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68HC05K0: Microcontroller

 

The MC68HC05K0 is a member of Motorola's low-cost, high-performance M68HC05 Family of 8-bit microcontroller units (MCUs). 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

Page Contents

68HC05K0 Features

  • M68HC05 CPU
  • Memory-Mapped Input/Output (I/O) Registers
  • 504 Bytes of User ROM Including 8 User Vector Locations
  • 32 Bytes of User RAM
  • 64-Bit Personality EPROM/OTPROM (MC68HC05K1 Only)
  • 10 Bidirectional I/O Pins with the following features:
    • Software Programmable Pulldown Devices
    • 4 I/O Pins with 8 mA Current Sinking Capability
    • 4 I/O Pins with Maskable External Interrupt Capability
  • Hardware Mask and Flag for External Interrupts
  • Fully Static Operation with No Minimum Clock Speed
  • On-Chip Oscillator with Connections for a Crystal/Ceramic Resonator or for a Mask-Optional 2-Pin or 3-Pin Resistor-Capacitor (RC) Oscillator
  • Computer Operating Properly (COP) Watchdog
  • 15-Bit Multifunction Timer with Real-Time Interrupt Circuit
  • Power-Saving Stop, Wait/Halt, and Data-Retention Modes
  • 8 X 8 Unsigned Multiply Instruction
  • Illegal Address Reset
  • Low-Voltage Reset
  • 16-Pin Plastic Dual In-Line Package (PDIP)
  • 16-Pin Small Outline Integrated Circuit Package (SOIC)

 

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68HC05K0 Parametrics

ROM
(KBytes)
RAM
(Bytes)
Timer
I/O
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
0.5
32
MFT, RTI
10
2.1, 3.0, 3.3, 5.0
4.0

 

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68HC05K0 Documentation
Document ID Document Title
MC68HC05K1/D 68HC05K0 and 68HC05K1 Technical Data Book
68HC05APPNOTES Table of 68HC05 Applications Notes
M68HC05AG/AD M68HC05 Applications Guide
M68HC05TB/D HC05 Family - Understanding Small Microcontrollers

 

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68HC05K0 Design Tools and Data
ID Name
ICS0508 ICS0508 Development Tool
M68MMPFB0508 MMEVS Modular Evaluation System
M68MMDS0508 MMDS0508 Emulator System

 

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68HC05K0 Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC05K0P 16-Pin Plastic Dual In-Line Package (PDIP) 0 to +70 C
MC68HC05K0CP 16-Pin Plastic Dual In-Line Package (PDIP) -40 to +85 C
MC68HC05K0VP Plastic Dual In-Line Package (PDIP) -40 to +105 C
MC68HC05K0DW 16-Pin Small Outline Integrated Circuit (SOIC) 0 to +70 C
MC68HC05K0CDW Small Outline Integrated Circuit (SOIC) -40 to +85 C
MC68HC05K0VDW Small Outline Integrated Circuit (SOIC) -40 to +105 C

 

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