC blocked internally. The line
must match the 50 Ω impedance.
See sections
for more
information about the RF signal considerations.
12
GND
-
-
-
Connect to GND
1
Alternatively, this pin can be used for OPENDET, SHORTDET,
, and data batching. Care must be taken when
the assigned function sets the pin as an output.
UBX-20053088 - R03
1 System description
Page 7 of 89
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