u-blox LEA-5 Series Hardware Manual page 63

LEA-4A/LEA-4S
Pin Name Typical Assignment
12 BOOT_INT NC
13 GND
GND
14 GND
GND
15 GND
GND
16 RF_IN
RF_IN
17 GND
GND
18 VCC_RF VCC - –.1V
19 V_ANT 3.0V - –.0V
20 AADET_N NC (1.8 to 5.0V)
NC (GND or
21 GPSMODE5
VDD18OUT)
GPSMODE2
NC (GND or
22 GPSMODE2
VDD18OUT)
3
23 GPSMODE7
NC (1.8 to 5.0V)
24 VDDUSB 3.0 –3.6V/ GND
25 USB_DM VDDUSB I/O
26 USB_DP VDDUSB I/O
27 EXTINT0
NC (1.8 to 5.0V)
28 TIMEPULSE
VDDIO out
: Pins to be checked carefully; NC: Not connected
Table 17: Pin-out comparison LEA-4A/LEA-4S vs. LEA-5A/LEA-5S
GPS.G5-MS5-09027-A2
LEA-5, NEO-5, TIM-5H - Hardware Integration Manual
LEA-5A/LEA-5S
Pin Name Typical Assignment
Reserved NC
GND
GND
GND
GND
GND
GND
RF_IN
RF_IN
GND
GND
VCC_RF VCC - –.1V
V_ANT 2.7V -5.5V
AADET_N NC
NC
NC
NC
NC
NC
NC
Connected to GND
VDDUSB
or VDD_USB
USB_DM NC
USB_DP NC
EXTINT0
NC
TIMEPULSE
Output
Released
Remarks for Migration
do not drive low.
No difference
No difference
No difference
No difference
No difference
No difference
No difference
Do not leave open. (VDD_USB is 3.3V regulated
power supply from VBUS.)
No difference
No difference
Appendix
Page 63 of 68