Huawei ME909s Series - Page 14

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.
14
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
Comment
Mini PCI
Express
Standard
Description
HUAWEI
Pin
Description
5
COEX2
UART_RTS
O
UART request to
send
V
OH
1.35
1.8
1.98
-
V
OL
0
-
0.45
-
6
1.5 V
NC
-
Not connected
-
-
-
-
-
7
CLKREQ#
WAKEUP_I
N
I
Sleep authorization
signal.
H: Sleep mode is
disabled.
L: Sleep mode is
enabled (default
value).
V
IH
1.17
1.8
1.98
-
V
IL
–0.3
-
0.63
-
8
UIM_PWR
USIM_PWR
PO
Power supply for
USIM card
-
1.75
1.8
1.98
USIM_PWR
=1.8 V
-
2.75
3.0
3.3
USIM_PWR
=3.0 V
9
GND
GND
-
Ground
-
-
-
-
-
10
UIM_DATA
USIM_DAT
A
I/O
USIM card data
V
IH
0.65
x
USI
M_P
WR
-
3.30
USIM_PWR
=1.8 V or
3.0 V
V
IL
0
-
0.25
x
USI
M_P
WR
V
OH
0.7 x
USI
M_P
WR
-
3.3
V
OL
0
-
0.2 x
USI
M_P
WR
11
REFCLK-
NC
-
Not connected
-
-
-
-
-
12
UIM_CLK
USIM_CLK
O
USIM card clock
V
OH
0.7 x
USI
M_P
WR
-
3.3
USIM_PWR
=1.8 V or
3.0 V