68HC705JJ7|8-bit Microcontroller (MCU)

68HC705JJ7|8-bit Microcontroller (MCU) | NXP Semiconductors

For best experience this site requires Javascript to be enabled. To enable on your browser, follow our accessibility instructions.

Roll over image to zoom in

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

Part Show description	Order	CAD Model	Status
MC705JJ7CDWE Data Sheet			End of Life

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, 202041.3 KBSAMPPROGCOD

Account Required
DownloadToggle Dropdown
- Add to Queue
- Remove from Queue
- Recommended for large file sizes.
- View Queue
Code Snippets
HC05 Software Example: Home Thermostat example using the 705C8 with indoor/outdoor temperature and time of day

ZIPRev 0Oct 5, 202017.2 KBC8THERMSW

Account Required
DownloadToggle Dropdown
- Add to Queue
- Remove from Queue
- Recommended for large file sizes.
- View Queue
Code Snippets
DOS based freeware assembler

ZIPRev 0Aug 6, 200261.0 KBASHC5ASM

Account Required
DownloadToggle Dropdown
- Add to Queue
- Remove from Queue
- Recommended for large file sizes.
- View Queue
Libraries
IEC 60730 Safety Standard for Household Appliances

Download Options
Debugging and Visualization Tools
FreeMASTER Run-Time Debugging Tool

Download Options

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

Shopping cart

8-bit Microcontroller (MCU)

Buy/Parametrics

Documentation

Filter by

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]

Filter by