SoCKit User Manual
65
www.terasic.com
December 1, 2015
Figure 5-9 Block Diagram of the IR Receiver Demonstration
Next we will introduce how this information is decoded and then displayed in this demo.
When a key on the remote controller is pressed, the remote controller will emit a standard frame,
shown in
Figure 5-10.
The beginning of the frame is the lead code represents the start bit, and then
is the key-related information, and the last 1 bit end code represents the end of the frame.
Lead Code 1bit
Custom Code 16bits
Key Code 8bits
Inv Key Code
8bits
End
Code
1bit
Figure 5-10 The transmitting frame of the IR remote controller
