Usim Card Interface; Overview - Huawei ME936 Hardware Manual

HUAWEI ME936 LTE M.2 Module
Hardware Guide
Parameter
T

3.6 USIM Card Interface

3.6.1 Overview

The ME936 module provides a USIM card interface complying with the ISO 7816-3
standard and supports both 1.8 V and 3.0 V USIM cards.
Table 3-10 USIM card interface signals
Pin
Pin Name
No.
30 UIM_RESET
32 UIM_CLK
34 UIM_DATA
Issue 03 (2017-12-11)
Remarks
Power valid to USB D+ high
pd
The layout design of this circuit on the host board should comply with the USB 2.0 high speed
protocol, with differential characteristic impedance of 90 Ω.
Pad
Description
Type
O USIM Reset
O USIM Clock
I/O USIM DATA
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Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Parameter Min. (V)
0.7 x
V UIM_PW
OH
R
V 0
OL
0.7 x
V UIM_PW
OH
R
V 0
OL
0.7 x
V UIM_PW
OH
R
V 0
OL
0.7 x
V UIM_PW
IH
R
V 0
IL
Time (Nominal value)
5
Typ.(V) Max.(V) Comments
UIM_PWR=1.8
- 3.3
V or 2.85 V
0.2 x
UIM_PWR=1.8
- UIM_PW
V or 2.85 V
R
- 3.3
UIM_PWR=1.8
V or 2.85 V
0.2 x
- UIM_PW
R
UIM_PW
-
R
0.2 x
- UIM_PW
R
UIM_PWR=1.8
V or 2.85 V
UIM_PW
-
R
0.2 x
- UIM_PW
R
Unit
s
37