Huawei ME909u-521 - Page 16

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 05 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
16
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
Comments
9
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
10
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
11
WAKEUP_IN
I
Host to set the
module into sleep
or wake up the
module from sleep.
V
IH
1.17
1.8
2.1
-
V
IL
–0.3
-
0.63
-
12
VBAT
PI
Power supply input
-
3.3
3.8
4.2
-
13
VBAT
PI
Power supply input
-
3.3
3.8
4.2
-
14
PS_HOLD
I
Power supply hold
signal to PMU,
used for JTAG
V
IH
1.17
1.8
2.1
-
V
IL
–0.3
-
0.63
-
15
SLEEP_STAT
US
O
Indicates sleep
status of
ME909u-521
module
V
OH
1.35
1.8
1.8
-
V
OL
0
-
0.45
-
16
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
17
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
18
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
19
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
20
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
21
ANT_TUNE0
O
Tunable antenna
control signal, bit 0
V
OH
1.35
1.8
1.8
-
V
OL
0
-
0.45
-
22
ANT_TUNE1
O
Tunable antenna
control signal, bit 1
V
OH
1.35
1.8
1.85
-
V
OL
0
-
0.45
-
23
ANT_TUNE2
O
Tunable antenna
control signal, bit 2
V
OH
1.35
1.8
1.8
-
V
OL
0
-
0.45
-
24
ANT_TUNE3
O
Tunable antenna
control signal, bit 3
V
OH
1.35
1.8
1.8
-
V
OL
0
-
0.45
-