68HC705C9A|8-bit Microcontroller (MCU)

68HC705C9A|8-bit Microcontroller (MCU) | NXP Semiconductors

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The MC68HC705C9A HCMOS microcomputer is a member if the M68HC05 Family. The MC68HC705C9A is the EPROM version of the MC68HC05C9A and can also be configuerd as the EPROM version of the MC68HC05C12A. The MC68HC705C9A memory map consists of 12,092 bytes of user EPROM and 176 bytes of RAM when configured as an MC68HC05C9A. The MC68HC705C9A includes a serial communications interface, a serial peripheral interface, and a 16-bit capture/compare timer.

Data Sheet

Reference Manual

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Design Resources

Design Files

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Software

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5 software files

Code Snippets
Example routines

ZIPRev 0Oct 5, 202041.3 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, 202017.2 KBC8THERMSW

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Code Snippets
DOS based freeware assembler

ZIPRev 0Aug 6, 200261.0 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)

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Application Note (44)

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]

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]

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

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]

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]

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

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

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 (13)

Software for AN1667, zip format[AN1667SW]

AN2159SW[AN2159SW]

Software files for AN1745 zipped[AN1745SW]

Software files for AN1820 zipped[AN1820SW]

Software for AN1228 zippedr[AN1228SW]

Software files for AN1734 zipped[AN1734SW]

Software files zipped for AN1227[AN1227SW]

Software files for AN1292 zipped[AN1292SW]

Software Files for AN1222 zipped[AN1222SW]

Software files for AN1262[AN1262SW]

Software files for AN1256 zipped[AN1256SW]

Software Files for AN1060 zipped[AN1060SW]

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

Data Sheet (1)

MC68HC705C9A Advance Information - Data Sheet[MC68HC705C9A]

Errata (1)

68HC705C9A Device Information Sheet: 2F63J/3F63J Mask Sets[68HC705C9AMSE1]

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]