MAX-7 / NEO-7 / LEA-7 - Hardware Integration Manual
GPS.G7-HW-11006-1
Migration to u-blox-7 modules
Page 41 of 55
4.2.4
Hardware migration LEA-6N -> LEA-7N
Pi
n
LEA-6N
LEA-7N
Remarks for Migration
Pin Name
Typical Assignment
Pin Name
Typical Assignment
1
SDA
DDC Data
SDA
DDC Data
No difference
2
SCL
DDC Clock
SCL
DDC Clock
No difference
3
TxD
Serial Port
TxD
Serial Port
No difference
4
RxD
Serial Port
RxD
Serial Port
No difference
5
NC
Not Connected
NC
Not Connected
No difference
6
VCC
Supply voltage
VCC
Supply voltage
No difference
7
GND
Ground (digital)
GND
Ground (digital)
No difference
8
VCC_OUT
Output voltage
VCC_OUT
Output voltage
No difference
9
NC
Not Connected
NC
Not Connected
No difference
10
RESET_N
External Reset
RESET_N
External Reset
No difference
11
V_BCKP
Backup voltage
supply
V_BCKP
Backup voltage
supply
If on u-blox 6 module this was connected to GND,
no problem to do the same in u-blox 7.
12
Reserved
Do not drive low
Reserved
Do not drive low
No difference
13
GND
Ground
GND
Ground
No difference
14
GND
Ground
GND
Ground
No difference
15
GND
Ground
GND
Ground
No difference
16
RF_IN
GPS signal input
RF_IN
GPS signal input
No difference
17
GND
Ground
GND
Ground
No difference
18
VCC_RF
Output Voltage RF
section
VCC_RF
Output Voltage RF
section
No difference
19
V_ANT
Antenna Bias
voltage
V_ANT
Antenna Bias
voltage
No difference
20
AADET_N
Active Antenna
Detect
AADET_N
Active Antenna
Detect
No difference
21
Reserved
Not Connected
Reserved
Not Connected
No difference
22
Reserved
Not Connected
Reserved
Not Connected
No difference
23
Reserved
Not Connected
Reserved
Not Connected
No difference
24
VDD_USB
USB Supply
VDD_USB
USB Supply
No difference
25
USB_DM
USB Data
USB_DM
USB Data
No difference
26
USB_DP
USB Data
USB_DP
USB Data
No difference
27
EXTINT0
External Interrupt
Pin
EXTINT0
External Interrupt
Pin
No difference
28
TIMEPULSE
Timepulse (1PPS)
TIMEPULSE
Timepulse (1PPS)
No difference
Table 16: Pin-out comparison LEA-6 vs. LEA-7
