Thingmagic M5e-Compact Manual de usuario Pagina 38

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Antenna Ports
38 Functionality of the Embedded Modules
Output lines. In order to enable automatic multiplexer port switching the module must be
configured to use Use GPIO as Antenna Switch in S
et Reader Configuration(9Ah).
Once the GPIO line usage has been enabled the following control line states are applied
when the different Logical Antenna settings are used in S
et Antenna Port (91h).
Note
The TX/RX Logical Antenna values are static labels indicating the available
control line states. The specific physical antenna port they map to depends
on the control line to antenna port map of the multiplexer in use. The
translation from TX/RX Logical Antenna label to physical port must be
maintained by the control software.
GPIO 1 & 2 Used for Antenna Switching
TX/RX Logical
Antenna Setting
GPIO
Output 1
State
GPIO
Output 2
State
Physical Module
Port State
01 01 Low Low TX=1 RX=1
02 02 Low Low TX=2 RX=2
03 03 Low High TX=1 RX=1
04 04 Low High TX=2 RX=2
05 05 High Low TX=1 RX=1
06 06 High Low TX=2 RX=2
07 07 High High TX=1 RX=1
08 08 High High TX=2 RX=2
01 02 Low Low TX=1 RX=2
03 04 Low High TX=1 RX=2
05 06 High Low TX=1 RX=2
07 08 High High TX=1 RX=2
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