Huawei ME909u-521 Hardware Manual page 17

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Pin Pin Name Pad
No. Type
25 NC -
26 NC -
27 Reserved -
28 UART2_TX O
29 UART2_RX I
30 JTAG_TMS I
31 NC -
32 VCC_EXT1 PO
33 NC -
34 USIM_VCC P
35 Reserved -
36 JTAG_TRST_ I
N
37 NC -
38 NC -
39 NC -
Issue 05 (2017-12-15)
Description Parameter
Not connected, -
please keep this
pin open
Not connected, -
please keep this
pin open
Reserved, must -
keep this pin open
UART2 transmit V
OH
output
V
OL
UART2 receive V
IH
data input
V
IL
JTAG test mode V
IH
select
V
IL
Not connected, -
please keep this
pin open
1.8 V POWER -
output
Not connected, -
please keep this
pin open
Output power -
supply for USIM
card
Reserved, must -
keep this pin open
JTAG reset V
IH
V
IL
Not connected, -
please keep this
pin open
Not connected, -
please keep this
pin open
Not connected, -
please keep this
pin open
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Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Min. Typ. Max.
(V) (V) (V)
- - -
- - -
- - -
1.35 1.8 1.8
0 - 0.45
1.17 1.8 2.1
–0.3
- 0.63
1.17 1.8 2.1
–0.3
- 0.63
- - -
1.75 1.8 1.85
- - -
- 1.8/2.8 -
5
- - -
1.17 1.8 2.1
–0.3
- 0.63
- - -
- - -
- - -
Comments
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