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 12 of 80
E15
SPI_MISO
O
SPI_MISO
CMOS 1.8V
Shared with RX_AUX
F15
SPI_CLK
I
SPI Clock
CMOS 1.8V
H15
SPI_MRDY
I
SPI_MRDY
CMOS 1.8V
J15
SPI_SRDY
O
SPI_SRDY
CMOS 1.8V
DIGITAL IO
C8
GPIO_01
I/O
GPIO_01 /STAT LED
CMOS 1.8V
Alternate Function STAT LED
C9
GPIO_02
I/O
GPIO_02
CMOS 1.8V
C10
GPIO_03
I/O
GPIO_03
CMOS 1.8V
C11
GPIO_04
I/O
GPIO_04
CMOS 1.8V
B14
GPIO_05
I/O
GPIO_05
CMOS 1.8V
C12
GPIO_06
I/O
GPIO_06
CMOS 1.8V
C13
GPIO_07
I/O
GPIO_07
CMOS 1.8V
K15
GPIO_08
I/O
GPIO_08
CMOS 1.8V
L15
GPIO_09
I/O
GPIO_09
CMOS 1.8V
G15
GPIO_10
I/O
GPIO_10
CMOS 1.8V
RF SECTION
K1
ANTENNA
I/O
GSM/EDGE/UMTS Antenna
(50 ohm)
RF
F1
ANT_DIV
I
Antenna Diversity Input
(50 ohm)
RF
GPS SECTION (see NOTE1)
R9
ANT_GPS
I
GPS Antenna (50 ohm)
RF
R7
GPS_LNA_EN
O
Output enable for External LNA
supply
CMOS 1.8V
Miscellaneous Functions
R13
RESET*
I
Reset input
CMOS 1.8V
Active low
R12
ON_OFF*
I
Input command for power ON
CMOS 1.8V
Active low
C14
VRTC
I
VRTC Backup capacitor
Power
backup for the embedded
RTC supply
R11
VAUX/PWRMON
O
Supply Output for external
accessories / Power ON Monitor
1.8V
Power Supply
M1
VBATT
-
Main power supply (Baseband)
Power
M2
VBATT
-
Main power supply (Baseband)
Power
N1
VBATT_PA
-
Main power supply (Radio PA)
Power
N2
VBATT_PA
-
Main power supply (Radio PA)
Power
P1
VBATT_PA
-
Main power supply (Radio PA)
Power
P2
VBATT_PA
-
Main power supply (Radio PA)
Power
E1
GND
-
Ground
Power
G1
GND
-
Ground
Power
H1
GND
-
Ground
Power
J1
GND
-
Ground
Power
L1
GND
-
Ground
Power