AN113
Rev 1.0 | Page 8/34
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Figure 6. Selecting the LED On/Off Configuration of CMT2250A
4.
After both of the modules are programmed done successfully, the user can start evaluate the LED On/Off control scheme.
A few key parameters settings in this application scheme are:
Frequency
= 433.92 MHz
Symbol Rate
= 4.8 ksps
Encoder
= 1920
Push Button Setting = Toggle, 5 buttons
Study Function
= on
Study Button
= Pin11 (K1)
Notes:
1.
Please refer to the “AN112 CMT2150A Configuration Guideline” for the introduction of Toggle mode of the push button
setting and the 1920 encoding format.
2.
The study function is enabled in this scheme, while the Sync ID on both of the Tx and Rx side are set to the same by
default. In order to experience the study function, the user should set the Sync ID to the different values before burning
the configurations to the Tx and Rx devices. Pin11 (K1) is assigned as the study button in Periodic Tx scheme.
2.2 Pulse
In the Pulse scheme, the user can experience to push buttons on the transmitter module to turn on and off the LEDs on the
receiver module. Each time an instruction is issued by pressing the button(s), the corresponding LEDs will only be turned on
for 2 seconds and then automatically switched off. The push buttons are shown and described in the figure/table below:
Figure 7. EMs Used to Experience Pulse Scheme
