Huawei ME909u-521 - Page 19

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.
19
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
Comments
57
GND
-
Ground
-
-
-
-
-
58
GND
-
Ground
-
-
-
-
-
59
GND
-
Ground
-
-
-
-
-
60
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
61
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
62
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
63
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
64
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
65
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
66
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
67
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
68
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
69
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
70
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
71
WAKEUP_OU
T
O
Module to wake up
the host
V
OH
1.35
1.8
1.8
-
V
OL
0
-
0.45
-
72
JTAG_TDO
O
JTAG test data
output
V
OH
1.35
1.8
1.8
-
V
OL
0
-
0.45
-
73
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-
74
UART0_RTS
O
UART0 Ready for
receive
V
OH
1.35
1.8
1.8
-
V
OL
0
-
0.45
-
75
Reserved
-
Reserved, must
keep this pin open
-
-
-
-
-