MikroElektronika TRF click Manuel utilisateur

1. Introduction

Once you have soldered the headers your

board is ready to be placed into the 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 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

the bottom side is facing you upwards.

Place shorter pins of the header into the

appropriate soldering pads.

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

tRF click Manual

ver. 1.00

0 100000 025895

tRF Click™is an add-on board in mikroBUS™

form factor. It’s a compact and easy solution

for adding 868MHz RF communication

to your design. It features the Telit

LE70-868 - 868MHz transceiver module,

an SMA connector for an antenna as well

as two radio communication LEDs. tRF

Click™communicates with the target board

microcontroller via mikroBUS™UART (Rx,

Tx), AN, RST, PWM and INT lines. The board

is designed to use 3.3V power supply only.

A LED diode serves as a power indicator.

clicktRF

tRF Click™with LE70-868 IC represents a

868MHz RF transceiver module with an

embedded stack that is easy to integrate

and use in point-to-point or star network

topologies. The board enables radio data

rates from 4.8 to 57.6 kbps with maximum

output power of 500mW and a range of

over 4000 meters (maximum tested range)

in open space. The board contains radio

transmit (red) and receive (yellow) LEDs.

8. Support

MikroElektronika oers Free Tech Support

(www.mikroe.com/support/) 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 examples

for mikroC™, mikroBasic™and mikroPascal™

compilers on our Libstock website. Just

download them and you are ready to start.

5. tRF Click™Board Schematic

2.2uF

RST

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

SCL

SDA

+5V

GND

MIKROBUS DEVICE CONN.

2K2

LD1

RST

VCC-3.3

VCC-3.3VCC-3.3

18 1

IO2

IO8_AD_DA

IO3

PDI_CLK

GND

PDI_DATA

GND

PROG

GND

WKP/STB IO1

IO4

IO5

IO6

IO7

IO9

3019

TXD

GND

RXD

RTS

RESET

CTS

VDD

GND

ANT

GND

Telit RF

RXD

TXD

RXD

RST

VCC-3.3

STB IO1

IO2

ACK

STAT

STB STAT

ACK

100nF

VCC-3.3

CN1

ANT_SMA

LD2

LD3

2K2

VCC-3.3

IO2

IO1 R1

PDTC114EU

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

tRF click™board also contains

an SMA right angle conncetor

for an external 868Mhz an-

tenna. The an-

tenna is not pro-

vided with the package,

but can be ordered from

MikroElektronika’s online

store.

6. Antenna

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