Renesas Starter Kit for SH7086 User`s Manual
Contents
1. SW2 swa RES O O Potentiometer SWITCHES LEDs User 4 LEDS Power Green 1Green 1Orange 2Req Boot Orange Figure 5 1 Block Diagram Figure 5 2 shows the connections to the RS K USB Cable Host PC E10A Module User Interface Cable 10 19 9 o 0 ceu sere Figure 5 2 RSK Connections Chapter 6 User 6 1 Switches There are four switches located on the CPU board The function of each switch and its connection are shown in Table 6 1 Switch Functions When pressed the CPU board microcontroller 15 reset RESn Pin 132 SW1 BOOT Connects to an IRQ input for user controls IRQO Pin 63 Port A bit 26 W2 Connects to an IRQ line for user controls IRQ1 65 SW3 Connects to an IRQ line for user controls Same pin functions as ADC 07 Pin 50 Table 6 1 Switch Functions R efer to schematic for detailed connectivity information 6 2 LEDS There are six LEDs on the CPU board The green POWER LED lights when the board is powered The orange BOOT LED indicates the device is in BOOT mode when lit The four user LEDs are connected to an IO port and will light when their corresponding port pin is set low The LED pin references and their corresponding microcontroller port pin connections are shown in Table 6 2 LED Port LED Reference As Microcontroller Port Pin Microcontroller Pin Polarity2. qe PS n CO N Pin DLCD5 45 IRQ2 DLCD6 IRQ3 DLCD7 47 VCC PINTO PA NC IRQ7 ADTRGn WRHn ASEMDOn 29 WRLn WRn RDn 30 18 32 50 A19 TCLKD A20 TCLKC GND UD A21 36 CS2n A22 M1 Up M1 TRISTn 38 M1 Un PING 39 DACK1 PIN62 PIN84 41 DREQ1 GND 42 GND IRQ1 6 PIN87 c wla ww Table 9 2 J 2 microcontroller header Circuit Net Name Device E Circuit Net Name Device Circuit Net Name DevicePin Pin Circuit Net Name 05 c 11 EM EN EN EN ve e a mm NN e m wm a m _ ow 1 aj x _ 8 MM o v w e w __ m a we m v m e vw 1 a __ m aj Table 9 3 J 3 microcontroller header 136 ANT 158 GND 41 GND 163 14 AN9 46 VCC 168 TRSTn M2Up 174 TDI TXD2 175 PIN154 TDO M2Un 176 Table 9 4 J 4 microcontroller header 9 2 Application Headers Standard application header connections are detailed in this section marks pins where a link to the microcontroller pin is via a fitted OR link Header Name CPU board Device Pin Header Name CPU board Device Pin Signal Name Name M wa i C eL ow ejo or cow m e 62 elme as mw ejo wa a _ Pe frome roson w as we ajm ajo or Table 9 5 J A1 Standard Generic Header Header
3. No connection Ground No Connection m 8 R W Wired to Write only mn aM No Connection G nemam memes mow 6 e Table 6 4 LCD Module Connections 6 6 Option Links The function of the option links contained on this CPU board are listed in Table 6 5 Serial configuration links The default configuration is indicated by BOLD text Option Link Settings Reference Function Alternative Removed Related To R20 Serial Port Connects programming port Disconnects programming port Rx from R22 R34 R22 Serial Port Connects programming port Disconnects programming port Tx from R20 R34 R31 Serial Port Connects Alternate serial CH2 to Disconnects Alternate serial from D R49 R56 D connector connector R57 R33 Serial Port Disables RS 232 Serial Enables RS232 Serial R34 Serial Port Connects programming port Disconnects programming port Rx to R43 R20 to external serial connectors external serial connectors R22 R43 Serial Port Connects programming port Tx Disconnects programming port Tx to R34 R20 to external connectors not E 8 external serial connectors R22 Serial Port Routes RS 232 serial port Rx to Disconnects RS232 serial port Rx from R53 application connector J R47 Serial Port Connects serial port RXDO to Disconnects serial port from R54 SERIAL D type connector Serial Port Connects Alte
4. circuit This provides an easy method for swapping the device between Boot Mode and User mode This circuit is not required on customers boards as it is intended for providing easy evaluation of the operating modes of the device on the RSK Please refer to the hardware manual for more information on the requirements of the reset circuit The reset circuit operates by latching the state of the boot switch SW1 on pressing the reset button This control is subsequently used to modify a port pin state to select which code is executed The reset 5 held in the active state for a fixed period by a pair of resistors and a capacitor Please check the reset requirements carefully to ensure the reset circuit on the user s board meets all the reset timing requirements Chapter 7 Modes The CPU board can be configured in User mode and Boot mode User mode may be used to run and debug user code while Boot mode may only be used to program the Renesas microcontroller with program code the SCI1 interface Further details of programming the flash are avallable in the SH7086 device hardware manual The CPU board provides the capability of changing between User and Boot User Boot modes using a simple latch circuit This is only to provide a simple mode control on this board when the E10A debugger is notin use To manually enter boot mode press and hold the SW1 BOOT The mode pins are held in their boot states while reset is pressed and release
5. A USB Emulator User s Manual 23 10 4 Memory Map The memory map shown in this section visually describes the locations of the each memory areas when operating the RSK in the default mode Mode 6 On chip ROM enabled mode H 00000000 On chip ROM 512 kbytes H 0007FFFF H 00080000 Reserved area H 01FFFFFF H 02000000 CS0 space H 03FFFFFF H 04000000 CS1 space H 07FFFFFF H 08000000 2 space H 0C000000 3 space H OFFFFFFF H 10000000 CS4 space H 13FFFFFF H 14000000 CS5 space H 17FFFFFF H 18000000 56 space H 1 BFFFFFF H 1C000000 CS7 space H 20000000 Reserved area H 40000000 8 space H 7FFFFFFF H 80000000 Reserved area H FFF7FFFF H FFF80000 SDRAM mode setting space H FFF9FFFF H FFFAOOOO Reserved area H FFFF4000 On chip RAM 32 kbytes H FFFFBFFF H FFFFC000 On chip peripheral I O registers H FFFFFFFF Figure 10 1 Memory Map 24 Chapter 11 Component Placement P c eV dde gt D R4 R8 Leo R7 R6 LEDB RS 8007 C2 lo R20 R 8 RIS R15 R14 R13 826 825 mar C7 C6 C5 830 C R28 R28 R27 25 R36 35 R34 833 CB CP R40 Fl C _ R38 R38 RS 4 1 5 vi LLL L RS n 25118421 N D RES oo Al I R R52 CN E RE 5 5 4 D 14 EE k X S
6. Converter USB Universal Serial Bus CPU Central Processing Unit DAC Digital to Analog Converter DMA Direct Memory Access E10A E10A for Starter Kit debugger FDT Flash Development Tool RSK Renesas Starter Kit LED Light Emitting Diode LCD Liquid Crystal Display Chapter 2 Purpose This RSK is an evaluation tool for Renesas microcontrollers Features include e Renesas Microcontroller Programming e UserCode Debugging e User Circuitry such as switches LEDs and potentiometer s e Sample Application e Sample peripheral device initialisation code The CPU board contains all the circuitry required for microcontroller operation This manual describes the technical details of the RSK hardware The Quick Start Guide and Tutorial Manual provide details of the software installation and debugging environment Chapter 3 Power Supply 3 1 Requirements This CPU board operates from a 5V power supply supplied A diode provides reverse polarity protection only if a current limiting power supply is used CPU boards have an optional centre positive supply connector using a 2 0mm barrel power jack Warning The CPU board is neither under not over voltage protected Use a centre positive supply for this board 3 2 Power Up Behaviour When the RSK is purchased the CPU board has the Release or stand alone code from the example tutorial code pre programmed into the Renesas microcontroller On powering the board the user LEDs will start
7. E AJ 4 R58 LJ gt mi e an e EL al 8 e unco LE CE J ED Mi Y N C21 RBS F c23 ls 208 A lt Eg R amp B8 C27 5 a sl T s EN dic La JO SIRAS gt 1 2 Go E Figure 11 1 Component Placement Top Layer 25 Chapter 12 Additional Information For details on how to use High performance Embedded Workshop HEW refer to the HEW manual available on the CD or installed in the Manual Navigator For information about the 5 7086 microcontrollers refer to the SH7080 Group Hardware Manual For information about SH7086 assembly language refer to the SH 1 SH 2 SH DSP Software Manual For information about the E10A Emulator please refer to the SH Family E10A USB Emulator User s Manual Online technical support and information is available at htto www renesas com renesas starter kits Technical Contact Details America techsupportrta renesas com Europe _ tools support eu renesas com Japan cscQrenesas com General information on Renesas Microcontrollers can be found on the Renesas website at http www renesas com 26 Renesas Starter Kit for SH7086 User s Manual Publication Date Rev 1 00 17 Jan 2008 Published by Renesas Technology Europe Lid Duke s Meadow Millboard Road Bourn
8. M ene eee Pee eee 13 CE HE an a a 13 Ghapter 6 Prograrniaing Methods y ua gQ postu ua UTR net Sa a 14 ohapter 9 Headers uy a u aw a naar ina 15 93 Microcontroller TICAG ENS katakana umu _______ _ ____ 15 9 2 ApplICallor HeadefS castos a a a A 19 Ghapter Gode DEVEIODMEN 23 ONOI Em 23 JO GOMPIENM ESUICUONS eek 23 10 3 Breakpoint SUPPO 23 STIG IY u u uuu ul tetti a ar 24 Ghapter 11 Component PlACEMENL mu a alla 25 Chapter 12 Additional Monna oN puni a a _ _____ banata i tla te asas 26 Chapter 1 Preface Cautions This document may be wholly or partially subjectto change without notice All rights reserved No one is permitted to reproduce or duplicate in any form part or this entire document without the written permission of Renesas Technology Europe Limited Trademarks All brand or product names used in this manual are trademarks or registered trademarks of their respective companies or organisations Copyright O Renesas Technology Europe Ltd 2008 All rights reserved Renesas Technology Corporation 2008 All rights reserved O Renesas Solutions Corporation 2008 All rights reserved Website http www renesas com Glossary ADC Analog to Digital
9. Name CPU board Device Pin Header Name CPU board Device Pin Signal Name Signal Name wa wow m wm ww 5 _ uo w n mms mem 8 jaws m ea sj mu a m ea _ Table 9 6 J A2 Standard Generic Header 20 Header Name CPU board Device Pin Header Name CPU board Device Pin Signal Name Signal Name L1 Address Bus Rendre WRT gt 20 a alam 5 ___ o Jame _ momen __ aji ___ ou o ame x uje a J mi MO mi CI CO GJ N OO LI A Oca gt el gt gt gt Oo N OO O Ww FN wo fess 0 a vass o wu w men T _ Table 9 7 J A3 Standard Generic Header Data Bus Strobe JI O 21 Header Name CPU board Device Pin Header Name CPU board Device Pin Signal Name Signal Name y as sea eme ema ____ afem ems 1 Table 9 8 J 5 Standard Generic Header Header Name CPU board Device Pin Header Name CPU board Device Pin Signal Name Signal Name ijo wm B em _ m
10. 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 hitp 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 LENESAS 9 10 11 12 Notice information included in this document is current as of the date this document 15 issued Such information however 15 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 1n this document No license express implied or otherwise is grante
11. a ww wes _ wm s Bem _ mm _ um mee asm wm eleme _ sux c xw memes seo m mme _ afse se ma _ Table 9 9 J A6 Standard Generic Header 22 Chapter 10 Code Development 10 1 Overview Note For all code debugging using Renesas software tools the CPU board must either be connected to PC serial port a serial cable ora PC USB port via an EINA Due to the continuous process of improvements undertaken by Renesas the user is recommended to review the information provided on the Renesas website atwww renesas com to check for the latest updates to the Compiler and Debugger manuals 10 2 Compiler Restrictions The compiler supplied with this RS K is fully functional for a period of 60 days from first use After the first 60 days of use have expired the compiler will default to a maximum of 256k code and data To use the compiler with programs greater than this size you will need to purchase the full tools from your distributor Warning The protection software for the compiler will detect changes to the system clock Changes to the system clock back time may cause the trial period to expire prematurely 10 3 Breakpoint Support This RSK is supplied with E10A emulator which supports breakpoints in For more details on breakpoints amp E10A functions please refer to SuperH Family E10
12. d Release the boot button The BOOT LED will be illuminated to indicate that the microcontroller is in boot mode More information on the operating modes can be found in the device hardware manual 7 1 1 Boot mode The boot mode settings for this CPU board are shown in Table 7 1 below LSI State after Reset End nfo o Table 7 1 Mode pin settings 7 1 2 User Mode The SH7086 supports various user modes The defaultuser mode for the RSKSH7086 is mode 6 LSI State after Reset End ho p ume _ Table 7 2 Mode pin settings Chapter 8 Programming Methods The board is intended for use with HEW and the supplied E10A debugger only Please referto SH7080 Group Hardware Manual for details of the programming methods using on chip serial port 5 and without using E10A debugger Chapter 9 Headers 9 1 Microcontroller Headers The microcontroller pin headers and their corresponding microcontroller connections are detailed in this section The header pins connect directly to the microcontroller pin unless otherwise stated marks pins where a link to the microcontroller pin 15 via a fitted OR link Device Pin LINE NI wo 8 5 5 JR MU 2 0 l0 NJN AL NJN p A12 NEN A13 NEN AM NEN A15 3 Ea o o iN NEN Oo NINN NEN DTENDI Table 9 1 J 1 microcontroller header Pin 6 ES ES ES C C CO CO
13. d 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 1n 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 1n 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 1s prohibited under any applicable domestic or foreign laws or regulations Renesas Electronics has used reasonable care 1n preparing the information included in this document but R
14. e End Buckinghamshire SL8 5FH United Kingdom 02008 Renesas Technology Europe and Renesas Solutions Corp All Rights Reserved Renesas Starter Kit for SH7086 User s Manual LENESAS Renesas Electronics Corporation 1753 Shimonumabe Nakahara ku Kawasaki shi Kanagawa 211 8668 Japan REG10J0118 0100
15. elect Connects PIN 1to TCK on E10A Disconnects PIN 1 from TCK R45 eS UN R6 Pin function select Connects PIN 143 to ANO on A1 Disconnects PIN 143 from ANO R65 Table 6 8 Pin function configuration links Table 6 9 Clock configuration links below describes the function of the option links associated with Clock configuration The default configuration 15 indicated by BOLD text Option Link Settings Clock Oscillator Connects external clock to MCU Disconnects external clock connection R77 R76 to MCU Clock Oscillator Connects on board clock to External Clock Source can be connected R74 R77 Clock Oscillator Connects external clock to MCU Disconnects external clock connection R74 R76 to MCU Table 6 9 Clock configuration links Clock Oscillator Parallel resistor for crystal 77 6 7 Oscillator Sources A crystal oscillator is fitted on the CPU board and used to supply the main clock input to the Renesas microcontroller The oscillators that are fitted and alternative footprints provided on this CPU board are detailed in Table 6 10 Oscillators Resonators Crystal X1 10MHz HC49 4H package Table 6 10 Oscillators Resonators Warning When replacing the default oscillator with that of another frequency the debugging monitor will not function unless the following are corrected 6 8 Reset Circuit The CPU Board includes a simple latch circuit that links the mode selection and reset
16. enesas Electronics does not warrant that such information 1s 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 1t 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 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 1n a Renesas Electronics data sheets or data books etc Standard Computers office e
17. ics products 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 o lt Q Q Renesas Starter Kit for SH7086 Users Manual RENESAS SINGLE CHIP MICROCOMPUTER SuperH MRISC engine Renesas Electronics Rev 1 00 2008 01 WWW renesas com Table of Contents a EE 1 Gap UOS tua 2 Chapter S ROwWSr SUPPI 3 ON Isle Wie e ETT a 3 9 2 OWE UD SB ON AVIOUN on Q a ukuy KR a IG No Laa anna 3 Ghiapter4 aa aa 4 4 1 GOMPONENILAVOUE ner o e a e E 4 1 2 BOA TETTE _______________ 5 Chapters BIOCK Basa usa ae 6 GAS ae a 7 Ole OWIES Es mM 7 o EDS uuu EE es 7 6 5 geilen a ass 7 BA Se AI AA Aa ma wa 8 65 8 c E 8 D CHR E Dua hiQus ha 9 tel u ECT 12 spinis e lg 12 GRO SAMS sana a amakata asan 13 Fels sn a M LE EE
18. quipment communications equipment test and measurement equipment audio and visual equipment home electronic appliances machine tools personal electronic equipment and industrial robots High Quality 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 medical equipment or systems for life support e g artificial life support devices or systems surgical implantations or healthcare intervention e g excision etc and any other applications or purposes that pose a direct threat to human life You should use the Renesas Electronics products described in this document within the range specified by Renesas Electronics especially with respect to the maximum rating operating supply voltage range movement power voltage range heat radiation characteristics installation and other product characteristics Renesas Electronics shall have no liability for malfunctions or damages arising out of the use of Renesas Electronics products beyond such specified ranges Although Renesas Electronics endeavors to improve the quality and reliability of its products semiconductor products have specific characteristics such as the occurrence of failure at a certain rate and malfunctions under ce
19. rnate serial CH2 to Disconnects Alternate serial from D R31 R56 D connector connector R57 R53 Serial Port Routes RS232 serial port Tx to Disconnects RS232 serial port Tx from application connector J A6 R54 Serial Port Connects serial port TXDO to Disconnects serial port TXDO from R47 SERIAL D type connector R56 Serial Port Connects Alternate serial CH2 to Disconnects Alternate serial from D R57 R31 D connector connector R49 R57 Serial Port Connects Alternate serial CH2 to Disconnects Alternate serial from D R56 R31 D connector connector R49 Table 6 5 Serial configuration links Table 6 6 Power configuration links below describes the function of the option links associated with Power configuration The default configuration 15 indicated by B OLD text Option Link Settings Reference Function Fd Altemative Removed Related To Power Source Board can be powered from Disconnects the supply from PWR R25 R35 R25 Power Source Connects regulated 5V voltage Disconnects regulated 5V voltage R4 R35 R26 Power Connect Board VCC to Disconnect Board VCC from CON 5V R4 R25 R35 Power Source Connects regulated 3 3V Disconnects regulated 3 3V voltage R4 R25 R36 Power Supply Connects CON VREF Disconnects CON VREF from R4 R25 Microcontroller Supply power to Fit Low ohm resistor to measure current Table 6 6 Power configuration links Table 6 7 Analog configuration links below describes the func
20. rtain use 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 Electron
21. shown on silkscreen function Number LEDO Port A bit 20 Active Low LED1 PortA bit 21 66 Active Low LED2 PortA bit 22 Active Low LED3 Port A bit 23 Active Low Table 6 2 LED Port 6 3 Potentiometer A single turn potentiometer is connected to pin AN0 of the microcontroller This may be used to vary the input analog voltage value to this pin between AVCC and Ground 6 4 Serial port The microcontroller programming serial port S CI1 is connected to the E8 connector This serial port can optionally be connected to the 5 232 transceiver by fitting option resistors and the D connector in position SERIAL The connections to be fitted are listed in Table 6 3 Serial Options Links Description Remove for E8a Remove for 232 Table 6 3 Serial Options Links The board is designed to accept a straight through RS232 cable 6 5 LCD Module The LCD module supplied with the RSK can be connected to the connector LCD for use with the tutorial code Any module that conforms to the pin connections and has a KS0066u compatible controller can be used The LCD module uses a 4 bit interface to reduce the pin allocation No contrast control is provided this must be set on the display module The pin allocation and signal names used on this connector are shown in Table 6 4 LCD Module Connections The module supplied with the CPU board only supports 5V operation LCD Circuit Net Name bg Circuit Net Name Device s t DLCDRS
22. tion of the option links associated with Analog configuration The default configuration is indicated by BOLD text Option Link Settings Reference Function a ___ Voltage Reference Connects pin 161 to CON VREF Disconnects pin 161 from CON VREF R42 Gs sss R42 Voltage Reference Board_VCC supplies voltageto Disconnects Board_VCC from pin 161 R58 Analog Voltage Links analog ground to digital Isolates analog ground from digital R63 R64 R63 Analog Voltage Connects Board VCC to AVCC Disconnects Board VCC from AVCC R64 R58 Analog Voltage Connects AVCC pins pin 151 and Disconnects AVCC pins pin 151 and R63 R58 Table 6 7 Analog configuration links The function of the option links associated with Pin function configuration are listed in Table 6 8 Pin function configuration links The default configuration is indicated by BOLD text Option Link Settings S EM P To R23 Pin function select Connects PIN 175 to TDI on E10A Disconnects PIN 175 from TDI R50 R27 function select Connects PIN 172 to TMS on E10A Disconnects PIN 172 from TMS R78 RR s R28 function select Connects PIN 2 to ASEBRKn Disconnects PIN 2 from ASEBRKn R84 T ie Ao R29 Pin function select Connects PIN 176 to TDO on E10A Disconnects PIN 176 from TDO R81 R37 Pin function select Connects PIN 174 to TRSTn on E10A Disconnects PIN 174 from TRSTn R83 a s s s R41 Pin function s
23. to flash Pressing any switch will cause the LEDs to flash ata rate controlled by the potentiometer Chapter 4 Board Layout 4 1 Component Layout The following diagram shows top layer component layout of the board Application Board Reset Switch BUS Interface Interface RS232 Serial LCD Display Power Power LED E8 Header Microcontroller Pin Headers User LEDs E10A Header Boot LED Potentiometer CUN Application Board User Switches Interface Figure 4 1 Board Layout 4 2 Board Dimensions The following diagram gives the board dimensions and connector positions Allthrough hole connectors are on a common 0 1 grid for easy interfacing 120 00mm la p 115 00mm 4 gt 86 36mm p Short Board 85 mm lt gt 50 80 4 43 18 3mm radius 35 56 mm 27 00mm 8 lt 2 8 o 8 5 i e LO Y 8 m 45 00mm lu E Y eo T e LO Figure 4 2 Board Dimensions Chapter 5 Block Diagram Figure 5 1 shows the CPU board components and their connectivity Power Jack Option Headers Boot mode pins Boot Circuitry Headers Microcontroller RESET pin D type Debug Header Option latch IRQ pin IRQ pi Serial Connector Option ADC Input E
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