mikroElektronika 4-20mA click Quick Start Manual page 2

5. 4-20mA T Click™ Board Schematic
+3V3 +5V
AN PWM
RST INT
CS#
CS TX
SCK
SCK RX
MISO SCL
SDI
SDA
MOSI
+3.3V +5V
GND GND
MIKROBUS DEVICE CONN.
VCC +3V3
J1
R3
2K2
+5V
LD1
GREEN
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.
VCC VCC_iso
C1 C2
100nF 100nF
GND_iso
VCC VCC_iso
U1
1 16
VDD1 VDD2
2 15
GND1 GND2
CS# 3 14 !CS#
ViA VoA
SCK 4 13 !SCK
ViB VoB
SDI 5 12 !SDI
ViC VoC
6 11
VoD ViD
7 10
CTRL1 CTRL2
8 9
GND1 GND2
ADuM1411
GND_iso
Vref
R1
100
U3
1
Vref Vreg
R2
2
Iin V+
3
20K Iret B
4
Io E
XTR116
GND_iso
VCC_iso Vref
U2
1 8
VDD VOUT
2 7
CS GND
3 6
SCK VREF
4 5
SDI LDAC
MCP4921
C3
100nF
GND_iso
VCC_iso
D1
8
7
1N4007
6
D3
5
1N4007
6. SMD Jumper
There is one zero-ohm SMD jumper J1 which
is used to select whether 3.3V or 5V power
supply is used. Jumper J1 is soldered in 3.3V
position by default.
7. Code Examples
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
website. Just download them and you are
ready to start.
D2
CN2
1N4007
8. Support
D4
LOOP
1N4007
MikroElektronika offers
(www.mikroe.com/esupport)
end of product lifetime, so if something goes
wrong, we are ready and willing to help!
Libstock
.com
Free Tech Support
until the