User Manual
T1 T2 T3 T4
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS DEVICE CONN.
1
2
3
VCC VCC
R1
10K
T1
CS
SCK
MISO
MOSI
R17
2K2
PWR
C1
10nF
VCC
R2
10K
T2
C2
10nF
VCC
R3
10K
T3
C3
10nF
VCC
R4
10K
T4
C4
10nF
VCC
R5
10K
T5
C5
10nF
T5
VCC
R6
10K
T6
C6
10nF
T6
VCC
R7
10K
T7
C7
10nF
T7
VCC
R8
10K
T8
C8
10nF
T8
VCC
R9
10K
T9
C9
10nF
T9
VCC
R10
10K
T10
C10
10nF
T10
VCC
R11
10K
T11
C11
10nF
T11
VCC
R12
10K
T12
C12
10nF
T12
VCC
R13
10K
T13
C13
10nF
T13
VCC
R14
10K
T14
C14
10nF
T14
VCC
R15
10K
T15
C15
10nF
T15
VCC
R16
10K
T16
C16
10nF
T16
VCC
SH/LD
1
CLK
2
E
3
F
4
G
5
H
6
QH
7
GND
8
QH
9
SER
10
A
11
B
12
C
13
D
14
INH
15
VCC
16
74HC165
VCC
CS
SCK
SER
MISO
T9
T10
T11
T12T13
T14
T15
T16
SH/LD
1
CLK
2
E
3
F
4
G
5
H
6
QH
7
GND
8
QH
9
SER
10
A
11
B
12
C
13
D
14
INH
15
VCC
16
U1
74HC165
U2
CS
SCK
SER
MOSI
T1
T2
T3
T4T5
T6
T7
T8
VCC
C17
100nF
VCC
C18
100nF
VCC
PWR SEL.
8. Code examples
MikroElektronika oers free tech support
(www.mikroe.com/support) until the end of
the product’s lifetime, so if something goes
wrong, we’re ready and willing to help!
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.
.com
6. Dimensions
MikroElektronika assumes no responsibility
or liability for any errors or inaccuracies
that may appear in the present document.
Specication and information contained in
the present schematic are subject to change
at any time without notice.
Copyright © 2015 MikroElektronika.
All rights reserved.
mm mils
LENGTH
57.15 2250
WIDTH
25.4 1000
HEIGHT*
5.25 207
5. Schematic
7. SMD jumper
9. Support
25.4 mm / 1000 mils
57.15 / 2250 mils
* without headers
10. Disclaimer
4x4 Key click has a PWR SEL jumper (zero
ohm resistor) that lets you switch the board
form 3.3V to 5V power supply.