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The MC68HC705D32A, with 16K bytes of masked ROM, is a member of the NXP^® M68HC05 family of advanced HCMOS 8-bit single chip microcomputers. Based around the industry standard M68HC05 CPU core and its familiar, efficient instruction set, this device includes five 6-bit pulse width modulation (PWM) channels, a serial communications interface (SCI), computer operating properly (COP) watchdog timer, high current output port capable of driving LEDs and a 16-bit timer with input capture and output compare.

Data Sheet

Reference Manual

Documentation

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1-10 of 22 documents

Compact List

MISC Bus Follower Switch Node[AN1688]

PDFJul 11, 2002Rev 0
Software SCI Implementation to the MISC Communication Protocol[AN1667]

PDFJul 10, 2002Rev 0
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
Let the MC68HC705 Program Itself[AN499]

PDFJul 1, 1996Rev 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
Software Driver Routines for the MC68HC05 CAN Module[AN464]

PDFJan 1, 1993Rev 0
68HC05K0 Infra-red Remote Control[AN463]

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

PDFJan 1, 1991Rev 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

MC68HC05D9, MC68HC05D24, MC68HC05D32, MC68HC705D32, HCMOS Microcontroller Unit - Data Sheet[MC68HC05D9]

PDFJan 1, 1998Rev 3

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

Use of OSC2/XTAL as a Clock Output on Freescale Semiconductor Microcontrollers[EB396]

PDFJun 19, 2002Rev 0
RAM Data Retention Considerations for Freescale Semiconductor Microcontrollers[EB349]

PDFJun 22, 2000Rev 1
The MCAN Module[EB421]

PDFFeb 23, 2000Rev 0
Resetting MCUs[EB413]

PDFJan 1, 2000Rev 0
Frequently Asked Questions and Answers for the M68HC05 Family MCAN Module[EB181]

PDFJan 1, 1997Rev 0
Differences between the MC68HC705B16 and the MC68HC705B16N[EB180]

PDFJan 1, 1996Rev 0

Design Resources

Software

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2 software files

Code Snippets
HC05 Software Example: Home Thermostat example using the 705C8 with indoor/outdoor temperature and time of day

ZIPRev 0Oct 5, 2020 10:19:0016.82 KBC8THERMSW

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Code Snippets
DOS based freeware assembler

ZIPRev 0Aug 6, 2002 00:00:0059.55 KBASHC5ASM

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Microcontroller

Documentation

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Application Note (11)

MISC Bus Follower Switch Node[AN1688]

Software SCI Implementation to the MISC Communication Protocol[AN1667]

Using the Serial Peripheral Interface to Communicate Between Multiple Microcomputers[AN991]

Digital Direct Current Ignition System Using HC08 Microcontrollers[AN2159]

Let the MC68HC705 Program Itself[AN499]

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

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

Software Driver Routines for the MC68HC05 CAN Module[AN464]

68HC05K0 Infra-red Remote Control[AN463]

Driving LCDs with M6805 Microprocessors[AN442]

MC68HC05B4 Radio Synthesizer[ANE416]

Application Note Software (2)

Software for AN1667, zip format[AN1667SW]

AN2159SW[AN2159SW]

Data Sheet (1)

MC68HC05D9, MC68HC05D24, MC68HC05D32, MC68HC705D32, HCMOS Microcontroller Unit - Data Sheet[MC68HC05D9]

Reference Manual (2)

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

HC05 Family - Understanding Small Microcontrollers[M68HC05TB]

Technical Notes (6)

Use of OSC2/XTAL as a Clock Output on Freescale Semiconductor Microcontrollers[EB396]

RAM Data Retention Considerations for Freescale Semiconductor Microcontrollers[EB349]

The MCAN Module[EB421]

Resetting MCUs[EB413]

Frequently Asked Questions and Answers for the M68HC05 Family MCAN Module[EB181]

Differences between the MC68HC705B16 and the MC68HC705B16N[EB180]

Design Resources

Software

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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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