MikroElektronika IrDA2 click Manuel utilisateur

1. Introduction

Once you have soldered the headers your

board is ready to be placed into desired

mikroBUS™ socket. Make sure to align the

cut in the lower-right part of the board

with the markings on the silkscreen at the

mikroBUS™ socket. If all of the pins are

aligned correctly, push the board all

the way into the socket.

3. Plugging the board in

2 3

2. Soldering the headers

4. Essential features

Turn the board upward again. Make sure

to align the headers so that they are

perpendicular to the board, then solder the

pins carefully.

Turn the board upside down so that

bottom side is facing you upwards. Place

shorter parts of the header pins in both

soldering pad locations.

IrDA2 click

Before using your click board™, make sure

to solder 1x8 male headers to both left

and right side of the board. Two 1x8 male

headers are included with the board in

the package.

click

BOARD

www.mikroe.com

IrDA2 click Manual

ver. 1.00

0 100000 020982

IrDA2 Click™ is an accessory board in

mikroBUS™form factor. It’s a compact

and easy solution for adding infrared

communication to your device. It features

TFDU4101 infrared transceiver module as

well as MCP2120 infrared encoder/decoder

connected with the 7.3728 MHz external

crystal. IrDA2 Click™ communicates with

target board via UART interface. The board

is designed to use 3.3V and 5V power

supply. It has a LED diode (GREEN) that

indicates the presence of power supply.

The combination of the TFDU4101 and

MCP2120 results in support for fast and

stable infrared data communication. The

TFDU4101 infrared transceiver module

covers the full IrDA range of more than

1m and speed up to 115.2 kbit/s. With low

power consumption, all these features make

this board ideal for TV and video systems,

printers, fax machines, copiers, external

infrared adapters, diagnostic systems and

other industrial applications.

8. Support

MikroElektronika oers Free Tech Support

(www.mikroe.com/esupport) until the

end of product lifetime, so if something goes

wrong, we are ready and willing to help!

7. Code Examples

.com

Once you have done all the necessary

preparations, it’s time to get your click

board up and running. We have provided

the examples for mikroC, mikroBasic and

mikroPascal compilers on our Libstock

website. Just download them and you are

ready to start.

5. IrDA2 Click™Board Schematic

4 11

RST

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

SCL

SDA

+5V

GND

MIKROBUS DEVICE CONN.

2K2

LD1

100nF

VCC

OSC1

OSC2

RES RX

GND

RXIR

TXIR

MODE

BAUD0

BAUD1

BAUD2

MCP2120

VCC

PWR SEL

7.3728MHz

22pF

2.2

VCC

100nF

VCC

ENABLE

RESET#

MODE

VCC

RESET#

ENABLE TX

MODE

10uF

IR_a

TXD

RXD

VCC

GND

TFDU4101

VCC

2.2uF

B0 Baud RateSoftware

selection

Hardware

selection (bps)

09600

0 0 1 19200

0 1 0 38400

0 1 1 57600

1 0 0 115200

1 1 1 9600

MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.

6. SMD Jumpers

Jumpers J0, J1 and J2 connect MCP2120

controller BAUD0, BAUD1 and BAUD2 pins

to VCC or GND. You can change baud rate

settings by soldering J0, J1 and J2 in the

appropriate position (Table 1). These jumpers

are soldered in logic 1 position by default

(9600 bps, software selection enabled). SMD

jumper J3 is used to select 5V or 3.3V power

supply (default position is 3.3V).

Table 1: Baud rate selection

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