(V850E/IA3, V850E/IA4, V850ES/IK1, V850ES/IE2) AN
Contents
1. 1 Forcibly terminates DMAG transfer PRCMD 0x00 Writes to command register used when writing to a special register PCC 0x00 Selects clock as fxx call function None Variable None File name clock generator1 c Caution DMA transfer is forcibly terminated in this sample program because all DMA transfers must be terminated before performing data setting to the special register Set the PCC register after switching to the PLL mode The PCC register is a special register and can therefore only be written in a combination of specific sequences 8 Application Note U18242EJ1VOAN Clock generator PLL mode 1 2 ELE Disables maskable interrupt request clock pll mode PLL mode setting function clock pcc mode PCC register setting function No PRERR Checks protection error flag ret 9 Application Note U18242EJ1VOAN Clock generator PLL mode 2 2 PLL mode setting function PCC register setting function clock pcc mode clock pll mode PLLCTL 0x03 Sets CPU operation clock to PLL mode TCO 0 amp amp E00 1 INITO 1 TC1 0 amp amp E11 1 Checks DMAO transfer Forcibly terminates DMAO Checks DMAT transfer Forcibly terminates DMA1 TC2 0 amp amp E22 1 INIT2 1 TC3 0 amp amp E33 1 INIT3 1 PRCMD 0x00 Writes to command register PCC 0x00 Selects clock as fxx NOP instruction x 5 Inserts five NOP instructi2. China Tel 010 8235 1155 http www cn necel com NEC Electronics Shanghai Ltd Room 2511 2512 Bank of China Tower 200 Yincheng Road Central Pudong New Area Shanghai P R China P C 200120 Tel 021 5888 5400 http www cn necel com NEC Electronics Hong Kong Ltd 12 F Cityplaza 4 12 Taikoo Wan Road Hong Kong Tel 2886 9318 http www hk necel com NEC Electronics Taiwan Ltd 7F No 363 Fu Shing North Road Taipei Taiwan R O C Tel 02 8175 9600 http www tw necel com NEC Electronics Singapore Pte Ltd 238A Thomson Road 1112 08 Novena Square Singapore 307684 Tel 6253 8311 http www sg necel com NEC Electronics Korea Ltd 11F Samik Lavied or Bldg 720 2 Yeoksam Dong Kangnam Ku Seoul 135 080 Korea Tel 02 558 3737 http www kr necel com G06 11A Application Note U18242EJ1VOAN
3. IA3 V850E IAA V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions Timer P V850E IA3 V850E IAA V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions Timer Q V850E IA3 V850E IAA V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions Timer ENC V850E IA3 V850E IA4 U18236E U18237E U18238E U18239E U18240E Application Note U18241E Manual for Using Sample Program Functions Port Functions V850E IA3 V850E IAA V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions Clock Generator V850E IA3 V850E IAA V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions Standby Functions V850E IA3 V850E IAA V850ES IK1 V850ES IE2 Application Note This manual U18243E Manual for Using Sample Program Functions Interrupt Functions V850E IA3 V850E IA4 U18244E V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions A D Converters O and 1 V850E IA3 U18245E V850E IA4 V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions A D Converter 2 V850E IA3 V850E IA4 U18246E Application Note 5 Application Note U18242EJ1VOAN Clock generator CONTENTS PL MOE RS E ENE ER MN I A UL tcI LA OEE 7 Clock generator Elbek Mon Hor Mode EER e ee Ee E eat ety bee eee aust a do a am cans 11 6 Application Note U18242EJ1VOAN Clock
4. Renesas Electronics does not warrant that such information is error free Renesas Electronics assumes no liability whatsoever for any damages incurred by you resulting from errors in or omissions from the information included herein Renesas Electronics products are classified according to the following three quality grades Standard High Quality and Specific The recommended applications for each Renesas Electronics product depends on the product s quality grade as indicated below You must check the quality grade of each Renesas Electronics product before using it in a particular application You may not use any Renesas Electronics product for any application categorized as Specific without the prior written consent of Renesas Electronics Further you may not use any Renesas Electronics product for any application for which it is not intended without the prior written consent of Renesas Electronics Renesas Electronics shall not be in any way liable for any damages or losses incurred by you or third parties arising from the use of any Renesas Electronics product for an application categorized as Specific or for which the product is not intended where you have failed to obtain the prior written consent of Renesas Electronics The quality grade of each Renesas Electronics product is Standard unless otherwise expressly specified in a Renesas Electronics data sheets or data books etc Standard Computers office equipme
5. generator PLL mode Function Function name Argument Processing content Starting method SFR used call functions Variable Interrupt Interrupt source File name Caution Function name Processing content SFR used call function Variable File name Caution Sets the clock frequency by setting the CPU operation clock PLL mode and the PCC register which is a special register pll main None Calls the PLL setting function by stopping all DMAs in use None None clock pll mode clock pcc mode None None None clock generator1 c Note that if the pll main function is called the maskable interrupt request will not be enabled El clock pll mode Sets to PLL mode by the PLLCTL register PLLCTL 0x03 Sets to PLL mode None None clock generator1 c None 7 Application Note U18242EJ1VOAN Function name clock pcc mode Processing content Sets the PCC register by forcibly terminating DMA transfer SFRs used DCHCO TCO DMAO transfer status bit DCHCO E00 1 Enables DMAO transfer DCHCO INITO 1 Forcibly terminates DMAO transfer DCHC1 TC1 DMA1 transfer status bit DCHC1 E11 1 Enables DMA1 transfer DCHC1 INIT1 1 Forcibly terminates DMA1 transfer DCHC2 TC2 DMA2 transfer status bit DCHC2 E22 1 Enables DMA2 transfer DCHC2 INIT2 1 Forcibly terminates DMA2 transfer DCHC3 TC3 DMAS transfer status bit DCHC3 E33 1 Enables DMAS transfer DCHC3 INIT3
6. AS transfer status bit 1 Enables DMAS transfer 1 Forcibly terminates DMAS transfer 0x01 Writes to command register used when writing to a special register 0x01 Sets to operation enable clock generator2 c DMA transfer is forcibly terminated in this sample program because all DMA transfers must be terminated before performing data setting to the special register The CLM register is a special register and can therefore only be written in a combination of specific sequences 12 Application Note U18242EJ1VOAN Clock generator Clock monitor mode 1 2 e Disables maskable interrupt request Clock monitor mode setting clock monitor mode No PRERR Checks protection error flag Yes ret 13 Application Note U18242EJ1VOAN Clock monitor mode setting clock monitor mode No TCO 0 amp amp E00 1 INITO 1 TC1 0 amp amp E11 1 No Yes INIT1 1 No TC2 0 amp amp E22 Yes INIT2 1 No TC3 0 amp amp E33 Yes INIT3 1 PRCMD 0x01 Writes to command register CLM 0x01 Enables clock monitor operation NOP instruction x 5 Inserts five NOP instructions 14 Clock generator Clock monitor mode 2 2 Checks DMAO transfer Forcibly terminates DMAO Checks DMA transfer Forcibly terminates DMA1 Checks DMA2 transfer Forcibly terminates DMA2 Checks DMAS transfer Forcibly terminates DMA3 Applicati
7. To our customers Old Company Name in Catalogs and Other Documents On April 1 2010 NEC Electronics Corporation merged with Renesas Technology Corporation and Renesas Electronics Corporation took over all the business of both companies Therefore although the old company name remains in this document it is a valid Renesas Electronics document We appreciate your understanding Renesas Electronics website http www renesas com April 1 2010 Renesas Electronics Corporation Issued by Renesas Electronics Corporation http www renesas com Send any inquiries to http www renesas com inquiry 24 NEZ EAEz 8 10 11 12 Notice All information included in this document is current as of the date this document is issued Such information however is subject to change without any prior notice Before purchasing or using any Renesas Electronics products listed herein please confirm the latest product information with a Renesas Electronics sales office Also please pay regular and careful attention to additional and different information to be disclosed by Renesas Electronics such as that disclosed through our website Renesas Electronics does not assume any liability for infringement of patents copyrights or other intellectual property rights of third parties by or arising from the use of Renesas Electronics products or technical information described in this document No license express implied or otherwise is gran
8. ality assurance program for a specific application The recommended applications of an NEC Electronics product depend on its quality grade as indicated below Customers must check the quality grade of each NEC Electronics product before using it in a particular application Standard Computers office equipment communications equipment test and measurement equipment audio and visual equipment home electronic appliances machine tools personal electronic equipment and industrial robots Special Transportation equipment automobiles trains ships etc traffic control systems anti disaster systems anti crime systems safety equipment and medical equipment not specifically designed for life support Specific Aircraft aerospace equipment submersible repeaters nuclear reactor control systems life support systems and medical equipment for life support etc The quality grade of NEC Electronics products is Standard unless otherwise expressly specified in NEC Electronics data sheets or data books etc If customers wish to use NEC Electronics products in applications not intended by NEC Electronics they must contact an NEC Electronics sales representative in advance to determine NEC Electronics willingness to support a given application Note 1 NEC Electronics as used in this statement means NEC Electronics Corporation and also includes its majority owned subsidiaries 2 NEC Electronics products means any product de
9. e conditions Further Renesas Electronics products are not subject to radiation resistance design Please be sure to implement safety measures to guard them against the possibility of physical injury and injury or damage caused by fire in the event of the failure of a Renesas Electronics product such as safety design for hardware and software including but not limited to redundancy fire control and malfunction prevention appropriate treatment for aging degradation or any other appropriate measures Because the evaluation of microcomputer software alone is very difficult please evaluate the safety of the final products or system manufactured by you Please contact a Renesas Electronics sales office for details as to environmental matters such as the environmental compatibility of each Renesas Electronics product Please use Renesas Electronics products in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances including without limitation the EU RoHS Directive Renesas Electronics assumes no liability for damages or losses occurring as a result of your noncompliance with applicable laws and regulations This document may not be reproduced or duplicated in any form in whole or in part without prior written consent of Renesas Electronics Please contact a Renesas Electronics sales office if you have any questions regarding the information contained in this document or Renesas Electronics prod
10. e input level is fixed and also in the transition period when the input level passes through the area between Vi MAX and Vin MIN HANDLING OF UNUSED INPUT PINS Unconnected CMOS device inputs can be cause of malfunction If an input pin is unconnected it is possible that an internal input level may be generated due to noise etc causing malfunction CMOS devices behave differently than Bipolar or NMOS devices Input levels of CMOS devices must be fixed high or low by using pull up or pull down circuitry Each unused pin should be connected to Von or GND via a resistor if there is a possibility that it will be an output pin All handling related to unused pins must be judged separately for each device and according to related specifications governing the device PRECAUTION AGAINST ESD A strong electric field when exposed to a MOS device can cause destruction of the gate oxide and ultimately degrade the device operation Steps must be taken to stop generation of static electricity as much as possible and quickly dissipate it when it has occurred Environmental control must be adequate When it is dry a humidifier should be used It is recommended to avoid using insulators that easily build up static electricity Semiconductor devices must be stored and transported in an anti static container static shielding bag or conductive material All test and measurement tools including work benches and floors should be grounded The operator should be
11. grounded using a wrist strap Semiconductor devices must not be touched with bare hands Similar precautions need to be taken for PW boards with mounted semiconductor devices STATUS BEFORE INITIALIZATION Power on does not necessarily define the initial status of a MOS device Immediately after the power source is turned ON devices with reset functions have not yet been initialized Hence power on does not guarantee output pin levels VO settings or contents of registers A device is not initialized until the reset signal is received A reset operation must be executed immediately after power on for devices with reset functions POWER ON OFF SEQUENCE In the case of a device that uses different power supplies for the internal operation and external interface as a rule switch on the external power supply after switching on the internal power supply When switching the power supply off as a rule switch off the external power supply and then the internal power supply Use of the reverse power on off sequences may result in the application of an overvoltage to the internal elements of the device causing malfunction and degradation of internal elements due to the passage of an abnormal current The correct power on off sequence must be judged separately for each device and according to related specifications governing the device INPUT OF SIGNAL DURING POWER OFF STATE Do not input signals or an VO pull up power supply while the device is not powe
12. ion by eight fxx 32 to 64 MHz 4 to 8 MHz resonator connectable external clock input prohibited Fixed to multiplication by eight fxx 32 to 64 MHz 2 5 to 4 MHz resonator connectable external clock input prohibited Fixed to multiplication by eight fxx 20 to 32 MHz 2 5 MHz resonator connectable external clock input prohibited Fixed to multiplication by eight fxx 20 MHz clock synthesizer PLL operation specifiable by PLLSIN pin Remark fo System clock frequency 4 Application Note U18242EJ1VOAN Related Documents The related documents indicated in this publication may include preliminary versions However preliminary versions are not marked as such Documents related to V850E IA3 V850E IA4 V850ES IK1 and V850ES IE2 Inverter Control by V850 Series 120 Excitation Method Control by Zero Cross Detection U17209E Application Note Manual for Using Sample Program Functions Serial Communication UARTA U18233E V850E IA3 V850E IA4 V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions Serial Communication CSIB V850E IA3 U18234E V850E IA4 V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions DMA Functions V850E IA3 V850E IA4 U18235E Application Note Manual for Using Sample Program Functions Timer M V850E IA3 V850E IA4 V850ES IK1 V850ES IE2 Application Note Manual for Using Sample Program Functions Watchdog Timer V850E
13. lectronics products listed in this document or any other liability arising from the use of such products No license express implied or otherwise is granted under any patents copyrights or other intellectual property rights of NEC Electronics or others e Descriptions of circuits software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples The incorporation of these circuits software and information in the design of a customer s equipment shall be done under the full responsibility of the customer NEC Electronics assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits software and information e While NEC Electronics endeavors to enhance the quality reliability and safety of NEC Electronics products customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely To minimize risks of damage to property or injury including death to persons arising from defects in NEC Electronics products customers must incorporate sufficient safety measures in their design such as redundancy fire containment and anti failure features e NEC Electronics products are classified into the following three quality grades Standard Special and Specific The Specific quality grade applies only to NEC Electronics products developed based on a customer designated qu
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15. on Note U18242EJ1VOAN For further information please contact NEC Electronics Corporation 1753 Shimonumabe Nakahara ku Kawasaki Kanagawa 211 8668 Japan Tel 044 435 5111 http www necel com America NEC Electronics America Inc 2880 Scott Blvd Santa Clara CA 95050 2554 U S A Tel 408 588 6000 800 366 9782 http www am necel com Europe NEC Electronics Europe GmbH Arcadiastrasse 10 40472 Dusseldorf Germany Tel 0211 65030 http www eu necel com Hanover Office Podbielskistrasse 166 B 30177 Hannover Tel 0 511 33 40 2 0 Munich Office Werner Eckert Strasse 9 81829 M nchen Tel 0 89 92 10 03 0 Stuttgart Office Industriestrasse 3 70565 Stuttgart Tel O 711 99 01 0 0 United Kingdom Branch Cygnus House Sunrise Parkway Linford Wood Milton Keynes MK14 6NP U K Tel 01908 691 133 Succursale Francaise 9 rue Paul Dautier B P 52 78142 Velizy Villacoublay C dex France Tel 01 3067 5800 Sucursal en Espana Juan Esplandiu 15 28007 Madrid Spain Tel 091 504 2787 Tyskland Filial Taby Centrum Entrance S 7th floor 18322 Taby Sweden Tel 08 638 72 00 Filiale Italiana Via Fabio Filzi 25 A 20124 Milano Italy Tel 02 667541 Branch The Netherlands Steijgerweg 6 5616 HS Eindhoven The Netherlands Tel 040 265 40 10 15 Asia amp Oceania NEC Electronics China Co Ltd 7th Floor Quantum Plaza No 27 ZhiChunLu Haidian District Beijing 100083 PR
16. ons Checks DMA2 transfer Forcibly terminates DMA2 Checks DMAS transfer Forcibly terminates DMA3 10 Application Note U18242EJ1VOAN Clock generator Clock monitor mode Function Performs clock monitor operation Function name clock monitor main Argument None Processing content Enables operation of the clock monitor mode by calling the clock monitor mode function Starting method None SFR used None call function clock monitor mode Variable None Interrupt None Interrupt source None File name clock generator2 c Caution Note that if the clock monitor main function is called the maskable interrupt request will not be enabled El 11 Application Note U18242EJ1VOAN Function name Processing content SFRs used call function Variable File name Cautions clock monitor mode Sets the operation mode of the clock monitor via the CLM register by forcibly terminating DMA transfer DCHCO TCO DCHCO E00 DCHCO INITO DCHC1 TC1 DCHC1 E11 DCHC1 INIT1 DCHC2 TC2 DCHC2 E22 DCHC2 INIT2 DCHC3 TC3 DCHC3 E33 DCHC3 INIT3 PRCMD CLM None None DMAO transfer status bit 1 Enables DMAO transfer 1 Forcibly terminates DMAO transfer DMA1 transfer status bit 1 Enables DMA1 transfer 1 Forcibly terminates DMA1 transfer DMA2 transfer status bit 1 Enables DMA2 transfer 1 Forcibly terminates DMA2 transfer DM
17. red The current injection that results from input of such a signal or VO pull up power supply may cause malfunction and the abnormal current that passes in the device at this time may cause degradation of internal elements Input of signals during the power off state must be judged separately for each device and according to related specifications governing the device 2 Application Note U18242EJ1VOAN These commodities technology or software must be exported in accordance with the export administration regulations of the exporting country Diversion contrary to the law of that country is prohibited e The information in this document is current as of July 2006 The information is subject to change without notice For actual design in refer to the latest publications of NEC Electronics data sheets or data books etc for the most up to date specifications of NEC Electronics products Not all products and or types are available in every country Please check with an NEC Electronics sales representative for availability and additional information e No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Electronics NEC Electronics assumes no responsibility for any errors that may appear in this document e NEC Electronics does not assume any liability for infringement of patents copyrights or other intellectual property rights of third parties by or arising from the use of NEC E
18. ted hereby under any patents copyrights or other intellectual property rights of Renesas Electronics or others You should not alter modify copy or otherwise misappropriate any Renesas Electronics product whether in whole or in part Descriptions of circuits software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples You are fully responsible for the incorporation of these circuits software and information in the design of your equipment Renesas Electronics assumes no responsibility for any losses incurred by you or third parties arising from the use of these circuits software or information When exporting the products or technology described in this document you should comply with the applicable export control laws and regulations and follow the procedures required by such laws and regulations You should not use Renesas Electronics products or the technology described in this document for any purpose relating to military applications or use by the military including but not limited to the development of weapons of mass destruction Renesas Electronics products and technology may not be used for or incorporated into any products or systems whose manufacture use or sale is prohibited under any applicable domestic or foreign laws or regulations Renesas Electronics has used reasonable care in preparing the information included in this document but
19. ucts or if you have any other inquiries Note 1 Renesas Electronics as used in this document means Renesas Electronics Corporation and also includes its majority owned subsidiaries Note 2 Renesas Electronics product s means any product developed or manufactured by or for Renesas Electronics tENESAS Manual for Using Sample Program Functions Clock Generator V850E IA3 V850E IA4 V850ES IK1 V850ES IE2 This manual explains the sample program functions of the clock generator for the V850E IA4 microcontroller The explanations are based on usage with the V850E IA4 microcontroller Refer to this manual when using the V850E IA3 V850ES IK1 and V850ES IE2 microcontrollers Caution This sample program is provided for reference purposes only and operations are therefore not subject to guarantee by NEC Electronics Corporation When using this sample program customers are kindly advised to sufficiently evaluate this product based on their system before usage Document No U18242EJ1VOANOO 1st edition Date Published November 2006 N CP K NEC Electronics Corporation 2006 NOTES FOR CMOS DEVICES VOLTAGE APPLICATION WAVEFORM AT INPUT PIN Waveform distortion due to input noise or a reflected wave may cause malfunction If the input of the CMOS device stays in the area between Vi MAX and Vin MIN due to noise etc the device may malfunction Take care to prevent chattering noise from entering the device when th
20. veloped or manufactured by or for NEC Electronics as defined above M8E 02 11 1 3 Application Note U18242EJ1VOAN INTRODUCTION Cautions 1 Download the program used in this manual from the NEC Electronics Website http www necel com 2 When using this sample program reference the following startup file and link directive file and adjust them if as necessary A4_start s A4_link dir e Startup file e Link directive file Conventions The function lists are structured as follows Hardware name Function Function description Function name Name of sample function Argument Type and overview of argument Processing content Starting method SFR s used call function s Variable s Interrupt s Interrupt source s File name Caution s Processing content of sample function Conditions for calling a function Register name and setting content Name and function of call function s Type name and overview of variable s used in sample function Name of function Name Name of corresponding sample program file Caution s upon function usage The differences between the V850E IA4 and the V850E IA3 V850ES IK1 and V850ES IE2 related to the clock generator are shown below V850E IA4 V850E IA3 V850ES IK1 V850ES IE2 Product Differences Resonator Multiplication function by PLL 4 to 8 MHz resonator connectable external clock input prohibited Fixed to multiplicat
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