User's Manual

HE910 Hardware User Guide
1vv0300925 Rev.28 – 2015-06-24
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 14 of 14
A3
SIMVCC -
External SIM signal – Power supply
for the SIM
1.8 / 3V
Digital Voice Interface (DVI)
B9
DVI_WA0 I/O Digital Audio Interface (WA0) 1.8V
16K pull down (typical at 1.8V)
when in Input
B6
DVI_RX I Digital Audio Interface (RX) 1.8V
Input with 16K pull down (typical at
1.8V)
B7
DVI_TX I/O Digital Audio Interface (TX) 1.8V
16K pull down (typical at 1.8V)
when in Input
B8
DVI_CLK I/O Digital Audio Interface (CLK) 1.8V
Input with 16K pull down (typical at
1.8V)
SPI
D15
SPI_MOSI I SPI MOSI CMOS 1.8V Shared with TX_AUX
E15
SPI_MISO O SPI_MISO CMOS 1.8V Shared with RX_AUX
F15
SPI_CLK I SPI Clock CMOS 1.8V
Shared with
HSIC_HOST_WAKEUP
H15
SPI_MRDY I SPI_MRDY CMOS 1.8V
Shared with
HSIC_SLAVE_WAKEUP
J15
SPI_SRDY O SPI_SRDY CMOS 1.8V
Shared with
HSIC_HOST_ACTIVE
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
Shared with
HSIC_SUSPEND_REQUEST
L15
GPIO_09 I/O GPIO_09 CMOS 1.8V
G15
GPIO_10 I/O GPIO_10 CMOS 1.8V
ADC
B1
ADC_IN1 AI Analog / Digital converter input A/D Accepted values 0 to 1.2V DC
RF SECTION
K1
ANTENNA I/O
GSM/EDGE/UMTS Antenna
(50 ohm)
RF
F1
ANT_DIV I
Antenna Diversity Input
(50 ohm)
RF See NOTE 1
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
HW_SHUTDOWN* I HW Unconditional Shutdown 1.8V Active low
R12
ON_OFF* I Input command for power ON 1.8V Active low
C14
VRTC I VRTC Backup capacitor Power
backup for the embedded RTC supply
(1.8V)