Usim Card Interface; Overview; Circuit Recommended For The Usim Card Interface - Huawei MU609 Hardware Manual

HUAWEI MU609 HSPA LGA Module
Hardware Guide

3.7 USIM Card Interface

3.7.1 Overview

The MU609 module provides a USIM card interface complying with the ISO 7816-3
standard and supports both Class B and Class C USIM cards.
Table 3-10 USIM card interface signals
PIN Pin
Pad Type
No. Name
USIM_
88 O
RESET
USIM_
90 O
CLK
USIM_
89 I/O
DATA
USIM_
34 PO
VCC

3.7.2 Circuit Recommended for the USIM Card Interface

As the MU609 module is not equipped with a USIM socket, you need to place a USIM
socket on the user interface board.
Figure 3-14 shows the circuit of the USIM card interface.
Issue 04 (2016-12-12)
Description Parameter
V
OH
USIM card
reset
V
OL
V
OH
USIM card
clock
V
OL
V
IH
V
IL
USIM card
data
V
OH
V
OL
Power -
supply for
USIM card
-
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Typ.
Min. (V) Max. (V)
(V)
0.7 x - 3.3
USIM_VCC
- 0.2 x
0
USIM_VCC
0.7 x - 3.3
USIM_VCC
- 0.2 x
0
USIM_VCC
0.7 x - 3.3
USIM_VCC
- 0.2 x
0
USIM_VCC
0.7 x - 3.3
USIM_VCC
- 0.2 x
0
USIM_VCC
1.75 1.8 1.98
2.75 2.85 3.3
Comments
USIM_VCC
=1.8 V or
2.85 V
USIM_VCC
=1.8 V or
2.85 V
USIM_VCC
=1.8 V or
2.85 V
USIM_VCC
=1.8 V
USIM_VCC
=2.85 V
36