Velleman DS1302 Bruksanvisning

Velleman Inte kategoriserad DS1302

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VMA301
DS1302 REAL -TIME CL OCK MODULE
USER MANUAL
VMA301
V. 01 02/02/2017 2 ©Velleman nv –
USER MANUAL
1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could
harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste; it should
be taken to a specialized company for recycling. This device should be returned to your distributor or to
a local recycling service. Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for choosing Velleman®! Please read the manual thoroughly before bringing this device into service.
If the device was damaged in transit, do not install or use it and contact your dealer.
2. Safety Instructions
This device can be used by children aged from 8 years and above, and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if
they have been given supervision or instruction concerning the use of the device in a
safe way and understand the hazards involved. Children shall not play with the device.
Cleaning and user maintenance shall not be made by children without supervision.
Indoor use only.
Keep away from rain, moisture, splashing and dripping liquids.
3. General Guidelines
Refer to the Velleman® Service and Quality Warranty on the last pages of this manual.
Familiarise yourself with the functions of the device before actually using it.
All modifications of the device are forbidden for safety reasons. Damage caused by user
modifications to the device is not covered by the warranty.
Only use the device for its intended purpose. Using the device in an unauthorised way
will void the warranty.
Damage caused by disregard of certain guidelines in this manual is not covered by the
warranty and the dealer will not accept responsibility for any ensuing defects or
problems.
Nor Velleman nv nor its dealers can be held responsible for any damage (extraordinary,
incidental or indirect) – of any nature (financial, physical…) arising from the possession,
use or failure of this product.
Due to constant product improvements, the actual product appearance might differ from
the shown images.
Product images are for illustrative purposes only.
Do not switch the device on immediately after it has been exposed to changes in
temperature. Protect the device against damage by leaving it switched off until it has
reached room temperature.
Keep this manual for future reference.
VMA301
V. 01 02/02/2017 3 ©Velleman nv –
4. What is Arduino®
Arduino® is an open-source prototyping platform based in easy- -use hardware and software. Arduinoto ® boards
are able to read inputs light-on sensor, a finger on a button or a Twitter message and turn it into an output – –
– activating of a motor, turning on an LED, publishing something online. You can tell your board what to do by
sending a set of instructions to the microcontroller on the board. To do so, you use the Arduino programming
language (based on Wiring) and the Arduino® software IDE (based on Processing).
Surf to and for more information. www.arduino.cc www.arduino.org
5. Overview
The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM.
It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides
seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically
adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either
the 24-hour or 12-hour format with an AM/PM indicator.
Arduino®
VMA301
D 27
CE
D 29
I/O
D 31
SCLK
D33
VCC
D35
GND
power supply ................................................................................................... 1 x CR2032
TTL compatible .................................................................................................. VCC = 5 V
temperature range ...................................................................................... 0 °C to +70 °C
6. Pin Layout
CE
Input. The CE signal must be asserted high during a read or a write. This pin has an internal
40 ) pulldown resistor to ground. Note: Previous data sheet revisions referred to CE as kΩ (typ
RST. The functionality of the pin has not changed.
I/O
Input/push-pull output. The I/O pin is the bidirectional data pin for the 3-wire interface. This pin
has an internal 40 kΩ (typ) pulldown resistor to ground.
SCLK
Input. SCLK is used to synchronize data movement on the serial interface. This pin has an internal
40 kΩ (typ) pulldown resistor to ground.

Produktspecifikationer

Varumärke: Velleman
Kategori: Inte kategoriserad
Modell: DS1302

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