Mikroelektronika MikroE Development Kits MIKROE-70 Fiche De Données

MikroElektronika

The IrDA additional board is used for wireless communication carried out via infrared waves. This board includes an infrared transceiver 

modul TFDU4101 used for serial communication with devices transferring data via infrared waves such as printers, fax machines, 

notebooks, industrial devices, etc. The MCP2155 circuit provided on the board is used to convert data received from the transceiver 

module  and  send  it  to  the  microcontroller  for  further  processing. The  IrDA  board  communicates  with  a  microcontroller  via  serial 

communication UART.

Figure 1: IrDA board

Figure 2: Additional board IrDA connection schematic

Infrared transceiver 

module TFDU4101

DIP switch SW1 is used to 

select a development system 

to connect the IRDA board to

2x5 female connector 

enables connection with 

development system

The TFDU4101 infrared transceiver module can send and receive data in the scope of over 

1m at a rate of up to 115.2kbit/s. The data rate depends on the MCP2155 circuit and position 

of jumpers B1 and B0. Refer to the table on the right. DIP switch SW1 is used to select a 

development system to be connected to the additional board, Figure 2.

Labels used in the table have the following meaning:

E - Jumper is placed (Enable)

D - Jumper is removed (Disable)

Jumpers used for data 

rate selection

The MCP2155 circuit is placed 

between the transceiver 

module and microcontroller

Data rate selection

Jumper position

Data rate

E

E

9.6 kbit/s

E

D

19.2 kbit/s

D

E

57.6 kbit/s

D

D

115.2 kbit/s