Altera DE1-SoC - IR Receiver and Emitter Components

DE1-SoC User Manual
37
www.terasic.com
March 14, 2014
3.6.8 IR Receiver
The board comes with an infrared remote-control receiver module (model: IRM-V538/TR1), whose
datasheet is provided in the directory \Datasheets\ IR Receiver and Emitter of DE1-SoC system CD.
The remote controller included in the kit has an encoding chip (uPD6121G) built-in for generating
infrared signals. Figure 3-24 shows the connection of IR receiver to the FPGA. Table 3-18 shows
the pin assignment of IR receiver to the FPGA.
Figure 3-24 Connection between the FPGA and IR Receiver
Table 3-18 Pin Assignment of IR Receiver
Signal Name
FPGA Pin No.
Description
I/O Standard
IRDA_RXD
PIN_ AA30
IR Receiver
3.3V
3.6.9 IR Emitter LED
The board has an IR emitter LED for IR communication, which is widely used for operating
television device wirelessly from a short line-of-sight distance. It can also be used to communicate
with other systems by matching this IR emitter LED with another IR receiver on the other side.
Figure 3-25 shows the connection of IR emitter LED to the FPGA. Table 3-19 shows the pin
assignment of IR emitter LED to the FPGA.
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