User's Manual

UE910 3G HARDWARE USER GUIDE 1vv0301171 Rev.3 • 2015-04-17 40 of 78
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USB HSIC
The UE910 Module is provided by one USB HSIC interface.
The USB HSIC (High Speed Inter Processor) Interface allows supporting the inter-processor
communication between an application processor (AP) – the host, and the modem processor
(CP) – the UE910.
The following table is listing the available signals:
PAD
Signal
I/O
Function
Type
NOTE
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
For the detailed use of USB HSIC port please refer to the related Application Note.
NOTE:
Due to the shared functions, when the USB_HSIC port is used, it is not
possible to use the SPI and GPIO_08.
The USB_HSIC is not active by default but it has to be enabled using the
AT#PORTCFG command (refer to the AT user guide for the detailed syntax
description).