Telit Wireless Solutions HE910 - Page 15

HE910 Hardware User Guide
1VV0300925 Rev. 32 Page 15 of 111 2019-11-25
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
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
H15
SPI_MRDY
I
SPI_MRDY
CMOS 1.8V
HSIC_HOST_
WAKEUP