Ublox NEO-6 User Manual

LEA-6 / NEO-6 / MAX-6 - Hardware Integration Manual
UBX-14054794 Production Information Design-in
Page 32 of 85
2.2.1 Pin description for LEA-6 designs
Function
PIN
No
I/O
Description
Remarks
Power
VCC
6
I
Supply Voltage
Provide clean and stable supply.
GND
7, 13-15,
17
I
Ground
Assure a good GND connection to all GND pins of the module,
preferably with a large ground.
VCC_OUT
8
O
Leave open if not used.
V_BCKP
11
I
Backup voltage
supply
It’s recommended to connect a backup battery to V_BCKP in order
to enable Warm and Hot Start features on the receivers. Otherwise
connect to GND.
VDDUSB
24
I
USB Power
Supply
To use the USB interface connect this pin to 3.0 – 3.6V derived from
VBUS.
If no USB serial port used connect to GND.
Antenna
RF_IN
16
I
GPS/GALILEO
signal input
from antenna
Use a controlled impedance transmission line of 50 Ohm to connect
to RF_IN.
Don’t supply DC through this pin. Use V_ANT pin to supply power.
VCC_RF
18
O
Output Voltage
RF section
Can be used to power an external active antenna (VCC_RF
connected to V_ANT with 10 ). The max power consumption of
the Antenna must not exceed the datasheet specification of the
module.
Leave open if not used.
V_ANT
19
I
Antenna Bias
voltage
Connect to GND (or leave open) if Passive Antenna is used. If an
active Antenna is used, add a 10  resistor in front of V_ANT input
to the Antenna Bias Voltage or VCC_RF
AADET_N
20
I
Active Antenna
Detect
Input pin for optional antenna supervisor circuitry. Leave open if not
used.
UART
TxD1
3
O
Serial Port 1
Communication interface can be programmed as TX ready for I2C
interface. Leave open if not used.
RxD1
4
I
Serial Port 1
Serial port input with internal pull-up resistor to VCC. Leave open if
not used. Don’t use external pull up resistor.
USB
USB_DM
25
I/O
USB I/O line
USB2.0 bidirectional communication pin. Leave open if unused.
Implementations see section 1.6.2.
USB_DP
26
I/O
USB I/O line
System
RESET_N
10
I
Hardware Reset
(Active Low)
Leave open if not used. Do not drive high.
TIMEPULSE
28
O
Timepulse
Signal
Configurable Timepulse signal (one pulse per second by default).
Leave open if not used.
EXTINT0
/SPEED
27
I
Ext. Interrupt
/Odometer
Ext. Interrupt Pin. Int. pull-up resistor to VCC. Leave open if unused.
LEA-6R: Odometer speed
CFG_COM1
/NC
/SPI_SCS2_N
/TIMEPULSE2
9
I
Config. Pin
/NC
/SPI
/TIMEPULSE2
LEA-6S, LEA-6A: Leave open for default configuration.
LEA-6H, LEA-6T-2: Do not connect
LEA-6R: SPI select 2
LEA-6T-0, LEA-6T-1: TIMEPULSE2
SDA2
/SPI_MOSI
1
I/O
DDC Pins
/SPI
DDC Data. Leave open if not used.
LEA-6R: SPI MOSI
SCL2
/SPI_MISO
2
I/O
DDC Pins
/SPI
DDC Clock. Leave open if not used.
LEA-6R: SPI MISO
Reserved
12
I
Leave open, do not drive low.
NC
5
Leave open for only LEA-6x design. Connect to VCC for backward
compatibility to LEA-5x.
NC
/FWD
21
Not Connect
/Direction
Leave open
LEA-6R: Forward / Backward indication
NC
/SPI_ SCS1_N
22
Not Connect
/SPI
Leave open
LEA-6R: SPI select 1
NC
/SPI_SCK
23
Not Connect
/SPI
Leave open
LEA-6R: SPI clock
Table 14: Pin description LEA-6

Ublox NEO-6 Specifications

General

Brand	Ublox
Model	NEO-6
Category	Control Unit
Language	English