Mikroe Click RTC3 Manuale utente
2 3
click™
BOARD
www.mikroe.com
2. Soldering the headers
3. Plugging the board in
Once you have soldered the headers your
board is ready to be placed into the 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 the pins are aligned
correctly, push the board all
the way into the socket.
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
the bottom side is facing you upwards.
Place shorter pins of the header into the
appropriate soldering pads.
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.
4. Essential features
RTC3 click™has an integrated trickle charger
that maintains a backup charge through
with an onboard super capacitor. The board
is ideal for applications which require real-
time clocks, calendars and programmed
alarms. It counts seconds, minutes, hours,
date of the month, month, day of the week,
and year with leap-year clock function with
four year calendar.
1
RTC3 click™carries BQ32000, a real time
clock/calendar with automatic switchover
to backup power supply. The clock frequency
is derived from an onboard 32.768KHz
oscillator. RTC3 click™communicates with
the target board microcontroller through
mikroBUS™I2C lines: SCL, SDA. In addition,
the INT pin serves as a congurable interrupt
output. The board is designed to use a 3.3V
power supply only.
RTC3 click™
1. Introduction
RTC3 click™manual
ver 1.00
0100000074497
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS DEVICE CONN.
VCC-3V3
R1
2K2
VCC-3V3
LD1
C1
1uF
VCC-3V3
R2
4K7
R3
4K7
R4
4K7
VCC-3V3
INT
SCL
SDA
INT
SCL
SDA
VCC-3V3
C2
100nF
VCC-3V3
OSCI
1
OSCO
2
Vback
3
GND
4
Vcc 8
IRQ 7
SCL 6
SDA 5
U1
BQ32000
VCC-3V3 VCC-3V3
X1 32.768KHz
C4
22pF
C3
22pF
R5 0E1
0.22F
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 28.5 1122
WIDTH 25.4 1000
HEIGHT* 16.4 645.7
5. Schematic
7. RTC3 click™alternatives 10. Disclaimer
9. Support
25.4 mm / 1000 mils
28.5 mm / 1122 mils
RTC3 click™, as the name implies, is the third
click™board with a real time clock module.
Visit the click™board page to see all available
alternatives. Including RTC click™which can
also work on a 5V power supply.
www.mikroe.com/click
* without headers
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