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MC68HC05SR3D 
MC68HC05SR3, MC68HC705SR3 Technical Data - Data Sheet		Data Sheetspdf30462.18/17/2005
MC68HC05SR3D - Technical Data.

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68HC705SR3MSE3 
68HC705SR3 Device Information Sheet: 1F10W Mask Set		Erratapdf2411/9/2002
68HC705SR3MSE3 - 68HC705SR3 Device Information Sheet: 1F10W Mask Set

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AN2321 
Designing for Board Level Electromagnetic Compatibility
Application Notespdf1580110/18/2005
AN2321 - Designing for Board Level Electromagnetic Compatibility

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AN1516 
AN1516 Liquid Level Control Using a Pressure Sensor		Application Notespdf24945/16/2005
AN1516 - Freescale Discrete Products provides a complete solution for designing a low cost system for direct and accurate liquid level control using an ac powered pump or solenoid valve. This circuit approach which exclusively uses Freescale semiconductor parts, incorporates a piezoresistive pressure sensor with on-chip temperature compensation and a new solid-state relay with an integrated power triac.

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AN1818 
Software SCI Routines with the 16-Bit Timer Module		Application Notespdf121111/22/2004
AN1818 - Through the use of the 16-bit free-running counter, the HC05 and other MCU families can provide an interrupt-driven software SCI with minimal software overhead.

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AN1746 
Migrating from the MC68HC705K1 to the MC68HC705KJ1		Application Notespdf618011/10/2003
AN1746 - Application Note

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AN1067 
Pulse Generation and Detection with Microcontroller Units		Application Notespdf125815/31/2002
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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AN1688 
MISC Bus Slave Switch Node		Application Notespdf51507/11/2002
AN1688 - The Slave switch node, based on the very low cost MC68HC705J1A MCU, is used to illustrate the implementation of a software SCI within a communication protocol, as described in AN1667/D.

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AN1667 
Software SCI Implementation to the MISC Communication Protocol		Application Notespdf74307/10/2002
AN1667 - This application note describes a software implementation of asynchronous serial communication for microcontroller units which do not possess a hardware SCI channel, such as very low-cost microcontrollers (MCUs).
AN1667SW -

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AN2159 
Digital Direct Current Ignition System Using HC08 Microcontrollers		Application Notespdf1148011/20/2001
AN2159 - This application note describes a reference design for an engine electronic ignition system, known as digital Direct Current Ignition (DCI). The DCI system is targeted for single-cylinder, two-stroke engines such as mopeds. At the heart of the system is a Freescale HC08 microcontroller, the MC68HC908JK3.
AN2159SW - Zipped software to accompany application note AN2159

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AN1752 
Data Structures for 8-Bit Microcontrollers		Application Notespdf956 15/7/2001
AN1752 - This application note presents data structures which are useful in the development of microcontroller software. The applications presented here are by no means absolute. One can find an infinite variety of ways to apply these basic data structures in a microcontroller application.

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AN4006 
Digital Captive Discharge Ignition System Using HC05/HC08 8-Bit Microcontrollers		Application Notespdf34303/27/2000
AN4006 - This application note describes the basic principle of the digital capacitive discharge ignition (CDI) system for two-wheelers, and outlines a solution using Freescale's low-cost MC68HC705P6A microcontroller unit

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AN2103 
Local Interconnect Network (LIN) Demonstration		Application Notespdf4163012/1/2000
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 Notespdf71901/1/2000
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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AN1705 
Noise Reduction Techniques for Microcontroller-Based Systems		Application Notespdf54101/1/1999
AN1705 - This application note focuses on reduction techniques for electromagnetic interference.

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AN1820 
Software I2C Communications		Application Notespdf47701/1/1999
AN1820 - This application note describes a method of communicating on an I2C bus by controlling digital input/output pins. This bit-banged method can be implemented on any Motorola MCU
AN1820SW - -

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AN1734 
Pulse Width Modulation Using the 16-Bit Timer		Application Notespdf38901/1/1998
AN1734 - This application note presents a method of implementing pulse width modulation (PWM) in Freescale microcontrollers through the output compare function of the 16-bit free-running timer counter. Using this method, a PWM signal can be produced without dedicated on-chip PWM circuitry.
AN1734SW - Software files for AN1734

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AN1744 
Resetting Microcontrollers During Power Transitions		Application Notespdf710 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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AN1757 
Add a Unique Silicon Serial Number to the HC05		Application Notespdf65301/1/1998
AN1757 - This application note describes the interface between an HC05 microcontroller (MCU) and the DS2401 silicon serial number from Dallas Semiconductor. The DS2401 provides a factory-lasered, 64-bit ROM number that is unique to each device. The address bus structure uses a 1-Wire interface that reduces the overhead of control, data, address, and power pins.

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AN1758 
Add Addressable Switches to the HC05		Application Notespdf42301/1/1998
AN1758 - This application note describes the interface between an HC05 microcontroller and the DS2405 addressable switch from Dallas Semiconductor Corporation. The address bus structure uses a 1-Wire(tm) interface that reduces the overhead of control, data, address, and power pins. One pin on the DS2405 combines all of those functions.

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AN1771 
Precision Sine-Wave Tone Synthesis Using 8-Bit MCUs		Application Notespdf113101/1/1998
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 Notespdf784 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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AN1723 
Interfacing MC68HC05 Microcontrollers to the IBM AT Keyboard Interface		Application Notespdf628010/30/1997
AN1723 - This application note discusses the hardware and software issues involved in designing applications based on Freescale's M68HC05 Family of microcontrollers that can interact with an IBM AT computer at its keyboard interface. It explores using the interface as a power supply and a low-speed serial data link between an MC68HC05-based application and an IBM At-compatible host computer. The major focus in on applications that are capable of operating while the keyboard is connected to the host PC.

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AN1292 
Adding a Voice User Interface to M68HC05 Applications		Application Notespdf96601/1/1996
AN1292 - This application note discusses adding a voice-based user interface to an application based on the Freescale MC68HC(7)05J1A microcontroller. In particular, interfacing members of the M68HC05 MCU Family to the Information Storages Devices (ISD) 1000 and 2500 family of voice record/playback devices is highlighted. The development of an audible thermometer application concludes the discussion.
AN1292SW - Software files for AN1292

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AN1259 
System Design and Layout Techniques for Noise Reduction in MCU-Based Systems		Application Notespdf58501/1/1995
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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AN1262 
Simple Real-Time Kernels for M68HC05 Microcontrollers		Application Notespdf2689 01/1/1995
AN1262 - This application note demonstrates the operation of two different types of simple real-time kernels for the M68HC05 MCUs, namely, a priority-based kernel and a time-based kernel. Assembly source code is provided for each.
AN1262SW - AN1262 Software files

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AN1263 
Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers		Application Notespdf21701/1/1995
AN1263 - This application note discusses how to design a single-chip microcontroller application considering electromagnetic compatibility (EMC).

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AN1222 
Arithmetic Waveform Synthesis with the HC05/08 MCUs		Application Notespdf55801/1/1993
AN1222 - This application note is intended to demonstrate the use of Arithmetic Synthesis to create sinusoidal waveforms from a microcontroller unit (MCU). Given an accumulation constant predefined in memory, a very precise sinusoidal waveform can be produced from a table of sinusoidal values in memory. The values selected from the table are then sent out an MCU port to a digital-to-analog converter. This application note has been written for the HC08 MCU. Although cycle execution time will be different, the program listing for the HC08 is also applicable to the HC05.
AN1222SW - Software files for AN1222

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AN477 
Simple A/D for MCUs without Built-In A/D Converters		Application Notespdf90401/1/1993
AN477 - This application note describes a method of measuring an unknown resistance with an MC68HC05 type MCU that does not have a built-in analog-to-digital converter. Both the theoretical and the practical aspects of the method are covered.

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AN1055 
M6805 16-Bit Support Macros		Application Notespdf132901/1/1990
AN1055 - If your microcontroller application requires a small amount of program memory and not much raw computing power, the M68HC05 MCU Family is a most logical choice, given their low cost. But do not cross the M68HC05 Family off your selection list just because need some 16-bit indexing and/or 16-bit operations, such as the higher cost M68HC11 Family provides.
AN1055SW - Archived 2005

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M68HC05AG 
M68HC05 Applications Guide		Reference Manualspdf392141/28/2003
M68HC05AG - Introductory applications guide to microcontrollers. Assumes no prior knowledge of microcontrollers or MCU applications. Demonstrates MCU application development via a home thermostat application

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M68HC705SR3PGMR 
M68HC705SR3PGMR Programmer User's Manual		Users Guidespdf22603/1/1994
M68HC705SR3PGMR - M68HC705SR3PGMR Programmer User's Manual

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EB396 
Use of OSC2/XTAL as a Clock Output on Freescale Semiconductor Microcontrollers		Engineering Bulletinspdf220 06/19/2002
EB396 - Engineering Bulletin.

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