ANTI-PINCH WINDOW LIFT CONTROL MODULE USER'S GUIDE
Contents
1. Sync character OK MESSAGE_COUNTER ID Byte Ok MESSAGE_COUNTER number of data bytes Transmit Data Receive gt Yes MESSAGE COUNTER Update Baud Rate 10 Generator 12 MESSAGE_COUNTER A 12 Yes Calculate ID Calculate T i i gt gt Transmit First Parity Bits gt Checksum Data Byte Setup Data Clear Kr Data Buffer ERROR_BYTE Put Data Into Decrement Receive Buffer MESSAGE_COUNTER OK ID Parity Bits Set ID ERROR Bit No Set Checksum ERROR Bit MESSAGE_COUNTER 12 DS51604A page 14 2006 Microchip Technology Inc Window Lift Control Module Software 3 2 3 LIN Description File Information Example 3 1 is an excerpt of a LDF file defining this module Note The ID 5 DOWN databyte1 bit 0 UP databyte1 bit 1 and the remaining bits of databyte1 and all of databyte2 are not used EXAMPLE 3 1 LDF FILE EXAMPLE LIN description file LIN protocol version 2 00 LIN language version 2 00 LIN speed 10 40 kbps Nodes Master Master 10 ms 0 10 ms Slaves Slavel Signals UP 1 0 Master Slavel DOWN 1 0 Master Slavel Frames Window 5 Master 2 DOWN 0 UP I3 Node_attributes Slavel LIN protocol 2 0 configured NAD 127 product_id 32767 65532. MICROCHIP ANTI PINCH WINDOW LIFT CONTROL MODULE USER S GUIDE 2006 Microchip Technology Inc Note the following details of the code protection feature on Microchip devices Microchip products meet the specification contained in their particular Microchip Data Sheet Microchip believes that its family of products is one of the most secure families of its kind on the market today when used in the intended manner and under normal conditions There are dishonest and possibly illegal methods used to breach the code protection feature All of these methods to our knowledge require using the Microchip products in a manner outside the operating specifications contained in Microchip s Data Sheets Most likely the person doing so is engaged in theft of intellectual property Microchip is willing to work with the customer who is concerned about the integrity of their code Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code Code protection does not mean that we are guaranteeing the product as unbreakable Code protection is constantly evolving We at Microchip are committed to continuously improving the code protection features of our products Attempts to break Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or other copyrighted work you may have a right to sue for
3. 3 2 1 MODULE OVERVIEW The code presented in this user s guide is composed of the following basic modules TABLE 3 1 File Description WindowLift20 asm Main program UART688i inc EAUSART variables and constants UART688i asm LIN protocol handler ID table inc LIN Identifier information tables WindowLift20 asm contains a loop that reads the direction requests from the switches and from slave LIN message frames see Figure 3 1 Window DOWN requests either from the switch or from a LIN command are directed to the motor outputs without qualification Window UP requests are passed to the motor while monitoring the drawn current There is an initial in rush spike when the motor is first turned ON This spike is monitored and once the current falls below a pre determined threshold the anti pinch detection is armed Any increase in current over the threshold will cause the motor to reverse for 500 mS and stop This sequence is repeated as long as there is a pending DOWN request Some refinements that could be added to the firmware are e Better in rush spike detection e Current threshold averaging for motor and transmission aging This would also yield closer threshold anti pinch tolerance e Filtering the motor current ripple to measure motor speed and travel e Express UP DOWN commands from the switches e Anti pinch override UP button held down 2006 Microchip Technology Inc DS51604A page 11
4. DS 028 o 2 1 The board may be re programmed through JP1 with a Microchip PICkit 2 Development Programmer not included FIGURE 1 3 PROGRAMMING BY PICkit 2 PROGRAMMER VIA JP1 00 MICROCHIP RI R2 CI K1 A O 02 Q 1 1 K2 E1 U1 2 A el JO cse R37 NR c E I JE A 41 E DS 0258 01892 2 1 J2 mm 5 DS51604A page 6 2006 Microchip Technology Inc ANTI PINCH WINDOW LIFT CONTROL MICROCHIP MODULE USER S GUIDE Chapter 2 Window Lift Control Module Hardware 2 1 INTRODUCTION The Anti Pinch Window Lift Control module is implemented using a Microchip generic LIN Actuator and DC Servo board Hard wired switch inputs as well as LIN command s can be used to control the two output relays This module consists of a microcontroller power supply relays with their associated drivers input conditioning circuits and network physical interface FIGURE 2 1 LIN ACTUATOR DC SERVO Motor Current Feedback Relays m Motor gt Motor Position Feedback H Bridge Microcontroller Aux Input Digital or Analog IN recton snid Digital IN Bus N k irection Switch Inputs Digital IN Transceiver gt Networl Board 2 2 HARDWARE 2 2 1 Inputs The CW Clockwise and CCW Counterclockwise inputs from connector J2 see Figure 2 3 can be routed either to the microcontroller or directly to the motor relay d
5. Anti Pinch Window Lift Control Module User s Guide FIGURE 3 1 ANTI PINCH CONTROL FLOWCHART Main Y Initialization Y Setup EAUSART Y Setup Interrupts LIN State Machine Idle Yes o N Up Command Yes Read Switch A Inputs Down Switch Pushed Motor Down 4 Up Switched Pushed Yes Motor Up eq Motor No LIN Command Motor Up 0 Starting Stalled P Stop Motor Reverse Motor for 500 ms Stop Motor gt Set Window ec Status Run DS51604A page 12 2006 Microchip Technology Inc Window Lift Control Module Software 3 2 2 LIN Protocol Handler The LIN Handler routine is outlined in Figure 3 2 This code constitutes a LIN 2 0 compatible slave interface The status of the state machine is based on the MESSAGE_COUNTER value and is serial port interrupt driven Break characters are detected and validated for length e Sync characters are checked to content 0x55 and speed auto baud overflow The identifier byte is passed through an ID look up table and checked for validity for this slave message length is extracted and whether this message data field is supplied or to be consumed If the Break or Sync characters cause an error or the identifier is not listed in the table the state machine is reset and returns to waiting for
6. MODULE USER S GUIDE Table of Contents PHOT ACC E 1 INtrOGUCTION EE 1 Re Enge LYON 1 Conventions Used in this Guide occccccccccncccncncnncnnnnnnnnnnnnnnnnnnnnnnnnnnnoninenineninos 2 Recommended Reddit Su tend ad ae We s 3 The Microchip Web EE 3 Customer Support EE 3 Chapter 1 Getting Started Guick Setup ISIO HUO EE 5 A O E E E 5 EOBD E 5 Chapter 2 Window Lift Control Module Hardware 2 1 Introduction WASAKA AA AAA AA MO PA WA KAB ASA SIE SSB TA PAWA 7 AHA TEE 7 EEN Ee 10 Chapter 3 Window Lift Control Module Software bal tee let el DEE 11 3 2 OM Wa EE 11 Worldwide Sales and Service ccccsssssseeesssseeesseeeeeeesseeseeeeeesseesseseeesseeeeeesesesenoaoaaoes 16 2006 Microchip Technology Inc DS51604A page iii Anti Pinch Window Lift Control Module User s Guide NOTES DS51604A page iv 2006 Microchip Technology Inc ANTI PINCH WINDOW MICROCHIP LIFT CONTROL MODULE Preface NOTICE TO CUSTOMERS All documentation becomes dated and this manual is no exception Microchip tools and documentation are constantly evolving to meet customer needs so some actual dialogs and or tool descriptions may differ from those in this document Please refer to our web site www microchip com to obtain the latest documentation available Documents are identified with a DS number This number is located on the bottom of each page in front of the page number The numbering convention for the
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8. a valid Break Received data is stored in a buffer and the identifier parity bits and message frame checksum are checked Data to be transmitted is taken from the buffer and the appropriate checksum generated All the state machine activities are handled in the background in an interrupt service routine An Idle state machine is signalled by the MESSAGE_COUNTER 12 indicating a full empty data buffer Some enhancements that can be easily made to the LIN handler Although an ERROR_BYTE exists to accumulate parity and checksum errors it is cleared on every incoming frame Error counters could be added for additional error reporting No transmitted data bit testing is done This could be added at point A marked in the flowchart Bus errors thus detected can be accumulated and reported in the ERROR_BYTE Bus time out and Idle detections using and internal timer counter 2006 Microchip Technology Inc DS51604A page 13 Anti Pinch Window Lift Control Module User s Guide FIGURE 3 2 LIN HANDLER FLOWCHART Receiving Data MESSAGE_COUNTER MESSAGE_COUNTER MESSAGE_COUNTER Put Checksum Byte Into Buffer Transmit Next Data from Buffer LIN HANDLER Entered by either a Receive or a Transmit Interrupt Decrement MESSAGE_COUNTER Break character OK MESSAGE_COUNTER 12 MESSAGE_COUNTER Setup Auto Baud gt 11 module
9. power consumption in key off situations the power on LED may be removed 2 2 6 Connectors FIGURE 2 2 J1 MOTOR CONNECTOR Motor Output 1 1 4 Auxiliary Input Motor Position Feedback Signal 2 5 Vcc Motor Output 2 3 6 Chassis GND FIGURE 2 3 J2 SYSTEM CONNECTOR CW Switch Input FR Chassis GND Vcci 2 LIN BI Directional BUS 12 VDC VBAT a al R CCW Switch Input 3 FIGURE 2 4 JP1 PROGRAMMING CONNECTOR MCLR Vec Vss ICSPDAT ICSPCLK N C oa BON 2006 Microchip Technology Inc DS51604A page 9 Anti Pinch Window Lift Control Module User s Guide SCHEMATICS 2 3 SCHEMATIC FIGURE 2 5 seuusyno p P p y 9002 Lo tege Aepseupem q UMEJA yeous eas zz yoeqpeed RO ON WM Th nou UI MOPUJMM Upujd pue Mm JEJOBUCD yr MOPUJM NIT Z68L0 0 VEZS8 BUOZUY 1ejpueyJ PAJA Jeun M SSEZ dnog sjonpoid eapowojny ou ASojouyoe L don avnv GIHDOHIIW DIVMSO Z s 5 anio Ano Ano AE SSZHNL S so ei za N zn Fo ano aniue 1011 IF son
10. relief under that Act Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates It is your responsibility to ensure that your application meets with your specifications MICROCHIP MAKES NO REPRESENTATIONS OR WAR RANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED WRITTEN OR ORAL STATUTORY OR OTHERWISE RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ITS CONDITION GUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR PURPOSE Microchip disclaims all liability arising from this information and its use Use of Microchip devices in life support and or safety applications is entirely at the buyer s risk and the buyer agrees to defend indemnify and hold harmless Microchip from any and all damages claims suits or expenses resulting from such use No licenses are conveyed implicitly or otherwise under any Microchip intellectual property rights QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV ISO TS 16949 2002 Trademarks The Microchip name and logo the Microchip logo Accuron dsPIC KEELOQ microID MPLAB PIC PICmicro PICSTART PRO MATE PowerSmart rfPIC and SmartShunt are registered trademarks of Microchip Technology Incorporated in the U S A and other countries AmpLab FilterLab Migratable Memory MXDEV MXLAB SEEVAL SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technol
11. the Anti Pinch Reference Design PICkitTM 2 Microcontroller Programmer User s Guide DS51553 Consult this document for instructions on how to use the PICkit 2 Microcontroller Programmer hardware and software PIC16F688 Data Sheet DS41203 Data sheet for the PIC16F688 14 pin Flash based 8 bit CMOS microcontrollers with nanoWatt Technology MCP201 LIN Transceiver with Voltage Regulator Data Sheet DS21730 Data sheet for the MCP201 LIN transceiver Gives an overview of the device including modes of operation and electrical characteristics THE MICROCHIP WEB SITE Microchip provides online support via our web site at www microchip com This web site is used as a means to make files and information easily available to customers Accessible by using your favorite Internet browser the web site contains the following information Product Support Data sheets and errata application notes and sample programs design resources user s guides and hardware support documents latest software releases and archived software General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Microchip consultant program member listing Business of Microchip Product selector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representatives CUSTOMER SUPPORT Users of Microchip products
12. 5 0 P2 min 0 ms ST min 0 ms 2006 Microchip Technology Inc DS51604A page 15 MICROCHIP WORLDWIDE SALES AND SERVICE AMERICAS Corporate Office 2355 West Chandler Blvd Chandler AZ 85224 6199 Tel 480 792 7200 Fax 480 792 7277 Technical Support http support microchip com Web Address www microchip com Atlanta Alpharetta GA Tel 770 640 0034 Fax 770 640 0307 Boston Westborough MA Tel 774 760 0087 Fax 774 760 0088 Chicago Itasca IL Tel 630 285 0071 Fax 630 285 0075 Dallas Addison TX Tel 972 818 7423 Fax 972 818 2924 Detroit Farmington Hills MI Tel 248 538 2250 Fax 248 538 2260 Kokomo Kokomo IN Tel 765 864 8360 Fax 765 864 8387 Los Angeles Mission Viejo CA Tel 949 462 9523 Fax 949 462 9608 San Jose Mountain View CA Tel 650 215 1444 Fax 650 961 0286 Toronto Mississauga Ontario Canada Tel 905 673 0699 Fax 905 673 6509 ASIA PACIFIC Australia Sydney Tel 61 2 9868 6733 Fax 61 2 9868 6755 China Beijing Tel 86 10 8528 2100 Fax 86 10 8528 2104 China Chengdu Tel 86 28 8676 6200 Fax 86 28 8676 6599 China Fuzhou Tel 86 591 8750 3506 Fax 86 591 8750 3521 China Hong Kong SAR Tel 852 2401 1200 Fax 852 2401 3431 China Qingdao Tel 86 532 8502 7355 Fax 86 532 8502 7205 China Shanghai Tel 86 21 5407 5533 Fax 86 21 5407 5066 China Shenyang Tel 86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen
13. DS number is DSXXXXXA where XXXXX is the document number and A is the revision level of the document For the most up to date information on development tools see the MPLAB IDE on line help Select the Help menu and then Topics to open a list of available on line help files INTRODUCTION This chapter contains general information that will be useful to know before using the Anti Pinch Window Lift Control Module Items discussed in this chapter include e Document Layout e Conventions Used in this Guide e Recommended Reading e The Microchip Web Site e Customer Support DOCUMENT LAYOUT This document describes how to use the Anti Pinch Window Lift Control Module The manual layout is as follows e Chapter 1 Getting Started Quick Setup e Chapter 2 Window Lift Control Module Hardware e Chapter 3 Window Lift Control Module Software 2006 Microchip Technology Inc DS51604A page 1 Anti Pinch Window Lift Control Module User s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions DOCUMENTATION CONVENTIONS Description Represents Examples Arial font Italic characters Referenced books MPLAB IDE User s Guide Emphasized text JS the only compiler Initial caps A window the Output window A dialog the Settings dialog A menu selection select Enable Programmer Quotes A field name in a
14. Dix YOOYNE zo ML sy NO lt l ta 6960LLAINV OH EJ E So Si 78092 8 ONS v HOMO Wy gt S ypeqpee em sala al Va Few e RATE aa 8 la TS s 1 7 in 9894913Id XU dODA SOU LOSO SVY zean E z XLLNOZO HOU ENY ZOSO WVU a A dP e ZNVIEOM UTOWEVY LE m tet rt v Jopu Z 9NVIZOY ZNVILNULNOLOIeW r Pout wen K e NIZOJSNVILOU INVENIO L Ve Le or NENNEN ONVANID OVe Er OMO S zean yi Ea M SB vo 19 Tangoo 20107 Z 63 4 S A 7 r Ji e AO 099A 6960ZZAWV oz Aa pq M ypeqpee uopisod L I su st eg E O99A MZ e PR Ivas l amp NTOdSOI ant 1 a 5 2006 Microchip Technology Inc DS51604A page 10 ANTI PINCH WINDOW LIFT CONTROL MICROCHIP MODULE USER S GUIDE Chapter 3 Window Lift Control Module Software 3 1 INTRODUCTION The software supplied with this board is used as a basic guideline or framework rather than a production ready program The software includes all foundation routines to begin testing and evaluation but final refinement and individual optimization is left to the user 3 2 SOFTWARE The set of modules presented in this user s guide implements the following features e Interrupt driven LIN 2 0 protocol state machine e Error detection and accumulation error reporting is not addressed e Motor current sensing of a stall condition with auto reverse e Internal 8 MHz oscillator auto baud rate detection for LIN messages
15. K Wokingham Tel 44 118 921 5869 Fax 44 118 921 5820 02 16 06 DS51604A page 16 2006 Microchip Technology Inc
16. can receive assistance through several channels e Distributor or Representative e Local Sales Office e Field Application Engineer FAE Technical Support e Development Systems Information Line Customers should contact their distributor representative or field application engineer FAE for support Local sales offices are also available to help customers A listing of sales offices and locations is included in the back of this document Technical support is available through the web site at http support microchip com EEE 2006 Microchip Technology Inc DS51604A page 3 Anti Pinch Window Lift Control Module User s Guide NOTES DS51604A page 4 2006 Microchip Technology Inc ANTI PINCH WINDOW LIFT CONTROL MICROCHIP MODULE USER S GUIDE Chapter 1 Getting Started Quick Setup 1 1 INTRODUCTION The Anti Pinch Window Lift Control module is shipped programmed and ready for use The user will need to supply hardware and corrections as described below 1 2 HARDWARE The user needs to supply a motor 5 10A SP continuous load current a power supply rated to operate the motor and a single pole double throw center off switch Connectors J1 and J2 provide interface to the board The mating connectors AMP TYCO are e PLUG HOUSING 6 POSITION MINI UNIV MATE PN 172168 1 one per connector e SOCKET TERMINALS 16 20AWG TIN CRIMP PN 171637 1 6 per connector 1 3 SETUP The Anti Pinch Window L
17. ift motor is connected to J1 1 and J1 3 The terminals will be determined by the type of motor selected The control switch is a single pole double throw center off The common terminal is connected to GND J2 4 or J1 6 The UP terminal is routed to J2 1 and the DOWN side is hooked to J2 3 Power is supplied to J2 6 12 VDC and J2 4 Chassis GND Before applying power make sure that jumpers E1 and E2 are connected to pins 1 and 2 see Figure 1 2 FIGURE 1 1 WINDOW LIFT CONTROL MODULE a MICROCHIP K1 El R2 e 114 J1 1 02 o La Es J1 3 1 J2 1 4 o 1 DOWN kiza J2 4 A c3 J2 5 o p D1 oO __ UP 8 SE J2 3 3 04 01892 2 1 REV 2 1 J2 6 12 VDC GND LIN 2006 Microchip Technology Inc DS51604A page 5 Anti Pinch Window Lift Control Module User s Guide LIN commands are sent via the LIN bus connected to J2 5 Programmed with the standard firmware the module responds to LIN 2 0 message frame of two data bytes and classic checksum checksum only includes data The identifier is 0x05 Bit 2 of the first databyte signals down and bit 1 signals up The second databyte is not used FIGURE 1 2 DEFAULT JUMPER POSITIONS co MICROCHIP K1 RI R2 ci Pin 1 of Jumpers E and E2 are closest to the board edge Ref 02 D1 EO
18. lockwise switch input RA5 Counterclockwise switch input RC3 Auxiliary input Outputs RCO Clockwise motor driver output RC1 Counterclockwise motor driver output Network Transceiver Interface RC2 CS output RC4 TX output RC5 RX input Unused pins RA2 Not used RA3 Not used ICSP MCLR The microcontroller Flash program and E2 data memory may be programmed through JP1 This connector is pinout compatible with PICkit 1 and 2 programmers Microchip s MPLAB ICD 2 may also be used with an appropriately pinned cable not supplied See PIC16F688 Data Sheet DS 41203 for additional information 2 2 4 Network Interface A MCP201 LIN Bus Transceiver is used for the physical slave bus driver to connect to a LIN or J2602 compatible network A Zener diode protects the LIN bus pin from tran sient voltages The capacitor between the LIN bus pin and ground should have its value adjusted for the particular network topology A large pull up resistor on the FAULT SLPS pin ensures that a MCP201 device resets to a standard slope control profile See MCP201 Data Sheet DS 21430 for more information DS51604A page 8 2006 Microchip Technology Inc Window Lift Control Module Hardware 2 2 5 Power Supply Power is supplied to the board through a J2 system connector AMP 770969 1 see Figure 2 2 The voltage should be in the range of 8 18 VDc The voltage regulator is reverse battery transient and load dump protected To reduce
19. ogy Incorporated in the U S A Analog for the Digital Age Application Maestro dsPICDEM dsPICDEM net dsPICworks ECAN ECONOMONITOR FanSense FlexROM fuzzyLAB In Circuit Serial Programming ICSP ICEPIC Linear Active Thermistor MPASM MPLIB MPLINK MPSIM PICkit PICDEM PICDEM net PICLAB PICtail PowerCal Powerlnfo PowerMate PowerTool Real ICE rfLAB rfPICDEM Select Mode Smart Serial SmartTel Total Endurance UNI O WiperLock and Zena are trademarks of Microchip Technology Incorporated in the U S A and other countries SQTP is aservice mark of Microchip Technology Incorporated in the U S A All other trademarks mentioned herein are property of their respective companies 2006 Microchip Technology Incorporated Printed in the U S A All Rights Reserved gt Printed on recycled paper Microchip received ISO TS 16949 2002 quality system certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona and Mountain View California in October 2003 The Company s quality system processes and procedures are for its PICmicro 8 bit MCUs KEELOG code hopping devices Serial EEPROMs microperipherals nonvolatile memory and analog products In addition Microchip s quality system for the design and manufacture of development systems is ISO 9001 2000 certified DS51604A page ii 2006 Microchip Technology Inc A ANTI PINCH WINDOW LIFT CONTROL MICROCHIP
20. rivers as selected by E1 and E2 In this application the microcontroller has full control over the motor so the switch inputs are routed to the microcontroller as direction requests see Figure 2 5 The current across the motor is measured by a current sensing resistor at location CSR1 on the circuit board An auxiliary input signal such as Ignition or Accessory On can be sent through J1 4 see Figure 2 2 A resistor capacitor diode network can be installed in positions R7 through R10 These are component footprint placeholders and accept standard 0805 parts This input is not used at this time 2 2 2 Outputs The two relays are driven by two logic input MOSFETs The relays are configured in an H bridge arrangement to apply reversible voltage to the controlled motor These relays can supply up to 20A of continuous current 2006 Microchip Technology Inc DS51604A page 7 Anti Pinch Window Lift Control Module User s Guide 2 2 3 Microcontroller The microcontroller can be any one of the 14 pin PIC device family members but in this instance it is a PIC16F688 The PIC16F688 has an Enhanced Addressable USART that supports the Local Interconnect Network LIN and SAE J2602 protocol The following table shows the I O port connections TABLE 2 1 UO CONNECTIONS PORT Pin Function Notes Inputs RAO Not used ICSP Data RA1 Motor current sense feedback input ICSP Clock RA4 C
21. window or __ Save project before build dialog Underlined italic text with A menu path File gt Save right angle bracket Bold characters A dialog button Click OK A tab Click the Power tab N Rnnnn A number in verilog format 4 b0010 2hF1 where N is the total number of digits R is the radix and n is a digit Text in angle brackets lt gt A key on the keyboard Press lt Enter gt lt F1 gt Courier New font Plain Courier New Sample source code define START Filenames autoexec bat File paths c mcci8 h Keywords _asm _endasm static Command line options Opa Opa Bit values 0 1 Constants OxFF A Italic Courier New A variable argument file o where file can be any valid filename Square brackets Optional arguments mcc18 options file options Curly brackets and pipe Choice of mutually exclusive errorlevel 0 1 character arguments an OR selection Ellipses Replaces repeated text var_name var_name Represents code supplied by void main void user DS51604A page 2 2006 Microchip Technology Inc Preface RECOMMENDED READING This user s guide describes how to use the Anti Pinch Window Lift Control Module Other useful documents are listed below The following Microchip documents are avail able and recommended as supplemental reference resources It is recommended that you become familiar with the documents listed below prior to using
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