68HC705C8A|8-bit Microcontroller (MCU)

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The 68HC705C8a microcomputer (MCU) is a member of Our M68HC05 family of low-cost single-chip microcomputers. This 8-bit MCU includes keyboard scanning logic, a high current pin, a COP watchdog timer, and read-only (ROM) security feature.

Application Notes

Product Details

Block Diagram

Washer Machines Microcontrollers for M68HC05 Family Block Diagram

Get diagram PDF

Features

68HC05 CPU
- 8Kbytes EPROM
- 304 bytes RAM
Timer System
- 16-bit Capture/Compare Timer system
- Computer Operating Properly Watchdog Timer
24 Bidirectional I/O Lines and 7 Input-Only lines
On-Chip Oscillator with Crystal/Ceramic Resonator
Fully Static Operation
Serial Communications
- Asynchronous Serial Communications Interface (SCI)
- Synchronous Serial Peripheral Interface (SPI)

Documentation

Quick reference to our documentation types.

1-5 of 47 documents

^{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}
J1850 Multiplex Bus Communication Using the MC68HC705C8 and the SC371016 J1850 Communications Interface (JCI)

PDFRev 1Nov 13, 2001853.1 KBAN1212EnglishAssociated File: AN1212SW
^{Application Note}
Interfacing the MC68HC05C5 SIOP to an I2C Peripheral

PDFRev 1Nov 1, 2001613.1 KBAN1066English
^{Application Note}
Data Structures for 8-Bit Microcontrollers

PDFRev 1May 7, 2001692.9 KBAN1752English
^{Application Note}
Local Interconnect Network (LIN) Demonstration

PDFRev 0Dec 1, 20001.7 MBAN2103English
^{Application Note}
Digital Captive Discharge Ignition System Using HC05/HC08 8-Bit Microcontrollers

PDFRev 0Mar 27, 2000351.8 KBAN4006English
^{Application Note}
Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers

PDFRev 0Jan 1, 2000456.1 KBAN1050English
^{Application Note}
Software I2C Communications

PDFRev 0Jan 1, 1999488.6 KBAN1820EnglishAssociated File: AN1820SW
^{Application Note}
Noise Reduction Techniques for Microcontroller-Based Systems

PDFRev 0Jan 1, 1999439.7 KBAN1705English
^{Application Note}
Interfacing the MC68HC705C8A to the DS2430A 256-Bit 1-Wire EEPROM

PDFRev 0Jan 1, 1998743.2 KBAN1755English
^{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}
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}
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 MC68HC705C8A to the X76F041 PASS SecureFlash

PDFRev 0Jan 1, 19981.0 MBAN1761English
^{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}
Interfacing the M68HC05 MCU to the MC145051 A/D Converter

PDFRev 2Jan 1, 19971.7 MBAN1228.PDFEnglishAssociated File: AN1228SW
^{Application Note}
Using 9346 Series Serial EEPROMs with 6805 Series Microcontrollers

PDFRev 1Jan 1, 19971.5 MBAN1227EnglishAssociated File: AN1227SW
^{Application Note}
Let the MC68HC705 Program Itself

PDFRev 0Jul 1, 1996818.8 KBAN499English
^{Application Note}
Adding a Voice User Interface to M68HC05 Applications

PDFRev 0Jan 1, 1996990.0 KBAN1292EnglishAssociated File: AN1292SW
^{Application Note}
Use of the 68HC705C8A in Place of a 68HC705C8

PDFRev 4Jan 1, 1996379.5 KBAN1226English
^{Application Note}
Variations in the M68HC(7)05Cx Family

PDFRev 0Jan 1, 1996556.5 KBAN1298English
^{Application Note}
Simple Real-Time Kernels for M68HC05 Microcontrollers

PDFRev 0Jan 1, 1995589.2 KBAN1262English
^{Application Note}
Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers

PDFRev 0Jan 1, 1995283.9 KBAN1263English
^{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}
Interfacing the HC05 MCU to a Multichannel Digital-to-Analog Converter Using the MC68HC705C8A and the MC68HC705J1A

PDFRev 1.1Jan 1, 1995913.5 KBAN1256EnglishAssociated File: AN1256SW
^{Application Note}
MC68HC05SR3 and MC68HC705SR3 Design Notes

PDFRev 0Jan 1, 19943.7 MBAN-HK-22English
^{Application Note}
MC6805R3 and MC68HC05SR3 Technical Comparison

PDFRev 0Jan 1, 1994875.8 KBAN-HK-23English
^{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}
68HC05K0 Infra-red Remote Control

PDFRev 0Jan 1, 1992794.0 KBAN463English
^{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}
MC68HC05B4 Radio Synthesizer

PDFRev 0Jan 1, 19882.3 MBANE416English
^{Application Note Software}
Software Files for AN1222 zipped

ZIPRev 0Jan 1, 199521.5 KBAN1222SWEnglish
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^{Application Note Software}
Software files for AN1212 zipped (exe file included)

ZIPRev 0Jan 1, 19923.4 MBAN1212SWEnglish
Sign in required

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Design Resources

Software

Quick reference to our software types.

1 software offerings

^{Configuration Tools}
[Archive]:Windows upgrades for P&E's simulator software for 68HC05

By P & E Microcomputer Systems, Inc Gold Partner

Microcontroller

Product Details

Block Diagram

Washer Machines Microcontrollers for M68HC05 Family Block Diagram

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