Tunable Antenna Control - Huawei ME909u-521 Hardware Manual

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Table 3-14 NC pins
Pin
Pin No.
Name
25, 26, 31, 33, NC
37–41, 82–84,
94–99, 103,
117–120
3.14

Tunable Antenna Control

The module provides tunable antenna control pins. The firmware with this feature is in
plan. The mapping of each band to ANT_TUNE outputs is configurable.
Table 3-15 List of tunable antenna control pins
Pin Pin Name
No.
21 ANT_TUNE0
22 ANT_TUNE1
23 ANT_TUNE2
24 ANT_TUNE3
Issue 05 (2017-12-15)
Pad
Description
Type
- Not connected,
please keep this pin
open
Pad Description
Type
O Tunable antenna
control signal, bit 0
O Tunable antenna
control signal, bit 1
O Tunable antenna
control signal, bit 2
O Tunable antenna
control signal, bit 3
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Description of the Application Interfaces
Parameter Min. Typ.
(V) (V)
- - -
Parameter Min. Typ.
(V) (V)
V 1.35 1.8
OH
V 0 -
OL
V 1.35 1.8
OH
V 0 -
OL
V 1.35 1.8
OH
V 0 -
OL
V 1.35 1.8
OH
V 0 -
OL
Max.
Comments
(V)
- -
Max. Comments
(V)
1.8 -
0.45 -
1.85 -
0.45 -
1.8 -
0.45 -
1.8 -
0.45 -
47