Telit Wireless Solutions HE910 - Page 14

HE910 Hardware User Guide
1VV0300925 Rev. 32 Page 14 of 111 2019-11-25
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_DA
TA
I/O
USB HSIC data signal
CMOS 1.2V
A11
HSIC_USB_ST
RB
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_W
AKEUP
O
Host Wake Up
CMOS 1.8V
Shared with
SPI CLK
K15
HSIC_SUSPEN
D_REQUEST
O
Slave Suspend Request
CMOS 1.8V
Shared with
GPIO08
J15
HSIC_HOST_A
CTIVE
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