MOD-RTC development board USER`S MANUAL
Contents
1. MOD RTC development board USER S MANUAL Initial release May 2012 Designed by OLIMEX Ltd 2011 lead free All boards produced by Olimex LTD are ROHS compliant OLIMEXO 2012 MOD RTC User s Manual Disclaimer 2012 Olimex Ltd Olimex logo and combinations thereof are registered trademarks of Olimex Ltd Other terms and product names may be trademarks of others The information in this document is provided in connection with Olimex products No license express or implied or otherwise to any intellectual property right is granted by this document or in connection with the sale of Olimex products Neither the whole nor any part of the information contained in or the product described in this document may be adapted or reproduced in any material from except with the prior written permission of the copyright holder The product described in this document is subject to continuous development and improvements All particulars of the product and its use contained in this document are given by OLIMEX in good faith However all warranties implied or expressed including but not limited to implied warranties of merchantability or fitness for purpose are excluded This document is intended only to assist the reader in the use of the product OLIMEX Ltd shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such information or any incorrect use of the product Thank y2. on the board differ from the names used to describe them For the actual names check the MOD RTC board itself 3 1 Layout bottom view Battery connector Page 8 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 4 THE PCF8563 CMOS REAL TIME CLOCK 4 Introduction to the chapter In this chapter is located the information about the heart of MOD RTC The information is a modified version of the datasheet provided by its manufacturers 4 1 The PCF8563 Provides year month day weekday hours minutes and seconds based on e 32 768 kHz quartz crystal Century flag e Clock operating voltage 1 0 V to 5 5 V at room temperature e Low backup current typical 0 25 A at VDD 3 0 V and Tamb 25 C e 400 kHz two wire I2C bus interface at VDD 1 8 V to 5 5 V Programmable clock output for peripheral devices 32 768 kHz 1 024 kHz 32 Hz and 1 Hz e Alarm and timer functions Integrated oscillator capacitor Internal Power On Reset POR e 2C bus slave address read A3h and write A2h Open drain interrupt pin For comprehensive information on the PCF8563 visit the NXP s web page for a datasheet It is highly recommended to have a look at that datasheet At the moment of writing the microcontroller datasheet can be found at the following link http www nxp com documents data sheet PCF8563 pdf Page 9 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 5 CONTROL CIRCUITY 5 Introduction to the chapter H
3. DE Re cc aso Bea 9 THE PCF8563 CMOS REAL TIME CLOCK e c eee eee eee eee eee ettet tonno 9 4 Introduction to the Chapter ss caede risks eh aepo va Sears d concasdensassuvadeveaszsssuessessonsedieasicseuensess 9 4 T The PCE8503 io beet ivi dre EE sebo re PEE d PEE ses BESTE SOES ASNES FACH PER VUE ADAE FU Soveto akonei o 9 CHAPFER Sasa M 10 CONTROL CIRC UV EY ooo ete e eos ea tad seth On ue tx eese olo seo ea cutee eee 10 5 Introduction to the chapter f retotiota oo asi te ekde teles i opas PESE sko ge sv bea kae d sudedayeleutersoundsvae 10 UM BIS D eM 10 DZ MIT hem cte MM m NOE IOHES 10 CHAPTER e 11 HARDWARE icerisine sa ooi tn tes eta destine e rade oe ede gu aa de dud ab de eae de To E ad aaa a dada oka ERE asise 11 6 Introduction to the Chapter zz a osociren si cati roe rhone vn os sak esa seas UE DEEP SERE PAR oa RS ERA Sr n 11 6 1 BAT Connector erri tase reae RE ded Read ra ICE sooo Ssa Soos diee AVR KEEN SHEER ao kona S A RII Rona kd n sse Soti 11 G2 UJ 29 E ESE n 11 6 3 Jumper CESCHIPUON M sa kd essodvav e 12 CHAPTER qv 80k 13 SAG n E DY PAY D LON T 13 7 Introduction to the chapter sossosssocsossocesoesoseocssossoseocesossosesossoseoossossosesoesossosesossossssosessose 13 ZA Eagle schematis sosisini niie e
4. en use uice cuoco Eees ososan e CE o EU Da eaS EEES te 13 7 2 Physical dimensions uir t eiii peser pra Feb UE ERE ODE assbicvaiec eacucusussteisseisaasetoubssdopsadimeissncevn 15 Page 3 of 16 OLIMEXO 2012 MOD RTC User s Manual 8 Introduction to the chapter 8 1 Document revision 8 2 Web page of your device Page 4 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 1 OVERVIEW 1 Introduction to the chapter Thank you for choosing the MOD RTC extension module from Olimex This device is a tiny implementation of NXP s real time clock calendar chip PCF8563 The main purpose of MOD RTC is adding real time clock to another Olimex board via the UEXT connector without the need of a hardware modification 1 1 Features e PCF8536 Real time clock Lithium 3V battery connector UEXT connector FR 4 1 5 mm soldermask component print Dimensions 40x19mm 1 57 x 0 75 Page 5 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 2 SETTING UP THE MOD RTC MODULE 2 Introduction to the chapter This section helps you set up the MOD RTC development board for the first time Please consider first the electrostatic warning to avoid damaging the board then discover the hardware and software required to operate the board The procedure to power up the board is given and a description of the default board behavior is detailed 2 1 Electrostatic warning MOD RTC is shipped in a protective anti static package The board mus
5. ere you can find information about reset circuit and quartz crystal locations 5 1 Reset The module lacks hardware reset 5 2 Clock Real time clock RTC Q2 is found at pins 1 and 2 of the PCF8563 Page 10 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 6 HARDWARE 6 Introduction to the chapter In this chapter are presented the connectors that can be found on the board all together with their pinout Jumpers functions are described Notes and info on specific peripherals are presented Notes regarding the interfaces are given 6 1 BAT connector 3V battery can be inserted to power the board externally Insert the battery with its positive side top 6 2 UEXT MOD RTC board has UEXT connector and can interface Olimex s UEXT modules Since MOD RTC is configured as a slave device it is advisable to be connected to a host device For more information on UEXT please visit http www olimex com dev OTHER UEXT pdf Signal Name jm s ees a jen Page 11 of 16 OLIMEXO 2012 MOD RTC User s Manual EEC ac NOT CONNECTED s NOT CONNECTED NB NOT CONNECTED NOT CONNECTED 6 3 Jumper description The module doesn t have any jumpers Page 12 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 7 SCHEMATICS 7 Introduction to the chapter In this chapter are located the schematics describing logically and physically MOD RTC 7 1 Eagle schematic MOD RTC schematic is visible for reference
6. here You can also find them on the web page for MOD RTC at our site http www olimex com dev MOD RTC html They are located in HARDWARE section The EAGLE schematic is situated on the next page for guicker reference Page 13 of 16 OLIMEXO 2012 MOD RTC User s Manual SfresHzi6pF R 330R SCL Ru SA i CtipActosr R CLKOUT NA 330R ee eee o eee ee O S B S RTC MODULE l 2V7 2V7 207 2V7 2V7 OO I l d i NA 2 2k Ut FE cs I I I Page 14 of 16 OLIMEXO 2012 MOD RTC User s Manual 7 2 Physical dimensions Note that all dimensions are in inches All dimensions in inches QD RTC rev lt C gt 28 Page 15 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 8 REVISION HISTORY 8 Introduction to the chapter In this chapter you will find the current and the previous version of the document you are reading Also the web page for your device is listed Be sure to check it after a purchase for the latest available updates and examples 8 1 Document revision Pages 8 2 Web page of your device The web page you can visit for more info on your device is http www olimex com dev MOD RTC html There you can find more info and some examples ORDER CODES MOD RTC completely assembled and tested How to order You can order to us directly or by any of our distributors Check our webpage http www olimex com for more i
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8. ou for purchasing MOD RTC development board assembled by OLIMEX LTD Page 2 of 16 OLIMEXO 2012 MOD RTC User s Manual Table of Contents CHAPTER T indie E EU 5 OVERVIEW Gacnzosconidedes sete dcin cep eer oy esa assit poena Eso Main A4 de A added da Dp Eo EE ad al 5 1 Introduction to the Chapter iss iscisccasscavecavsssaaselicsvecsecssbendeciaconrodivaccdasenedecasseeuaivdavenavecivacacseusubavede 5 IM D ilice crm UR 5 CHAR DEER 2 RMP PE EE E E audacssenececsiceccecascensacedansees 6 SETTING UP THE MOD RTC MODULE i sccccsssssssscccscssssssssssccssssssssssssees 6 2 Introduction to the chapter eret seassecesetstbcanssoteselucsnasseashsesndecssdeav sniacodusaoudsvathdunaddsanssateas 6 2 1 Blectrostatit WarHlIg socie recede RTb rre kid PREREB TER dea e RENS 2 ERR R e ds QUE EERER Fe TUR ERR sadudisas sesseuvessiees 6 2 2 Requirements oed DG Ud iei eek ix REIR sad usb Fedele Doa L a T Ve AR ERE FUE RE YE k das 6 2 3 Powering the IITIUTI P O 6 2 4 Duin mit OL zdivo sd dva cis e doo Hui e ero PrYe E e Pe RV eH TREE ACER URP sasso sasae isos REDE 6 CHAPTER Ee A ee Hr veo i ei esee enean E toate cua ox tue penabus 8 MOD RTC BOARD DESCRIPTION cccsssssscsssscsssssccssssssssscccsssessssscsssssscsssssscess 8 3 Introduction to the chapter esie seio co ribns oes cit suo olas ae a oak E P PRAYER EFE ds v lada ds a ones Ip 8 3 1 Layout DOttOm VIEW siccasstscusccsssicossedbscissoasceats I IIT 8 COPA
9. t not be exposed to high electrostatic potentials A grounding strap or similar protective device should be worn when handling the board Avoid touching the component pins or any other metallic element 2 2 Requirements In order to set up the MOD RTC the following items are required MOD RTC module itself an OLIMEX board to use as a host Note that it is possible to use another board without UEXT but that might cost you the ease of use e g you will have to manually connect wires in the proper order Additionally if your host board can t provide 3 3V on the UEXT connector you will need 3V battery able to power the module 2 3 Powering the module The module is powered either by the UEXT of a host board or by a battery It required at least 3V 2 4 Duinomite note Duinomite has prebuilt support for MOD RTC in firmwares prior to firmware version 3 x There is a high chance that the support for MOD RTC is implemented by the time you are reading however Page 6 of 16 OLIMEXO 2012 MOD RTC User s Manual but it is not guaranteed All you have to do is write setup command and change RTC on Boot Check the pictures below gg COM26 PuTTY Inm n Sw tt St COM26 PuTTY O E e sw Mele p z o d Page 7 of 16 OLIMEXO 2012 MOD RTC User s Manual CHAPTER 3 MOD RTC BOARD DESCRIPTION 3 Introduction to the chapter Here you get acquainted with the main parts of the board Note the names used
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