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 13 of 13
3 HE910 module connections
3.1 PIN-OUT
PAD Signal I/O Function Type COMMENT
USB HS 2.0 COMMUNICATION PORT
B15
USB_D+ I/O USB differential Data (+)
C15
USB_D- I/O USB differential Data (-)
A13
VUSB I
Power sense for the internal USB
transceiver.
Asynchronous Serial Port (USIF0) - Prog. / Data + HW Flow Control
N15
C103/TXD I Serial data input from DTE CMOS 1.8V
M15
C104/RXD O Serial data output to DTE CMOS 1.8V
M14
C108/DTR I Input for (DTR) from DTE CMOS 1.8V
L14
C105/RTS I
Input for Request to send signal
(RTS) from DTE
CMOS 1.8V
P15
C106/CTS O
Output for Clear to Send signal
(CTS) to DTE
CMOS 1.8V
N14
C109/DCD O Output for (DCD) to DTE CMOS 1.8V
P14
C107/DSR O Output for (DSR) to DTE CMOS 1.8V
R14
C125/RING O Output for Ring (RI) to DTE CMOS 1.8V
Asynchronous Auxiliary Serial Port (USIF1)
D15
TX_AUX O Auxiliary UART (TX Data to DTE) CMOS 1.8V
E15
RX_AUX I
Auxiliary UART (RX Data from
DTE)
CMOS 1.8V
USB HSIC
A12
HSIC_USB_DATA I/O USB HSIC data signal CMOS 1.2V
A11
HSIC_USB_STRB I/O USB HSIC strobe signal CMOS 1.2V
H15
HSIC_SLAVE_WAKEUP I Slave Wake Up CMOS 1.8V Shared with SPI_MRDY
F15
HSIC_HOST_WAKEUP O Host Wake Up CMOS 1.8V Shared with SPI CLK
K15
HSIC_SUSPEND_REQUEST O Slave Suspend Request CMOS 1.8V Shared with GPIO08
J15
HSIC_HOST_ACTIVE I Active Host Indication CMOS 1.8V Shared with SPI_SRDY
D13
VDD_IO1 I VDD_IO1 Input To be connected to E13
E13
1V8_SEL O 1V8 SEL for VDD_IO1 To be connected to D13
SIM card interface
A6
SIMCLK O External SIM signal – Clock 1.8 / 3V
A7
SIMRST O External SIM signal – Reset 1.8 / 3V
A5
SIMIO I/O External SIM signal – Data I/O 1.8 / 3V
A4
SIMIN I
External SIM signal – Presence
(active low)
CMOS 1.8