Related Manuals for OLIMEX MOD-RTC
Summary of Contents for OLIMEX MOD-RTC
- Page 1 MOD-RTC development board USER’S MANUAL Initial release, May 2012 Designed by OLIMEX Ltd, 2011 All boards produced by Olimex LTD are ROHS compliant...
- Page 2 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.
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Page 3: Table Of Contents
Table of Contents CHAPTER 1.........................5 OVERVIEW.........................5 1. Introduction to the chapter.......................5 1.1 Features.............................5 CHAPTER 2 ........................6 SETTING UP THE MOD-RTC MODULE...............6 2. Introduction to the chapter.......................6 2.1 Electrostatic warning.......................6 2.2 Requirements...........................6 2.3 Powering the module.......................6 2.4 Duinomite note.........................6 CHAPTER 3.........................8 MOD-RTC BOARD DESCRIPTION................8... - Page 4 OLIMEX© 2012 MOD-RTC User's Manual CHAPTER 8.......................16 REVISION HISTORY....................16 8. Introduction to the chapter.....................16 8.1 Document revision.........................16 8.2 Web page of your device.......................16 Page 4 of 16...
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Page 5: Chapter 1
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. -
Page 6: Chapter 2
- 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... - Page 7 OLIMEX© 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: Page 7 of 16...
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Page 8: Chapter 3
3. Introduction to the chapter Here you get acquainted with the main parts of the board. Note the names used 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) -
Page 9: Chapter 4
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 •... -
Page 10: Chapter 5
OLIMEX© 2012 MOD-RTC User's Manual CHAPTER 5 CONTROL CIRCUITY 5. Introduction to the chapter Here 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 11: Chapter 6
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. -
Page 12: Jumper Description
OLIMEX© 2012 MOD-RTC User's Manual NOT CONNECTED NOT CONNECTED NOT CONNECTED NOT CONNECTED 6.3 Jumper description The module doesn't have any jumpers. Page 12 of 16... -
Page 13: Chapter 7
In this chapter are located the schematics describing logically and physically MOD-RTC. 7.1 Eagle schematic MOD-RTC schematic is visible for reference 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. - Page 14 OLIMEX© 2012 MOD-RTC User's Manual RTC_MODULE UEXT 2V7 2V7 10pF NA(2.2k) UEXT 32768Hz/6pF OSCI #INT CLKOUT 0R(NA) GN D 1N4148/SMD OSCO 1N4148/SMD 330R 100nF NA(10pF) 330R CLKOUT #INT #INT CLKOUT BC-2001(BTH-W39-20-LF) NA(330R) NA(330R) PCF8563T/5 IDC10S-PCB Page 14 of 16...
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Page 15: Physical Dimensions
OLIMEX© 2012 MOD-RTC User's Manual 7.2 Physical dimensions Note that all dimensions are in inches. Page 15 of 16... -
Page 16: Revision History
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/... - Page 17 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Olimex Ltd. MOD-RTC...