Ublox NEO-6 User Manual

LEA-6 / NEO-6 / MAX-6 - Hardware Integration Manual
UBX-14054794 Production Information Design-in
Page 35 of 85
2.3.2 Pin description for NEO-6 designs
Function
PIN
No
I/O
Description
Remarks
Power
VCC
23
I
Supply Voltage
Max allowed ripple on VCC=50 mVpp
GND
10,12,13,24
I
Ground
Assure a good GND connection to all GND pins of the module,
preferably with a large ground plane.
V_BCKP
22
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
7
I
USB Power
Supply
To use the USB interface connect this pin to 3.0 – 3.6 V.
If no USB serial port used connect to GND.
Antenna
RF_IN
11
I
GPS signal
input from
antenna
The connection to the antenna has to be routed on the PCB. Use a
controlled impedance of 50  to connect RF_IN to the antenna or
the antenna connector.
VCC_RF
9
O
Output Voltage
RF section
Pins 8 and 9 must be connected together. VCC_RF can also be used
to power an external active antenna.
UART
TxD1
20
O
Serial Port 1
Communication interface, can be programmed as TX ready for I2C
interface.
RxD1
21
I
Serial Port 1
Serial input. Internal pull-up resistor to VCC. Leave open if not used.
USB
USB_DM
5
I/O
USB I/O line
USB2.0 bidirectional communication pin. Leave open if unused.
Implementation see section 1.6.2
USB_DP
6
I/O
USB I/O line
System
TIMEPULSE
3
O
Timepulse
Signal
Configurable Timepulse signal (one pulse per second by default).
Leave open if not used.
EXTINT0
4
I
External
Interrupt
External Interrupt Pin.
Internal pull-up resistor to VCC. Leave open if not used.
SDA2
18
I/O
DDC Pins
DDC Data. Leave open, if not used.
SCL2
19
I/O
DDC Pins
DDC Clock. Leave open, if not used.
Reserved
17
I/O
Reserved
Can be configured as ANTOFF
CFG_COM1
/MISO
15
I/O
Config. Pin
/SPI MISO
Leave open if not used.
CFG_COM0
/MOSI
14
I/O
Config. Pin
/SPI MOSI
Leave open if not used.
Note Connect to GND to use USB in Self Powered mode. See
section 1.7.4 and the NEO-6 Data Sheet [3]
Reserved
8
I
Reserved
Pins 8 and 9 must be connected together. Can be used as a
RESET_N input. See section 1.7.1
Reserved
1
-
Reserved
Leave open.
SS_N
2
I/O
SPI Select
Leave open if not used.
CFG_GPS0
/SCK
16
I/O
Config. Pin
/SPI SCK
Leave open if not used.
Table 15: Pinout NEO-6

Ublox NEO-6 Specifications

General

Brand	Ublox
Model	NEO-6
Category	Control Unit
Language	English