Mikroelektronika MikroE Development Kits MIKROE-989 Data Sheet

Product codes
MIKROE-989
Page of 2
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. RS485 click 3.3V Board Schematics
C1
100nF
VCC
R3
2K2
1
2
3
4
8
7
6
5
R4
100K
RX
R/T
TX
R5 56
R6 56
B
A
CN2
CN3
R7
120
PLUS
MINUS
GND
VBUS
PLUS
MINUS
R1
4K7
R2
4K7
VCC
VCC
LD1A
RX
R/T
TX
VCC
AN
RST
CS
SCK
SDI
SDO
+3.3V
GND
PWM
INT
RX
SCL
SDA
+5V
GND
TX
PWR
J4
J2
J3
R
RE
DE
D
VCC
B
A
GND
U1
SN75HVD12
6. Node termination jumpers
1.
2.
3.
If  the  board  is 
the  first  node  of 
RS485 network, all 
three jumpers 
J2-J4
 
should be placed.
If  the  board  is  a  node  in  the  middle,  all 
jumpers should be 
removed
.
If the board is the last node of the RS485 
network, place only 
J4
 termination jumper.
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.