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HUAWEI ME909 Series Mini PCIe Module
Hardware Guide
Table 3-3 Definition of the USB interface
Pin No.
36
38
According to USB protocol, for bus timing or electrical characteristics of ME909 USB
signal, please refer to the chapter 7.3.2 of
Figure 3-8 Recommended circuit of USB interface
3.10 USIM Card Interface
3.10.1 Overview
The ME909 module provides a USIM card interface complying with the ISO 7816-3
standard and supports both Class B and Class C USIM cards.
Table 3-4 USIM card interface signals
Pin
No.
14
12
10
Issue 0.1 (2013-06-09)
Pin Name
I/O
USB_DM
I/O
USB_DP
I/O
Pin Name
I/O
Description
External USIM
UIM_RESET
O
reset signal.
External USIM
UIM_CLK
O
clock signal
External USIM
UIM_DATA
I/O
data signal
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Description
USB signal D-
USB signal D+
Universal Serial Bus Specification 2.0.
DC Characteristics (V)
Min.
-
-
-
DC Characteristics (V)
Min.
Typ.
Max.
-
-
-
-
-
-
Typ.
Max.
-
1.8/2.85
-
1.8/2.85
-
1.8/2.85
19
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