68HC705C8A|8-bit Microcontroller (MCU)

68HC705C8A|8-bit Microcontroller (MCU) | NXP Semiconductors

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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.

1-10 of 47 documents

Compact List

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
J1850 Multiplex Bus Communication Using the MC68HC705C8 and the SC371016 J1850 Communications Interface (JCI)[AN1212]

PDFNov 13, 2001Rev 1
Interfacing the MC68HC05C5 SIOP to an I2C Peripheral[AN1066]

PDFNov 1, 2001Rev 1
Data Structures for 8-Bit Microcontrollers[AN1752]

PDFMay 7, 2001Rev 1
Local Interconnect Network (LIN) Demonstration[AN2103]

PDFDec 1, 2000Rev 0
Digital Captive Discharge Ignition System Using HC05/HC08 8-Bit Microcontrollers[AN4006]

PDFMar 27, 2000Rev 0
Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers[AN1050]

PDFJan 1, 2000Rev 0
Software I2C Communications[AN1820]

PDFJan 1, 1999Rev 0
Noise Reduction Techniques for Microcontroller-Based Systems[AN1705]

PDFJan 1, 1999Rev 0
Interfacing the MC68HC705C8A to the DS2430A 256-Bit 1-Wire EEPROM[AN1755]

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
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
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 MC68HC705C8A to the X76F041 PASS SecureFlash[AN1761]

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
Interfacing the M68HC05 MCU to the MC145051 A/D Converter[AN1228.PDF]

PDFJan 1, 1997Rev 2
Using 9346 Series Serial EEPROMs with 6805 Series Microcontrollers[AN1227]

PDFJan 1, 1997Rev 1
Let the MC68HC705 Program Itself[AN499]

PDFJul 1, 1996Rev 0
Adding a Voice User Interface to M68HC05 Applications[AN1292]

PDFJan 1, 1996Rev 0
Use of the 68HC705C8A in Place of a 68HC705C8[AN1226]

PDFJan 1, 1996Rev 4
Variations in the M68HC(7)05Cx Family[AN1298]

PDFJan 1, 1996Rev 0
Simple Real-Time Kernels for M68HC05 Microcontrollers[AN1262]

PDFJan 1, 1995Rev 0
Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers[AN1263]

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

PDFJan 1, 1995Rev 0
Interfacing the HC05 MCU to a Multichannel Digital-to-Analog Converter Using the MC68HC705C8A and the MC68HC705J1A[AN1256]

PDFJan 1, 1995Rev 1.1
MC68HC05SR3 and MC68HC705SR3 Design Notes[AN-HK-22]

PDFJan 1, 1994Rev 0
MC6805R3 and MC68HC05SR3 Technical Comparison[AN-HK-23]

PDFJan 1, 1994Rev 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
68HC05K0 Infra-red Remote Control[AN463]

PDFJan 1, 1992Rev 0
Driving LCDs with M6805 Microprocessors[AN442]

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

PDFJan 1, 1990Rev 0
MC68HC05B4 Radio Synthesizer[ANE416]

PDFJan 1, 1988Rev 0

Show All

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

To find a complete list of our partners that support this product, please see our Partner Marketplace.

Microcontroller

Product Details

Block Diagram

Washer Machines Microcontrollers for M68HC05 Family Block Diagram

Features

Documentation

Filter by

Application Note (45)

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]

J1850 Multiplex Bus Communication Using the MC68HC705C8 and the SC371016 J1850 Communications Interface (JCI)[AN1212]

Interfacing the MC68HC05C5 SIOP to an I2C Peripheral[AN1066]

Data Structures for 8-Bit Microcontrollers[AN1752]

Local Interconnect Network (LIN) Demonstration[AN2103]

Digital Captive Discharge Ignition System Using HC05/HC08 8-Bit Microcontrollers[AN4006]

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

Software I2C Communications[AN1820]

Noise Reduction Techniques for Microcontroller-Based Systems[AN1705]

Interfacing the MC68HC705C8A to the DS2430A 256-Bit 1-Wire EEPROM[AN1755]

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

Add Addressable Switches to the HC05[AN1758]

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

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

Resetting Microcontrollers During Power Transitions[AN1744]

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

Interfacing the MC68HC705C8A to the X76F041 PASS SecureFlash[AN1761]

Interfacing the HC705C8A to an LCD Module[AN1745]

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

Interfacing the M68HC05 MCU to the MC145051 A/D Converter[AN1228.PDF]

Using 9346 Series Serial EEPROMs with 6805 Series Microcontrollers[AN1227]

Let the MC68HC705 Program Itself[AN499]

Adding a Voice User Interface to M68HC05 Applications[AN1292]

Use of the 68HC705C8A in Place of a 68HC705C8[AN1226]

Variations in the M68HC(7)05Cx Family[AN1298]

Simple Real-Time Kernels for M68HC05 Microcontrollers[AN1262]

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

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

Interfacing the HC05 MCU to a Multichannel Digital-to-Analog Converter Using the MC68HC705C8A and the MC68HC705J1A[AN1256]

MC68HC05SR3 and MC68HC705SR3 Design Notes[AN-HK-22]

MC6805R3 and MC68HC05SR3 Technical Comparison[AN-HK-23]

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]

68HC05K0 Infra-red Remote Control[AN463]

Driving LCDs with M6805 Microprocessors[AN442]

M6805 16-Bit Support Macros[AN1055]

MC68HC05B4 Radio Synthesizer[ANE416]

Application Note Software (2)

Software Files for AN1222 zipped[AN1222SW]

Software files for AN1212 zipped (exe file included)[AN1212SW]