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68HC705KJ1: Microcontroller

 

The MC68HC05KJ1 is a member of Motorola's low-cost, high-performance M68HC05 Family of 8-bit microcontroller units (MCUs).These 16 and 20-pin families provide a low-cost, low pin count, 8-bit upgrade for existing 4-bit applications. They combine a powerful 68HC05 CPU with a flexible, 15-stage multifunction timer and real-time interrupt capability. The 68HC705KJ1 is Motorola's most cost effective One Time Programmable (OTP) microcontroller.
Page Contents
68HC705KJ1 Features

  • Low Cost Yet Powerful HC05 Core
    • Easy to Learn Instructions Including Multiply
  • 1,240 bytes EPROM/OTP
  • Selectable EPROM Security
  • 64 bytes RAM
  • 4 Mhz Standard Internal Operating Frequency at 5V
  • Designed for Robust Noise Immunity
  • Memory Mapped I/O Registers
  • 10 Bidirectional I/O Lines
    • 10 mA Sink Capability on All I/O Pins
    • Software Programmable Pulldowns on all Pins
    • Keyboard Interrupt Capability on Four Pins
    • 5.5mA Source Capability on Six I/O Pins
  • Vectored Interrupts
    • Selectable Edge and Level Sensitive or Edge Sensitive Only
  • 15 Stage Multifunction Timer
    • 8-bit Timer with 7-bit Prescaler
    • Four-stage Selectable Periodic Real-Time Interrupt Generator
    • Computer Operating Properly Watchdog
  • On-Chip Oscillator
    • Crystal or Ceramic Resonator Option (MC68HC705KJ1)
    • RC Oscillator Option (MC68HRC705KJ1)
    • Componentless Option (MC68HRC705KJ1)
  • Selectable Internal Oscillator Bias Resistor (approximately 2M ohms)
  • Internal Steering Diode and Pullup Resistor on RESET pin to Vdd
  • Illegal Address Reset
  • Fully Static Low Power Operation with No Minimum Clock Speed
  • Power Saving STOP, WAIT and Data Retention Modes
  • Vdd, Vss Pins Adjacent for Easy By-Pass Capacitor Connection
  • Comprehensive Development Support
    • Low Cost In-Circuit Simulator/Programmer (M68ICS05KJ)
    • Cost Effective Real-Time In-Circuit Emulator (KITMMEVS05KJ)
    • High Performance Real-Time In-Circuit Emulator (KITMMDS05KJ)
    • Broad 3rd Party Software and Hardware Support
  • 16-Pin DIP (DIP) or 16-pin Small Outline Integrated Circuit (SOIC)

 

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68HC705KJ1 Parametrics

RAM
(Bytes)
EPROM/OTP
(Bytes)
Timer
I/O
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
64
1.2K
MFT, RTI
10
3.3, 5.0
4.0

 

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68HC705KJ1 Documentation
Document ID Document Title
MC68HC705KJ1/D 68HC705KJ1 Technical Data Book
68HC05APPNOTES Table of 68HC05 Applications Notes

 

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68HC705KJ1 Design Tools and Data
ID Name
ICS0508 ICS0508 Development System
M68MMPFB0508 MMEVS Modular Evaluation System
M68MMDS0508 MMDS0508 Emulator System

 

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68HC705KJ1 Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC705KJ1C 16-Pin Plastic Dual In-Line Package (PDIP) -40 to +85 C
MC68HC705KJ1CDW 16-Pin Small Outline Integrated Circuit (SOIC) -40 to +85 C
MC68HC705KJ1CS 16-Pin Ceramic Dual In-Line Package (Cerdip) -40 to +85 C

 

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