User-Developed Drivers; Sim Interface; Table 4-4: Sim Interface Signal - Sierra Wireless AirPrime MC7710 Product Technical Specification & Customer Design Manuallines

Product Technical Specification & Customer Design Guidelines

Table 4-4: SIM interface signal

Name
USIM_PWR
USIM_DATA
USIM_CLK
USIM_RST
USIM_GND
1. See Figure 4-4 on page 33
32 Proprietary and Confidential - Contents subject to change
be characterized by the OEM. Note that throughput will be reduced and may vary
significantly based on
Wireless does not recommend using this device in USB full speed mode.

User-developed drivers

If you will be developing your own USB drivers, see [5] AirCard / AirPrime USB
Driver Developer's Guide (Doc# 2130634).

SIM interface

The module supports one SIM (Subscriber Identity Module) (1.8 V or 3 V). The
SIM holds account information, allowing users to use their account on multiple
devices.
The SIM pins (Table
socket located on the host device as shown in
levels over this interface comply with 3GPP standards.
Pin Description
8 SIM voltage
10 Data I/O
12 Serial clock
14 Reset
Ground
for SIM card contacts.
packet size, host interface, and
4-4) provide the connections necessary to interface to a SIM
SIM contact Notes
1
number
1 Power supply for SIM
7 Bi-directional SIM data line
3 Serial clock for SIM data
2 Active low SIM reset
5 Ground reference
USIM_GND is common to module ground
firmware revision. Sierra
Figure 4-3 on page 33. Voltage
2400089