u-blox NEO-6M - LEA-6 Design; LEA-6 Passive Antenna Design

LEA-6 / NEO-6 - Hardware Integration Manual
GPS.G6-HW-09007-A Preliminary Design-in
Page 21 of 62
2.2 LEA-6 design
2.2.1 LEA-6 passive antenna design
This is a minimal setup for a PVT GPS receiver with a LEA-6 module.
USB port
Passive Antenna
Vcc
Micro
Processor
(serial)
(optional)
Backup
Battery
(optional)
+
Micro
Processor
(USB)
1
SDA2 / SPI_MOSI
SCL2 / SPI_MISO
TxD1
RxD1
NC
VCC
GND
VCC_OUT
CFG_COM1/ NC
SPI_SCS2_N /TIMEPULSE2
RESET_N
V_BCKP
Reserved
GND
GND
RF_IN
VCC_RF
V_ANT
NC / FWD
NC / SPI_SCS1_N
NC / SPI_SCK
VDDUSB
USB_DM
USB_DP
EXTINT0 / SPEED
TIMEPULSE
GND
GND
AADET_N
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LEA-6
Top View
LDO
Figure 11: Passive antenna design for LEA-6 receivers using USB port
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