User's Manual
HE910 Hardware User Guide
1vv0300925 Rev.9 – 07-02-2012
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 18 of 80
3.1.2 LGA Pads Layout (HE910-D)
TOP VIEW
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
1
RES
RES
RES
GND
ANT_DIV
GND
GND
GND
ANT
GND
VBATT
VBATT_
PA
VBATT_
PA
2
GND
RES
RES
RES
GND
GND
GND
GND
GND
GND
GND
VBATT
VBATT_
PA
VBATT_
PA
GND
3
SIMVC
C
RES
RES
RES
RES
RES
RES
RES
RES
RES
RES
GND
GND
GND
GND
4
SIMIN
RES
RES
GND
GND
GND
GND
GND
5
SIMIO
RES
RES
GND
GND
GND
6
SIMCLK
RES
RES
GND
GND
GND
7
SIMRS
T
RES
RES
RES
RES
RES
8
RES
RES
GPIO_01
RES
GND
GND
9
RES
RES
GPIO_02
RES
GND
RES
10
RES
RES
GPIO_03
RES
GND
GND
11
RES
RES
GPIO_04
RES
RES
VAUX/P
WRMON
12
RES
RES
GPIO_06
RES
GND
RES
RES
ON_OFF
*
13
VUSB
GND
GPIO_07
VDD_IO
1
VIO1_1V
8
RES
RES
RES
RES
RES
RES
RES
RES
GND
RESET*
14
RES
GPIO_05
VRTC
RES
GND
RES
RES
RES
RES
RES
C105/RT
S
C108/DT
R
C109/DC
D
C107/DS
R
C125/RI
NG
15
USB_D+
USB_D-
TX AUX
RX AUX
SPI_CLK
GPIO_10
SPI_MR
DY
SPI_SR
DY
GPIO_08
GPIO_09
C104/RX
D
C103/TX
D
C106/CT
S
NOTE:
The pin defined as RES has to be considered RESERVED and not connected on any pin
in the application.