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8. Support

MikroElektronika offers 

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. USB UART Click

 Board Schematic

VCC3V3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

TXD

DTR#

RTS#

VCCIO

RXD

RI#

GND

NC

DSR#

DCD#

CTS#

CBUS4

CBUS2

CBUS3

CBUS0

CBUS1

OSCO

OSCI

TEST

AGND

NC

GND

GND

VCC

RESET#

3V3OUT

USBDM

USBDP

FT232RL

U1

FT232RL

VCCIO

VCC5

C3

100nF

LD1

LD2

RX-LED

TX-LED

R2

4K7

R1

2K2

VCCIO

VCCIO

R3

1K

R4

2K2

C1

100nF

C2

100nF

RXD

TXD

D_N

D_P

RX

TX

VCC5

CTS

RTS

RXD

TXD

CTS

RTS

E1

10uF

VCC5

VCC3V3

C5

2.2uF

C4

2.2uF

1
2
3

IN
GND

OUT

5

4

EN ADJ

U2

AP7331-ADJ

R5

287K

R7

39K

R6

2K2

VCCIO

J1

LD3

POWER

VCC5

VCC5

VCC3V3

VCCIO

CBUS4

CBUS4

CBUS3

CBUS3

FP1

FERRITE

C6

100nF

1

2

3

4

5

GND

ID

D+

D-

VBUS

CN2

USB  MINIB

D1

PMEG3010ER

D2

PMEG3010ER

RST/EN

RST/EN

AN

RST

CS

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

RX

TX

SCL

SDA

+5V

GND

MIKROBUS  DEVICE  CONN.

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

Specification and information contained in the present schematic are subject to change at any time without notice. Copyright © 2012 MikroElektronika. All rights reserved.

6. SMD Jumper

There is one zero-ohm SMD jumper 

J1

 which 

is used to select whether 3.3V or 5V I/O level 

is used. Jumper 

J1

 is soldered in 3.3V position 

by default.

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