68HC05B6|8-bit Microcontroller (MCU)

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Products
Processors and Microcontrollers
Legacy MPU/MCUs
8-bit Legacy MCUs
- 68HC05B6
- 68HC11E0
- 68HC11E1
- 68HC11E9
- 68HC11F1
- 68HC705P6A
- 68HC711E20
- HC08AB
- HC08AP
- HC08EY
- HC08G
- HC08GZ
- HC08JB-JG-JT-JW
- HC08JK-JL
- HC08K
- HC08LJ-LK
- HC08MR
- HC08Q
- MM908E621
- MM908E624
- MM908E625
- MM908E626
- RS08KA|8-bit General Purpose Ultra-Low MCUs
- RS08KB
- RS08LA|8-bit with LCD Driver LA MCUs
- RS08LE
68HC05B6

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The 68HC05B6 offers EEPROM memory and more I/O including Analog to Digital Convertors (ADC), Pulse Width Modulators (PWM), and Serial Communications (SCI+).

Data Sheet

Reference Manual

Product Details

Features

176 bytes RAM
256 bytes of Byte Eraseable EEPROM
Timer System

16-bit Timer with Two Input Captures and Two Output Compare
Two Pulse Width Modulation Channels can be used as D/A Converters
Computer Operating Properly Watchdog Timer

8 Channel Analog to Digital Converter (ADC)
24 Bidirectional I/O Lines and 8 Input Only Lines
On-Chip Oscillator with Crystal/Ceramic Resonator
Serial Communications

Documentation

Quick reference to our documentation types.

1-10 of 50 documents

Compact List

Designing for Board Level Electromagnetic Compatibility[AN2321]

PDFOct 18, 2005Rev 1
AN1516 Liquid Level Control Using a Pressure Sensor[AN1516]

PDFMay 16, 2005Rev 4
Software SCI Routines with the 16-Bit Timer Module[AN1818]

PDFNov 22, 2004Rev 1
Migrating from the MC68HC705K1 to the MC68HC705KJ1[AN1746]

PDFNov 10, 2003Rev 0
MISC Bus Follower Switch Node[AN1688]

PDFJul 11, 2002Rev 0
Software SCI Implementation to the MISC Communication Protocol[AN1667]

PDFJul 10, 2002Rev 0
Pulse Generation and Detection with Microcontroller Units[AN1067]

PDFMay 31, 2002Rev 1
Using the Serial Peripheral Interface to Communicate Between Multiple Microcomputers[AN991]

PDFJan 28, 2002Rev 1
Digital Direct Current Ignition System Using HC08 Microcontrollers[AN2159]

PDFNov 20, 2001Rev 0
Basic Servo Loop Motor Control Using the MC68HC05B6 MCU[AN1120]

PDFNov 6, 2001Rev 1
Local Interconnect Network (LIN) Demonstration[AN2103]

PDFDec 1, 2000Rev 0
Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers[AN1050]

PDFJan 1, 2000Rev 0
Noise Reduction Techniques for Microcontroller-Based Systems[AN1705]

PDFJan 1, 1999Rev 0
Software I2C Communications[AN1820]

PDFJan 1, 1999Rev 0
Expanding Digital Input with an A/D Converter[AN1775]

PDFJan 1, 1998Rev 1
Add a Unique Silicon Serial Number to the HC05[AN1757]

PDFJan 1, 1998Rev 0
Precision Sine-Wave Tone Synthesis Using 8-Bit MCUs[AN1771]

PDFJan 1, 1998Rev 0
Add Addressable Switches to the HC05[AN1758]

PDFJan 1, 1998Rev 0
Resetting Microcontrollers During Power Transitions[AN1744]

PDFJan 1, 1998Rev 0
Pulse Width Modulation Using the 16-Bit Timer[AN1734]

PDFJan 1, 1998Rev 0
Interfacing the HC705C8A to an LCD Module[AN1745]

PDFJan 1, 1998Rev 0
Interfacing MC68HC05 Microcontrollers to the IBM AT Keyboard Interface[AN1723]

PDFOct 30, 1997Rev 0
Adding a Voice User Interface to M68HC05 Applications[AN1292]

PDFJan 1, 1996Rev 0
Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers[AN1263]

PDFJan 1, 1995Rev 0
Simple Real-Time Kernels for M68HC05 Microcontrollers[AN1262]

PDFJan 1, 1995Rev 0
AN1259: System Design and Layout Techniques for Noise Reduction in MCU-Based Systems – Application Note[AN1259]

PDFJan 1, 1995Rev 0
Simple A/D for MCUs without Built-In A/D Converters[AN477]

PDFJan 1, 1993Rev 0
Software Driver Routines for the MC68HC05 CAN Module[AN464]

PDFJan 1, 1993Rev 0
Arithmetic Waveform Synthesis with the HC05/08 MCUs[AN1222]

PDFJan 1, 1993Rev 0
Driving LCDs with M6805 Microprocessors[AN442]

PDFJan 1, 1991Rev 0
M6805 16-Bit Support Macros[AN1055]

PDFJan 1, 1990Rev 0
Serial Bootstrap for the RAM and EEPROM1 of the MC68HC05B6[AN434]

PDFJan 1, 1990Rev 0
Temperature Measurement and Display Using the MC68HC05B4 and the MC14489[AN431]

PDFJan 1, 1990Rev 0
Monitor Program for the MC68HC05B6 Microcomputer Unit[ANE420]

PDFJan 1, 1988Rev 0

Software for AN1667, zip format[AN1667SW]

ZIPJul 31, 2002Rev 1.0
AN2159SW[AN2159SW]

ZIPMar 8, 2002Rev 1
Software files for AN1820 zipped[AN1820SW]

ZIPJan 1, 1998Rev 0
Software files for AN1734 zipped[AN1734SW]

ZIPJan 1, 1997Rev 0
Software files for AN1292 zipped[AN1292SW]

ZIPJan 1, 1996Rev 0
Software Files for AN1222 zipped[AN1222SW]

ZIPJan 1, 1995Rev 0
Software files for AN1262[AN1262SW]

ZIPJan 1, 1995Rev 0

High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit, MC68HC05B4, MC68HC705B5, MC68HC05B5, MC68HC05B6, MC68HC05B8, MC68HC05B16, MC68HC705B16, MC68HC705B16N, MC68HC05B32, MC68HC705B32 Technical Data - Data Sheet[MC68HC05B6]

PDFAug 17, 2005Rev 4.1

Copper Wire Conversion for Microcontroller and Microprocessor Devices[PCN16235]

HTMMay 20, 2014Rev 0

M68HC05 Applications Guide[M68HC05AG]

PDFJan 28, 2003Rev 4
HC05 Family - Understanding Small Microcontrollers[M68HC05TB]

PDFJan 1, 1998Rev 2

Use of OSC2/XTAL as a Clock Output on Freescale Semiconductor Microcontrollers[EB396]

PDFJun 19, 2002Rev 0
RAM Data Retention Considerations for Freescale Semiconductor Microcontrollers[EB349]

PDFJun 22, 2000Rev 1
The MCAN Module[EB421]

PDFFeb 23, 2000Rev 0
Resetting MCUs[EB413]

PDFJan 1, 2000Rev 0
Frequently Asked Questions and Answers for the M68HC05 Family MCAN Module[EB181]

PDFJan 1, 1997Rev 0

Design Resources

Design Files

Receive the full breakdown. See the product footprint and more in the eCad file.

Software

Quick reference to our software types.

4 software files

Code Snippets
Example routines

ZIPRev 0Oct 5, 2020 10:19:0041.3 KBSAMPPROGCOD

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Code Snippets
Old bootloader files

ZIPRev 0Jan 28, 2000 00:00:0029.4 KBB5_BOOTCOD
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Code Snippets
HC05 Software Example: Home Thermostat example using the 705C8 with indoor/outdoor temperature and time of day

ZIPRev 0Oct 5, 2020 10:19:0017.2 KBC8THERMSW

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Code Snippets
DOS based freeware assembler

ZIPRev 0Aug 6, 2002 00:00:0061.0 KBASHC5ASM

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Note: For better experience, software downloads are recommended on desktop.

8-bit Microcontroller (MCU)

Product Details

Features

Documentation

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Application Note (34)

Designing for Board Level Electromagnetic Compatibility[AN2321]

AN1516 Liquid Level Control Using a Pressure Sensor[AN1516]

Software SCI Routines with the 16-Bit Timer Module[AN1818]

Migrating from the MC68HC705K1 to the MC68HC705KJ1[AN1746]

MISC Bus Follower Switch Node[AN1688]

Software SCI Implementation to the MISC Communication Protocol[AN1667]

Pulse Generation and Detection with Microcontroller Units[AN1067]

Using the Serial Peripheral Interface to Communicate Between Multiple Microcomputers[AN991]

Digital Direct Current Ignition System Using HC08 Microcontrollers[AN2159]

Basic Servo Loop Motor Control Using the MC68HC05B6 MCU[AN1120]

Local Interconnect Network (LIN) Demonstration[AN2103]

Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers[AN1050]

Noise Reduction Techniques for Microcontroller-Based Systems[AN1705]

Software I2C Communications[AN1820]

Expanding Digital Input with an A/D Converter[AN1775]

Add a Unique Silicon Serial Number to the HC05[AN1757]

Precision Sine-Wave Tone Synthesis Using 8-Bit MCUs[AN1771]

Add Addressable Switches to the HC05[AN1758]

Resetting Microcontrollers During Power Transitions[AN1744]

Pulse Width Modulation Using the 16-Bit Timer[AN1734]

Interfacing the HC705C8A to an LCD Module[AN1745]

Interfacing MC68HC05 Microcontrollers to the IBM AT Keyboard Interface[AN1723]

Adding a Voice User Interface to M68HC05 Applications[AN1292]

Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers[AN1263]

Simple Real-Time Kernels for M68HC05 Microcontrollers[AN1262]

AN1259: System Design and Layout Techniques for Noise Reduction in MCU-Based Systems – Application Note[AN1259]

Simple A/D for MCUs without Built-In A/D Converters[AN477]

Software Driver Routines for the MC68HC05 CAN Module[AN464]

Arithmetic Waveform Synthesis with the HC05/08 MCUs[AN1222]

Driving LCDs with M6805 Microprocessors[AN442]

M6805 16-Bit Support Macros[AN1055]

Serial Bootstrap for the RAM and EEPROM1 of the MC68HC05B6[AN434]

Temperature Measurement and Display Using the MC68HC05B4 and the MC14489[AN431]

Monitor Program for the MC68HC05B6 Microcomputer Unit[ANE420]

Application Note Software (7)

Software for AN1667, zip format[AN1667SW]

AN2159SW[AN2159SW]

Software files for AN1820 zipped[AN1820SW]

Software files for AN1734 zipped[AN1734SW]

Software files for AN1292 zipped[AN1292SW]

Software Files for AN1222 zipped[AN1222SW]

Software files for AN1262[AN1262SW]

Data Sheet (1)

High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit, MC68HC05B4, MC68HC705B5, MC68HC05B5, MC68HC05B6, MC68HC05B8, MC68HC05B16, MC68HC705B16, MC68HC705B16N, MC68HC05B32, MC68HC705B32 Technical Data - Data Sheet[MC68HC05B6]

Product Change Notice (1)

Copper Wire Conversion for Microcontroller and Microprocessor Devices[PCN16235]

Reference Manual (2)

M68HC05 Applications Guide[M68HC05AG]

HC05 Family - Understanding Small Microcontrollers[M68HC05TB]

Technical Notes (5)

Use of OSC2/XTAL as a Clock Output on Freescale Semiconductor Microcontrollers[EB396]

RAM Data Retention Considerations for Freescale Semiconductor Microcontrollers[EB349]

The MCAN Module[EB421]

Resetting MCUs[EB413]

Frequently Asked Questions and Answers for the M68HC05 Family MCAN Module[EB181]

Design Resources

Design Files

Software

Filter by

Example routines

Old bootloader files

HC05 Software Example: Home Thermostat example using the 705C8 with indoor/outdoor temperature and time of day

DOS based freeware assembler

Filter By

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