Huawei ME909s Series - USIM Card Interface

HUAWEI ME909s Series LTE Mini PCIe Module
Hardware Guide
Description of the Application Interfaces
Issue 02 (2016-09-07)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
25
compatible with the USB 2.0 signal specifications. Figure 3-10 shows the circuit of the
USB interface.
Table 3-6 Definition of the USB interface
Pin
No.
Pin Name
Pad Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
36
USB_DM
I/O
USB signal D-
-
-
-
-
38
USB_DP
I/O
USB signal D+
-
-
-
-
According to USB protocol, for bus timing or electrical characteristics of ME909s Mini
PCIe USB signal, please refer to the chapter 7.3.2 of Universal Serial Bus
Specification 2.0.
Figure 3-10 Recommended circuit of USB interface
3.7 USIM Card Interface
3.7.1 Overview
The ME909s Mini PCIe module provides a USIM card interface complying with the
ISO 7816-3 standard and supports both Class B and Class C USIM cards.
Table 3-7 USIM card interface signals
Pin
No.
Pin
Name
Pad
Type
Description
Parameter
Min.(V)
Typ.(V)
Max.(V)
Comment
14
USIM_
RESET
O
USIM card
reset
V
OH
0.7 x
USIM_P
WR
-
3.3
USIM_PWR
=1.8 V or 3.0
V
V
OL
0
-
0.2 x
USIM_P
WR