mikroElektronika 7seg click User manual

1. Introduction
Once you have soldered the headers your
board is ready to be placed into 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 of 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
1
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
bottom side is facing you upwards. Place
shorter parts of the header pins in both
soldering pad locations.
7seg click
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
7seg click Manual
ver. 1.00
0 100000 021071
7seg Click™ with it’s 74HC595 IC’s gives
additional seven-segment displays to your
design. The 74HC595 IC contains an 8-bit
serial-in, parallel/serial-out shift register as
well as 8-bit storage register. The storage
registers has parallel 3-state outputs.
Separate clocks are provided for both the
shift and storage register. Shift register
has a direct overriding clear input.
7seg Click™ is an accessory board in
mikroBUS™form factor. It’s a compact and
easy solution for adding seven-segment
display to your device. It features two
74HC595 8-bit serial-in, parallel-out shift
register modules as well as two seven-
segment displays. 7seg Click™ communicates
with target board via SPI interface. The board
is designed to use 3.3V and 5V power supply.
It has a LED diode (GREEN) that indicates the
presence of power supply.

8. Support
MikroElektronika oers 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. 7seg Click™ Board Schematic
R21
10K
VCC
R10
2K2
LD1
VCC
C1
100nF
R20
10K
VCC
J1
PWR SEL
1
2
4
5 6
7
9 8
10
3
b
ac
d e
f
g
dp
cccc
DIS1
1
2
4
5 6
7
9 8
10
3
b
ac
d e
f
g
dp
cccc
DIS2
Q2
BC846
Q1
BC846
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
Q1
Q2
Q3
Q4
Q5
Q6
Q7
GND
SHCP
MR
VCC
Q0
DS
OE
STCP
Q7S
74HC595
U2
74HC595
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
Q1
Q2
Q3
Q4
Q5
Q6
Q7
GND
SHCP
MR
VCC
Q0
DS
OE
STCP
Q7S
74HC595
U1
74HC595
C2
100nF
SDO
MR#
MR#
D1_a
D1_b
D1_c
D1_d D1_e
D1_f
D1_g
D0_a
D0_b
D0_c
D0_d
D0_e
D0_f
D0_g
SDI
SDI
SDO
PWM
CC1 CC0
LATCH
SCK
SCK
LATCH
PWM
SCK
LATCH
MR#
R11
360
R1
360
R19
4K7
R2 - R8
R12 - R18
PWM
D1_dp D0_dp
D1_b
D1_a
D1_c
D1_d
D1_e
D1_f
D1_g
D0_b
D0_a
D0_c
D0_d
D0_e
D0_f
D0_g
D1_dp
D0_dp
VCCVCC
R9
100K
R22
4K7
R23
4K7
VCCVCC
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
POWER
MIKROBUS DEVICE CONN.
MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.
Specication 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 power
supply is used. Jumper J1 is soldered in 3.3V
position by default.

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