68HC705JJ7|8-bit Microcontroller (MCU)

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The NXP^® MC68HC705JJ7 is a member of the M68HC05JJ and M68HC705JP Families of microcontrollers. All MCUs in the family use the popular M68HC05 central processor unit (CPU) and are available with a variety of subsystems, memory sizes and types, and package types.

Data Sheet

Reference Manual

Buy/Parametrics

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Documentation

Quick reference to our documentation types.

1-10 of 57 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
A/D Conversion Software for the MC68HC05JJ/JP Series Microcontrollers[AN1739]

PDFNov 1, 2001Rev 0
Data Structures for 8-Bit Microcontrollers[AN1752]

PDFMay 7, 2001Rev 1
Low Cost Universal Motor Phase Angle Drive System[AN1662]

PDFMar 13, 2001Rev 0
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
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
Low Cost Universal Motor Sensorless Phase Angle Drive System[AN1663]

PDFJan 1, 1998Rev 0
Add a Unique Silicon Serial Number to the HC05[AN1757]

PDFJan 1, 1998Rev 0
In-Circuit and Emulation Considerations for MC68HC05JJ/JP Series Microcontrollers[AN1741]

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

PDFJan 1, 1998Rev 0
Instruction Cycle Timing of MC68HC05JJ/JP Series Microcontrollers[AN1738]

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

PDFJan 1, 1998Rev 0
Applications Using the Analog Subsystem on MC68HC05JJ/JP Series Microcontrollers[AN1740]

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
Single-Slope Analog-to-Digital (A/D) Conversion[AN1708]

PDFJan 1, 1997Rev 0
Let the MC68HC705 Program Itself[AN499]

PDFJul 1, 1996Rev 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
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

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

MC68HC705JP7, MC68HC705SJ7, MC68HC705SP7, MC68HRC705JJ7, MC68HRC705JP7, Advance Information - Data Sheet[MC68HC705JJ7]

PDFSep 20, 2005Rev 4.1

68HC705JJ7 8-Bit Microcontroller Unit: Mask Set Errata 3 - Errata[68HC705JJ7MSE3]

PDFJan 6, 1999Rev 0
68HC705JJ7MSE2AD/D Device Information Sheet: 0H70H/1H70H Mask Sets[68HC705JJ7MSE2]

PDFAug 27, 1997Rev 0
68HC705JJ7 Device Information Sheet: G58T Mask Sets[68HC705JJ7MSE1]

PDFJun 11, 1996Rev 1

M68HC05 Applications Guide[M68HC05AG]

PDFJan 28, 2003Rev 4
MC68HC05C4, C8, C9, MC68HC705C8, MC68HC805C4, MC68HCL05C4, C8, MC68HSC05C4, C8 Programming Reference[MC68HC05CXRG]

PDFFeb 23, 2000Rev 1
HC05 Family - Understanding Small Microcontrollers[M68HC05TB]

PDFJan 1, 1998Rev 2

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.

5 software files

Code Snippets
Example routines

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

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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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Libraries
IEC 60730 Safety Standard for Household Appliances

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Debugging and Visualization Tools
FreeMASTER Run-Time Debugging Tool

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8-bit Microcontroller (MCU)

Buy/Parametrics

Documentation

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Application Note (43)

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]

A/D Conversion Software for the MC68HC05JJ/JP Series Microcontrollers[AN1739]

Data Structures for 8-Bit Microcontrollers[AN1752]

Low Cost Universal Motor Phase Angle Drive System[AN1662]

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]

Noise Reduction Techniques for Microcontroller-Based Systems[AN1705]

Software I2C Communications[AN1820]

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

Low Cost Universal Motor Sensorless Phase Angle Drive System[AN1663]

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

In-Circuit and Emulation Considerations for MC68HC05JJ/JP Series Microcontrollers[AN1741]

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

Instruction Cycle Timing of MC68HC05JJ/JP Series Microcontrollers[AN1738]

Add Addressable Switches to the HC05[AN1758]

Applications Using the Analog Subsystem on MC68HC05JJ/JP Series Microcontrollers[AN1740]

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]

Single-Slope Analog-to-Digital (A/D) Conversion[AN1708]

Let the MC68HC705 Program Itself[AN499]

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]

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 (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)

MC68HC705JP7, MC68HC705SJ7, MC68HC705SP7, MC68HRC705JJ7, MC68HRC705JP7, Advance Information - Data Sheet[MC68HC705JJ7]

Errata (3)

68HC705JJ7 8-Bit Microcontroller Unit: Mask Set Errata 3 - Errata[68HC705JJ7MSE3]

68HC705JJ7MSE2AD/D Device Information Sheet: 0H70H/1H70H Mask Sets[68HC705JJ7MSE2]

68HC705JJ7 Device Information Sheet: G58T Mask Sets[68HC705JJ7MSE1]

Reference Manual (3)

M68HC05 Applications Guide[M68HC05AG]

MC68HC05C4, C8, C9, MC68HC705C8, MC68HC805C4, MC68HCL05C4, C8, MC68HSC05C4, C8 Programming Reference[MC68HC05CXRG]

HC05 Family - Understanding Small Microcontrollers[M68HC05TB]

Design Resources

Design Files

Software

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Example routines

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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