NEO-5
-
Hardware
Integration
Manual
Preliminary
Product
Testing
GPS.G5-MS5-08003-A2
u-blox
proprietary
Page 37
A Migration to u-blox 5 receivers
Migrating
ANTARIS
®
4
to
a
u-blox
5
GPS/GALILEO
receiver
is
a
straightforward
procedure.
Nevertheless
there
are
some
points
to
be
considered
during
the
migration.
Not
all
of
the
functionalities
available
with
ANTARIS
®
4
are
supported
by
u-blox
5.
These
include:
•
FixNow
Mode
•
Low
Power
Modes
•
RTCM
•
UTM
A.1 Migration from NEO-4S to NEO-5
The
pin-outs
of
NEO-4S
and
NEO-5M/NEO-5Q
differ
slightly.
compares
the
modules
and
highlights
the
differences
to
be
considered.
NEO-4S
NEO-5
Remarks for Migration
Pin
Pin
Name
Typ.
Assignment
Pin
Name
Typ.
Assignment
1 BOOT_INT
NC
Reserved
NC
do
not
drive
low.
2 SELECT
VDDIO
level
I/O;
not
connected
NC/
SS_N
NC
NEO-5M:
NC
NEO-5Q:
SS_N
3 TIMEPULSE
VDDIO
level
I/O
TIMEPULSE
Output
4 EXTINT0
NC
EXTINT0
NC
5 USB_DM
NC
USB_DM
NC
6 USB_DP
NC
USB_DP
NC
7 VDDUSB
Connected
to
GND
or
VDD_USB
VDDUSB
Connected
to
GND
or
VDD_USB
Do
not
leave
open.
(VDD_USB
is
3.3V
regulated
power
supply
from
VBUS.)
8 Reserved
NC
Reserved
NC
Pins
8
and
9
must
be
connected.
9 VCC_RF
VCC-0.1V
VCC_RF
VCC-0.1V
No
difference
10 GND
GND
GND
GND
No
difference
11 RF_IN
RF_IN
RF_IN
RF_IN
No
difference
12 GND
GND
GND
GND
No
difference
13 GND
GND
GND
GND
No
difference
14 MOSI
NC
MOSI/CFG_COM0
NC
15 MISO
NC
MISO/NC
NC
16
SCK/
CFG_USB
RF_IN
SCK/CFG_GPS0/
NC
NC
Leave
open
if
not
used.
17 NCS
NC
SCS1_N/
NC
NC
No
difference
18 Reserved
NC
SDA2
NC
19 Reserved
NC
SCL2
NC
20 TXD1
VDDIO
level
I/O
TxD1
Output
21 RXD1
VDDIO
level
I/O
RxD1
Input
Leave
open
if
not
used.
22 V_BAT
1.5-3.6V
V_BCKP
1.4-4.8V
Wider
voltage
range
but
needs
more
current.
Check
your
backup
supply,
regarding
the
higher
consumption.
23 VCC
2.7-3.3V
VCC
2.7-3.6V
Higher
peak
supply
current
24 GND
GND
GND
GND
No
difference
J
:
Pins
to
be
checked
carefully;
NC:
Not
connected
Table 5: Pin-out comparison NEO-4S vs. NEO-5