Host / Module Interfaces; Host Interface Pin Details - Sierra Wireless MC5725 Hardware Integration Manual

5: Host / Module Interfaces

Rev 1.9.1 Feb.09
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
This chapter provides information about specific host interface
pin assignments, the host‐module communication interface
(USB interface), LED outputs, USIM interface, and lists
extended AT commands that may be useful for hardware
integration testing.

Host interface pin details

Note: On any given interface (USB, USIM, etc.) leave unused inputs
and outputs as no-connects.
Detailed connector pin information is available in the product
specification documents for each module—refer to these
documents when integrating modules into your host devices.
The following are specific integration considerations relating
to the host interface connector pins:
• On any given interface (USB, USIM, etc.), leave unused
inputs and outputs as no‐connects.
Table 5‐1 describes MC8775V / MC8785V / MC8790V /
•
MC8791V / MC8792V‐specific pins that are rated for 2.6 V.
Reference these pins to the MSM_2.6 V rail (pin 11) as the
maximum limit.
Table 5-1: MC8775V / MC8785V / MC8790V / MC8791V /
MC8792V 2.6 V connector pins
Pin Signal name
1 MIC_P
3 MIC_N
6 GPIO_1
16 GPIO_2
22 AUXV1
28 GPIO_3
33 MDL_RESET_N
44 GPIO_4
45 CTS1 / PCM_CLK
Proprietary and Confidential
a
Description
Microphone Positive
Microphone Negative
b
General Purpose I/O
a
General Purpose I/O
Auxiliary Voltage 1
a
General Purpose I/O
Reset
a
General Purpose I/O
UART Clear To Send or PCM Clock
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