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MC68HC11D3 
HC11 MC68HC11D3 Technical Data - Data Sheet		Data SheetsMC68HC11D3CP2
MC68HC11D3FN
MC68HC11D3FNE		pdf687601/10/1995
MC68HC11D3 - MC68HC11D3 Technical Data

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MC68L11D3 
MC68L11D3 Low Voltage Devices Supp. to Technical Data		Data SheetsMultiplepdf118101/1/1992
MC68L11D3 - MC68L11D3 Low Voltage Devices Supp. to Technical Data.

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AN1060 
M68HC11 Bootstrap Mode		Application NotesMultiplepdf2411.19/20/2005
AN1060 - This application note explains the operation and application of the M68HC11 bootstrap mode. Although basic concepts associated with this mode are quite simple, the more subtle implications of these functions require careful consideration. Useful applications of this mode are overlooked due to an incomplete understanding of bootstrap mode. Also, common problems associated with bootstrap mode could be avoided by a more complete understanding of its operation and implications.
AN1060SW - Software files for AN1060

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AN2321 
Designing for Board Level Electromagnetic Compatibility
Application NotesMultiplepdf1580110/18/2005
AN2321 - Designing for Board Level Electromagnetic Compatibility

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AN1067 
Pulse Generation and Detection with Microcontroller Units		Application NotesMultiplepdf125815/31/2002
AN1067 - This application note examines two common interfaces between MCUs and external circuitry -- pulse generation and pulse detection. Several families of Freescale MCUs and a variety of pulse applications are considered. Code segments and listings are also included.

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AN1010 
MC68HC11 EEPROM Programming from a Personal Computer		Application NotesMultiplepdf80915/20/2002
AN1010 - This application note describes a simple and reliable method of programming either the MC68HC11's internal EEPROM or the EEPROM connected to the MCU's external bus.

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AN494 
An HC11-Controlled Multiband RDS Radio		Application NotesMultiplepdf88612/23/2001
AN494 - This application note describes the software and hardware features of the microcontroller (MCU) of a synthesized multiband radio which includes RDS (radio data system) decoding (FM, band II). It uses an MC68HC(7)11 MCU whose program can be on-chip or contained in an external EPROM. ROM versions are available.

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AN1064 
Use of Stack Simplifies M68HC11 Programming		Application NotesMultiplepdf99401/11/2001
AN1064 - This application note discusses using the M68HC11's stack to store local or temporary variable values and subroutine parameter passing.

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AN432 
128K Byte Addressing with the M68HC11		Application NotesMultiplepdf103701/11/2001
AN432 - This application note describes two methods of memory paging that allow the MCU to fully address a single 1 megabit EPROM (128 Kbytes) by manipulation of the address lines.

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AN1058 
Reducing A/D Errors in Microcontroller Applications		Application NotesMultiplepdf123002/1/2001
AN1058 - Application note about how to reduce A/D errors in MCU applications.

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AN2103 
Local Interconnect Network (LIN) Demonstration		Application NotesMultiplepdf4163012/1/2000
AN2103 - This application note describes a LIN demo that was designed for the SAE show in March 2000. The project was intended to demonstrate the LIN protocol, tools, and Freescale products that were available. Although the demo is purely visual and does not represent any particular application, it does introduce many features that would be implemented in actual applications, such as CAN-LIN gateway, sleep mode, messaging scheme, LIN drivers and LIN tools

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AN1050 
Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers		Application NotesMultiplepdf71901/1/2000
AN1050 - The operating speed of present HCMOS devices is approaching that of the fastest bipolar logic families of only a few years ago. Associated with this increase in performance are some new design challenges for the MCU-based system designer. This application note addresses one of these issues, the electromagnetic compatibility of the finished product

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AN427 
MC68HC11 EEPROM Error Correction Algorithms in C		Application NotesMultiplepdf41101/1/2000
AN427 - This application note describes a technique for correcting 1-bit errors and detecting 2-bit errors in a block of data ranging from 1 to 11 bits in length. The technique applied is a modified version of a Hamming code and has been implemented entirely in C. Additional functions have been provided to program and read the EEPROM on an M68HC11 MCU using the error encoding and decoding algorithms.

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AN461 
An Introduction to the HC16 for HC11 Users		Application NotesMultiplepdf140601/1/2000
AN461 - This application note discusses the various differences likely to be encountered by a user of the M68HC16 who is experienced in using the M68HC11. It covers the CPU architecture, software compatibility, and hardware of the M68HC16 device.

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AN974 
MC68HC11 Floating-Point Package		Application NotesMultiplepdf74501/1/2000
AN974 - While most applications can be implemented by using the 16-bit integer precision of the MC68HC11, certain applications or algorithms may be difficult or impossible to implement without floating-point math. The goal in writing the MC68HC11 floating-point package was to provide a fast, flexible way to do floating-point math for just such applications.

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AN997 
CONFIG Register Issues Concerning the M68HC11 Family		Application NotesMultiplepdf55901/1/2000
AN997 - Some customers and field representatives have expressed concerns about the reliability of the CONFIG (configuration) register in the M68HC11 Family of microcontrollers. These fears are based on problems with early mask sets of the part; however, current production units and proper application of the parts have overcome these earlier problems.The earlier fault mechanisms, the circuit changes to correct them, and application guidelines to prevent undesirable results are presented here.

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AN1705 
Noise Reduction Techniques for Microcontroller-Based Systems		Application NotesMultiplepdf54101/1/1999
AN1705 - This application note focuses on reduction techniques for electromagnetic interference.

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AN1783 
Determining MCU Oscillator Start-Up Parameters		Application NotesMultiplepdf33211/1/1999
AN1783 - Many microcontrollers (MCUs) incorporate an inverting amplifier for use with an external crystal or ceramic resonator in a Pierce oscillator configuration. This paper describes how to calculate the minimum gain (transconductance) of the amplifier required to ensure oscillation with specific external components, and also how to measure the amplifier transconductance to establish whether the minimum gain requirement is met.

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AN1744 
Resetting Microcontrollers During Power Transitions		Application NotesMultiplepdf710 01/1/1998
AN1744 - A simple function such as resetting an MCU during the application or removal of power can cause many problems if not handled properly. Symptoms of an improperly handled reset during power transitions can range from a slight delay in MCU response after power-up to very erratic, inconsistent behavior to total system failure.This document covers the main issues relating to this problem and aims to lead the user of HC05, HC08, and HC11 devices to a safe and reliable approach to transitioning power in their application.

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AN1771 
Precision Sine-Wave Tone Synthesis Using 8-Bit MCUs		Application NotesMultiplepdf113101/1/1998
AN1771 - This application note presents basic tone synthesis techniques and illustrates their implementation using the HC08, HC05, HC11, and HC12 Families of MCUs.

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AN1775 
Expanding Digital Input with an A/D Converter		Application NotesMultiplepdf784 11/1/1998
AN1775 - This application note documents a method of extending digital input using the analog-to-digital converter of an MCU.

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AN1706 
Microcontroller Oscillator Circuit Design Considerations		Application NotesMultiplepdf101901/1/1997
AN1706 - The objective of this document is to develop a systematic approach to good oscillator design and to point out some common pitfalls.

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AN1220_D 
Optical Character Recognition Using Fuzzy Logic		Application NotesMultiplepdf107901/1/1996
AN1220_D - This application note shows how to envision, describe, and realize a design using fuzzy logic. It is not intended to be an introduction to fuzzy logic, but it is basic enough to be understood by designers with a cursory understanding of the subject. For those who seek an introduction to fuzzy logic, the Freescale Fuzzy Logic Educational Kit is an excellent primer. Other sources of information are shown in the list of references at the end of this document.

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AN1259 
System Design and Layout Techniques for Noise Reduction in MCU-Based Systems		Application NotesMultiplepdf58501/1/1995
AN1259 - Although the information provided here is not a cure-all for every electromagnetic interference (EMI) problem, this application note focuses on utilizing proven layout techniques to control EMI on MCU-based mixed-signal systems. It provides a practical approach rather than a theoretical discussion.

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AN1263 
Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers		Application NotesMultiplepdf21701/1/1995
AN1263 - This application note discusses how to design a single-chip microcontroller application considering electromagnetic compatibility (EMC).

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AN495 
RDS decoding for an HC11-controlled		Application NotesMultiplepdf4177010/1/1994
AN495 - This application note describes, and lists the software of, the RDS aspects of the HC11 radio controller described in AN494/D.

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ANE415 
MC68HC11 Implementation of IEEE-488 Interface for DSP56000 Monitor		Application NotesMultiplepdf189201/1/1988
ANE415 - This application note describes the implementation of an IEEE-4888 (GPIB) interface to the Freescale DSP56000 Digital Signal Processor using an MC68HC11 single chip MCU.

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M68HC11RM 
M68HC11 - Reference Manual		Reference ManualsMultiplepdf74786.15/21/2007
M68HC11RM - This reference manual is a valuable aid in the development of M68HC11 applications. Detailed descriptions of all internal subsystems and functions have been developed and carefully checked against internal Freescale design documentation, making this manual the most comprehensive reference available for the M68HC11 Family of microcontroller units.

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M68HC11ERG 
M68HC11E Programming Reference Guide		Reference ManualsMultiplepdf3532.18/25/2005
M68HC11ERG - M68HC11E Programming Reference Guide

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MC68HC11F1RG 
MC68HC11F1 Programming Reference Guide		Reference ManualsMultiplepdf504524/1/1992
MC68HC11F1RG - MC68HC11F1 Programming Reference Guide

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MC68HC11D3RG 
MC68HC11D3 Programming Reference Guide		Reference ManualsMultiplepdf498406/1/1990
MC68HC11D3RG - MC68HC11D3 Programming Reference Guide

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M68PCBUG11 
M68HC11 M68HC11 PCbug11 Users Manual		Users GuidesMultiplepdf688312/1/1996
M68PCBUG11 - M68HC11 PCbug11 Users Manual.

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EB184 
Enabling the Security Feature on the MC68HC711E9 Devices with Pcbug11 on the M68HC711E9PGMR		Engineering BulletinsMultiplepdf510.19/20/2005
EB184 - EB184 Enabling the Security Feature on the MC68HC711E9 Devices with Pcbug11 on the M68HC711E9PGMR

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EB188 
Enabling the Security Feature on M68HC811E2 Devices with PCbug11 on the M68HC711E9PGMR		Engineering BulletinsMultiplepdf500.19/20/2005
EB188 - Enabling the Security Feature on M68HC811E2 Devices with PCbug11 on the M68HC711E9PGMR

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EB296 
Programming MC68HC711E9 Devices with Pcbug11 and the M68HC11EVBU		Engineering BulletinsMultiplepdf510.19/20/2005
EB296 - Programming MC68HC711E9 Devices with Pcbug11 and the M68HC11EVBU

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EB192 
A Quick PWM Tutorial for MC68HC11 K, KA, KW, P and PH Series Controllers		Engineering BulletinsMultiplepdf27101/14/2003
EB192 - This information is presented to users of the MC68HC11A Family (A8/A1/A0) microcontrollers (MCUs) who are considering converting to MC68HC11E Family MCUs (E9/E1/E0).

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EB396 
Use of OSC2/XTAL as a Clock Output on Freescale Semiconductor Microcontrollers		Engineering BulletinsMultiplepdf220 06/19/2002
EB396 - Engineering Bulletin.

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EB378 
CONFIG Register Programming for EEPROM-Based M68HC11 Microcontrollers		Engineering BulletinsMultiplepdf25101/31/2001
EB378 - To guarantee proper operation of EEPROM-based M68HC11 devices, the CONFIG register must be correctly programmed. A CONFIG register verification and reprogramming routine should be included at the beginning of critical M68HC11 programs. This engineering bulletin shows how to verify and reprogram the EEPROM CONFIG register to ensure proper operation. This engineering bulletin formerly was numbered M68HC11CFG/D

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EB380 
Migrating from the MC68HC811E2 to the MC68HC711E9		Engineering BulletinsMultiplepdf28703/2/2001
EB380 - This engineering bulletin explains how existing users of the MC68HC811E2 could migrate to the MC68HC711E9. The last date that the MC68HC811E2 can be ordered from Freescale is June 30, 2001. However, beyond that date, parts may be available from Freescale distributors.The MC68HC811E2 is a versatile part used in many different types of applications. This document addresses applications that use the part only in single-chip mode.

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EB349 
RAM Data Retention Considerations for Freescale Semiconductor Microcontrollers		Engineering BulletinsMultiplepdf216 16/22/2000
EB349 - Engineering Bulletin.

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EB413 
Resetting MCUs		Engineering BulletinsMultiplepdf24501/1/2000
EB413 - EB413 Resetting MCUs.

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EB422 
Enhanced M68HC11 Bootstrap Mode		Engineering BulletinsMultiplepdf88501/1/2000
EB422 - EB422 Enhanced M68HC11 Bootstrap Mode.

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EB191 
Programming EPROM and EEPROM on the M68HC11EVM		Engineering BulletinsMultiplepdf20201/1/1999
EB191 - EB191 Programming EPROM and EEPROM on the M68HC11EVM.

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EB193 
Replacing 68HC11A Series MCUs with 68HC11E Series MCUs		Engineering BulletinsMultiplepdf26911/1/1999
EB193 - The information is presented to users of the MC68HC11A Family (A8/A1/A0) microcontrollers (MCUs) who are considering converting to the MC68HC11E Family MCUs (E9/E1/E0).

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EB195 
How to Configure the Reset Pin on the MC68HC11		Engineering BulletinsMultiplepdf19601/1/1999
EB195 - The ideal way to control the reset pin on the MC68HC11 is with a low-voltage inhibit (LVI) circuit. However, many designers want to use an RC circuit, and they wonder why the MC68HC11 Reference Manual specifically forbids use of an RC (resistance-capacitance) circuit to reset the MC68HC11. This engineering bulletin explains why a capacitor should never be connected to the reset pin and describes the correct configuration of reset.

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EB197 
Using Pseudo-Interrupt Vectors on the M68HC11EVBU		Engineering BulletinsMultiplepdf18201/1/1999
EB197 - EB197 Using Pseudo-Interrupt Vectors on the M68HC11EVBU.

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EB287 
C Macro Definitions for the MC68HC(7)11E9/E8/E1/E0		Engineering BulletinsMultiplepdf20201/1/1999
EB287 - With more microcontroller users moving to high level languages like C, macro definition files like the one outlined in this document can speed software development efforts. The file reproduced in this engineering bulletin is available at http://www.mot.com/pub/SPS/MCU/mcu11. Download and unzip the mc11e9h.zip file from the mcu11 directory

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EB294 
How to Write to the 64-Cycle Time-Protected Registers on M68HC11 Development Tools		Engineering BulletinsMultiplepdf22101/1/1999
EB294 - EB294 How to Write to the 64-Cycle Time-Protected Registers on M68HC11 Development Tools.

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EB298 
Programming the BUFFALO Monitor into an MC68HC711E9		Engineering BulletinsMultiplepdf19801/1/1999
EB298 - If communication with the EVBU (evaluation) board cannot be established using a terminal emulation program such as Procomm or Kermit, the information in this engineering bulletin is for you. The probably reason for communication failure is that the EPROM in the MC68HC711E9 has not been programmed with the BUFFALO monitor

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EB301 
Programming EEPROM on the MC68HC811E2 during Program Execution		Engineering BulletinsMultiplepdf20101/1/1999
EB301 - The MC68HC811E2 microcontroller (MCU) has the largest EEPROM array in the MC68HC11 Family of microcontrollers. This 2-K array of EEPROM can be used for both program code and data values. In addition to the 2-K array of EEPROM, the device has 256 bytes of RAM. While some users may choose to use RAM for program varaibles during execution, others may want to store data and variables in the non-volatile EEPROM, so that data will still be valid after a power-off and power-on sequence

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EB312 
Replacing 68HC11KA4/KA2 MCUs with 68HC11KS2/KS8 MCUs		Engineering BulletinsMultiplepdf24501/1/1999
EB312 - The information in this engineering bulletin is presented to users of the 68HC11KAx Family (KA4/KA2) microcontrollers (MCUs) who are considering converting to the 68HC11KSx Family MCUs (KS2/KS8).

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EB182 
How the Romon Bit Behaves on the E Series HC11 MCUs		Engineering BulletinsMultiplepdf19501/1/1998
EB182 - The functionality and differences in the functionality of the ROMON bit in the HC711E9 and HC711E20 microcontrollers are discussed in this engineering bulletin.

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EB185 
Simplify MC68HC711E9PROM Programming with Pcbug11 and the M68HC711EPGMR Board		Engineering BulletinsMultiplepdf19601/1/1998
EB185 - EB185 Simplify MC68HC711E9PROM Programming with Pcbug11 and the M68HC711EPGMR Board

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EB187 
Programming MC68HC711E9 Devices with Pcbug11 and the M68HC711EVB		Engineering BulletinsMultiplepdf20701/1/1998
EB187 - EB187 Programming MC68HC711E9 Devices with Pcbug11 and the M68HC711EVB

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EB189 
Programming MC68HC811E2 Devices with Pcbug11 and the M68HC711E9PGMR		Engineering BulletinsMultiplepdf20801/1/1998
EB189 - EB189 Programming MC68HC811E2 Devices with Pcbug11 and the M68HC711E9PGMR

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EB198 
Turn Off Your E Clock to Reduce Noise Emission on the MC68HC11		Engineering BulletinsMultiplepdf21601/1/1998
EB198 - Since the introduction of the MC68HC11A8 in 1984, many new functions and peripherals have been developed, adding functionality and variety to this versatile family of microcontrollers. Because of the expanding ROM, EPROM, and RAM available on newer members of the MC68HC11 Family, many applications are now feasible in single-chip mode, thereby reducing the number of integrated circuits necessary to complete a control application. Many of the products which now contain MC68HC11s are also noise sensitive applications like digital pagers and cellular phones. This paper describes a feature on MC68HC11s which will reduce noise radiating from the application in addition to reducing the current drawn by the part.

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EB254 
Setting the Programming Voltage on Modular Microcontrollers with FLASH EEPROM		Engineering BulletinsMultiplepdf18501/1/1998
EB254 - EB254 Setting the Programming Voltage on Modular Microcontrollers with FLASH EEPROM

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EB284 
C Macro Definitions for the MC68HC(7)11D3/D0		Engineering BulletinsMultiplepdf20101/1/1998
EB284 - With more microcontroller users moving to high level languages like C, macro definition files like the one outlined in this document can speed software development efforts. The file reproduced in the following pages is available on the Freeware Data System. Download and unzip the hc11d3h.zip file from the MCU11 directory

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EB285 
C Macro Definitions for the MC68HC(7)11E20		Engineering BulletinsMultiplepdf20101/1/1998
EB285 - With more microcontroller users moving to high level languages like C, macro definition files like the one outlined in this document can speed software development efforts. The file reproduced in the following pages is available on the Freeware Data System. Download and unzip the hc11e20h.zip file from the MCU11 directory

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EB289 
C Macro Definitions for the MC68HC11F1		Engineering BulletinsMultiplepdf20901/1/1998
EB289 - With more microcontroller users moving to high level languages like C, macro definition files like the one outlined in this document can speed software development efforts. The file reproduced in the following pages is available on the Freeware Data System. Download and unzip the hc11f1h.zip file from the MCU11 directory

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EB291 
Programming MC68HC811E2 Devices with Pcbug11 and the M68HC11EVBU		Engineering BulletinsMultiplepdf20801/1/1998
EB291 - EB291 Programming MC68HC811E2 Devices with Pcbug11 and the M68HC11EVBU

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EB292 
Initialization Considerations When Moving from the BUFFALO Monitor to a Standalone MC68HC11		Engineering BulletinsMultiplepdf19001/1/1998
EB292 - Analog-to-digital (A/D) converter code written under the BUFFALO monitor oftentimes does not run on a standalone MC68HC11 because of a simple error. You must first initialize the A/D converter by writing a 1 to the A/D converter power-up bit (ADPU) in the option register. And A/D code executes properly under the BUFFALO monitor because BUFFALO initializes the A/D converter as part of its reset initialization sequence

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EB293 
Simplify MC68HC711E20 EPROM Programming with Pcbug11		Engineering BulletinsMultiplepdf19701/1/1998
EB293 - This engineering bulletin describes a way to program MC68HC711E20 parts using the M68HC711E9PGMR board, since the GLOADE9 software shipped with this board cannot be used to program MC68HC711E20 devices.

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EB295 
Programming the EEPROM on the MC68HC811E2 with the M68HC11EVM Board		Engineering BulletinsMultiplepdf19401/1/1998
EB295 - EB295 Programming the EEPROM on the MC68HC811E2 with the M68HC11EVM Board

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EB299 
Why M68HC711D3PGMR Software Does Not Run on 486 33-MHz Computers		Engineering BulletinsMultiplepdf18401/1/1998
EB299 - M68HC711D3PGMR software cannot communicate with an HC11 when it is run on a 33 MHz or faster 486 IBM PC (personal computer) or clone. Unfortunately, the only solution is to run GLOADD3 from a slower machine.

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EB303 
Handling Considerations for Avoiding Intermittent Programming and Execution Failures with MC68HC11-Windowed EPROM...		Engineering BulletinsMultiplepdf20501/1/1998
EB303 - If you are experiencing problems with MC68HC11-windowed EPROM devices when attempting to program them or use them in target applications, these problems may be attributable to lead alignment problems. The leads on these devices (identified with the FS package suffix) are more flexible than those on identical EPROM devices packaged in plastic-leaded chip carriers (identified with the FN package suffix). This additional flexibility may cause problems when using these parts in applications where they are handled extensively.

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M68HC11CFG 
CONFIG Register Programming for EEPROM-based M68HC11 Microcontrollers		Quick Reference GuidesMultiplepdf71011/1/1995
M68HC11CFG - CONFIG Register Programming for EEPROM-based M68HC11 Microcontrollers.

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ASEMBNEWASM 
DOS based freeware assembler documentation		Supporting InformationMultipledoc10-7/1/2000
ASEMBNEWASM -

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