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
- HC08AS-AZ
- 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.

1-5 of 50 documents

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

PDFRev 4.1Aug 17, 20054.0 MBMC68HC05B6English
^{Reference Manual}
M68HC05 Applications Guide

PDFRev 4Jan 28, 20035.2 MBM68HC05AGEnglish
^{Reference Manual}
HC05 Family - Understanding Small Microcontrollers

PDFRev 2Jan 1, 19983.9 MBM68HC05TBEnglish
^{Application Note}
Designing for Board Level Electromagnetic Compatibility

PDFRev 1Oct 18, 20051.8 MBAN2321English, 中文
^{Application Note}
AN1516 Liquid Level Control Using a Pressure Sensor

PDFRev 4May 16, 2005285.7 KBAN1516English
^{Application Note}
Software SCI Routines with the 16-Bit Timer Module

PDFRev 1Nov 22, 2004124.3 KBAN1818English
^{Application Note}
Migrating from the MC68HC705K1 to the MC68HC705KJ1

PDFRev 0Nov 10, 2003633.0 KBAN1746English
^{Application Note}
MISC Bus Follower Switch Node

PDFRev 0Jul 11, 2002554.5 KBAN1688English
^{Application Note}
Software SCI Implementation to the MISC Communication Protocol

PDFRev 0Jul 10, 2002761.4 KBAN1667EnglishAssociated File: AN1667SW
^{Application Note}
Pulse Generation and Detection with Microcontroller Units

PDFRev 1May 31, 2002697.2 KBAN1067English
^{Application Note}
Using the Serial Peripheral Interface to Communicate Between Multiple Microcomputers

PDFRev 1Jan 28, 2002708.2 KBAN991English
^{Application Note}
Digital Direct Current Ignition System Using HC08 Microcontrollers

PDFRev 0Nov 20, 20011.2 MBAN2159EnglishAssociated File: AN2159SW
^{Application Note}
Basic Servo Loop Motor Control Using the MC68HC05B6 MCU

PDFRev 1Nov 6, 2001448.0 KBAN1120English
^{Application Note}
Local Interconnect Network (LIN) Demonstration

PDFRev 0Dec 1, 20001.7 MBAN2103English
^{Application Note}
Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers

PDFRev 0Jan 1, 2000456.1 KBAN1050English
^{Application Note}
Noise Reduction Techniques for Microcontroller-Based Systems

PDFRev 0Jan 1, 1999439.7 KBAN1705English
^{Application Note}
Software I2C Communications

PDFRev 0Jan 1, 1999488.6 KBAN1820EnglishAssociated File: AN1820SW
^{Application Note}
Expanding Digital Input with an A/D Converter

PDFRev 1Jan 1, 1998459.0 KBAN1775English
^{Application Note}
Add a Unique Silicon Serial Number to the HC05

PDFRev 0Jan 1, 1998669.6 KBAN1757English
^{Application Note}
Precision Sine-Wave Tone Synthesis Using 8-Bit MCUs

PDFRev 0Jan 1, 1998857.7 KBAN1771English
^{Application Note}
Add Addressable Switches to the HC05

PDFRev 0Jan 1, 1998433.5 KBAN1758English
^{Application Note}
Resetting Microcontrollers During Power Transitions

PDFRev 0Jan 1, 1998482.4 KBAN1744English
^{Application Note}
Pulse Width Modulation Using the 16-Bit Timer

PDFRev 0Jan 1, 1998398.4 KBAN1734EnglishAssociated File: AN1734SW
^{Application Note}
Interfacing the HC705C8A to an LCD Module

PDFRev 0Jan 1, 1998570.3 KBAN1745EnglishAssociated File: AN1745SW
^{Application Note}
Interfacing MC68HC05 Microcontrollers to the IBM AT Keyboard Interface

PDFRev 0Oct 30, 1997643.1 KBAN1723English
^{Application Note}
Adding a Voice User Interface to M68HC05 Applications

PDFRev 0Jan 1, 1996990.0 KBAN1292EnglishAssociated File: AN1292SW
^{Application Note}
Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers

PDFRev 0Jan 1, 1995283.9 KBAN1263English
^{Application Note}
Simple Real-Time Kernels for M68HC05 Microcontrollers

PDFRev 0Jan 1, 1995589.2 KBAN1262English
^{Application Note}
AN1259: System Design and Layout Techniques for Noise Reduction in MCU-Based Systems – Application Note

PDFRev 0Jan 1, 1995347.8 KBAN1259English
^{Application Note}
Simple A/D for MCUs without Built-In A/D Converters

PDFRev 0Jan 1, 1993926.5 KBAN477English
^{Application Note}
Software Driver Routines for the MC68HC05 CAN Module

PDFRev 0Jan 1, 19933.4 MBAN464English
^{Application Note}
Arithmetic Waveform Synthesis with the HC05/08 MCUs

PDFRev 0Jan 1, 1993571.8 KBAN1222EnglishAssociated File: AN1222SW
^{Application Note}
Driving LCDs with M6805 Microprocessors

PDFRev 0Jan 1, 199175.1 KBAN442English
^{Application Note}
M6805 16-Bit Support Macros

PDFRev 0Jan 1, 19901.4 MBAN1055EnglishAssociated File: AN1055SW
^{Application Note}
Serial Bootstrap for the RAM and EEPROM1 of the MC68HC05B6

PDFRev 0Jan 1, 19901.1 MBAN434English
^{Application Note}
Temperature Measurement and Display Using the MC68HC05B4 and the MC14489

PDFRev 0Jan 1, 19901.8 MBAN431English
^{Application Note}
Monitor Program for the MC68HC05B6 Microcomputer Unit

PDFRev 0Jan 1, 19881.8 MBANE420English
^{Application Note Software}
Software for AN1667, zip format

ZIPRev 1.0Jul 31, 200295.9 KBAN1667SWEnglish
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^{Application Note Software}
AN2159SW

ZIPRev 1Mar 8, 2002186.6 KBAN2159SWEnglish
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^{Application Note Software}
Software files for AN1820 zipped

ZIPRev 0Jan 1, 19982.2 KBAN1820SWEnglish
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^{Application Note Software}
Software files for AN1734 zipped

ZIPRev 0Jan 1, 19972.7 KBAN1734SWEnglish
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^{Application Note Software}
Software files for AN1292 zipped

ZIPRev 0Jan 1, 1996221.1 KBAN1292SWEnglish
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^{Application Note Software}
Software Files for AN1222 zipped

ZIPRev 0Jan 1, 199521.5 KBAN1222SWEnglish
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^{Application Note Software}
Software files for AN1262

ZIPRev 0Jan 1, 199511.7 KBAN1262SWEnglish
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^{Engineering Bulletin}
Use of OSC2/XTAL as a Clock Output on Freescale Semiconductor Microcontrollers

PDFRev 0Jun 19, 2002239.6 KBEB396English
^{Engineering Bulletin}
RAM Data Retention Considerations for Freescale Semiconductor Microcontrollers

PDFRev 1Jun 22, 2000250.5 KBEB349English
^{Engineering Bulletin}
The MCAN Module

PDFRev 0Feb 23, 2000279.1 KBEB421English
^{Engineering Bulletin}
Resetting MCUs

PDFRev 0Jan 1, 2000293.5 KBEB413English
^{Engineering Bulletin}
Frequently Asked Questions and Answers for the M68HC05 Family MCAN Module

PDFRev 0Jan 1, 1997464.2 KBEB181English
^{Product Change Notice}
Copper Wire Conversion for Microcontroller and Microprocessor Devices

HTMRev 0May 20, 2014311.5 KBPCN16235English

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Design Resources

Software

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4 software files

^{Code Snippets}
Example routines

ZIPRev 0Oct 5, 2020 10:19:0041.3 KBSAMPPROGCOD
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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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8-bit Microcontroller (MCU)

Product Details

Features

Documentation

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Design Resources

Software

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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

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