u-blox LEA-5T User Manual

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

u-blox LEA-5T Specifications

General

Brand	u-blox
Model	LEA-5T
Category	GPS
Language	English