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68HC05RC18: Microcontroller

 

The MC68HC05RC18 is a general-purpose, low-cost addition to the M68HC05 Family of microcontroller units (MCUs) and is suitable for remote control applications. It contains the HC05 central processing unit (CPU) core, including the 14-stage core timer with real-time interrupt (RTI) and computer operating properly (COP) watchdog systems. The MC68HC05RC18 is available in a 28-pin small outline integrated circuit (SOIC) package, a 29-pin dual-in-line package (DIP), or a 44-pin plastic leaded chip carrier (PLCC). Four additional I/O lines are available for bond out in higher pin count packages.
Page Contents
68HC05RC18 Features

  • Low Cost HC05 Core
  • 28-Pin SOIC, 28-Pin DIP, or 44-Pin PLCC Packages
  • On-Chip Oscillator with Crystal/Ceramic Resonator
  • 4.2-MHz Maximum Oscillator Frequency at 2.2 to 5.0 Volt Supply
  • Fully Static Operation
  • 16k Bytes of User ROM
  • 64 Bytes of Burn-In ROM
  • 352 Bytes of On-Chip RAM
  • 14-Stage Core Timer with Real-Time Interrupt (RTI) and Computer Operating Properly (COP) Watchdog Circuits
  • Carrier Modulator Transmitter (CMT) Supporting Baseband, Pulse Length Modulator (PLM), and Frequency Shift Keying (FSK) Protocols
  • Low-Power Reset Pin
  • 20 Bidirectional Input/Output (I/O) Lines (Four Additional I/O Lines Available for Bond Out in Higher Pin Count Packages)
  • Mask Programmable Interrupts and Pullups on Eight Port Pins (PB0&endash;PB7)
  • High-Current Infrared (IR) Drive Pin
  • High-Current Port Pins (PC0&endash;PC3)
  • Power-Saving Stop and Wait Modes
  • Mask Selectable Options:
    • COP Watchdog Timer
    • STOP Instruction Disable
    • Edge-Sensitive or Edge- and Level-Sensitive Interrupt Trigger
    • Port B Interrupts for Keyscan, with Two Optional Pullup Strengths

 

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68HC05RC18 Parametrics

ROM
(KBytes)
RAM
(Bytes)
Timer
I/O
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
16
352
I.R. Timer
20
2.2, 5.0
2.1

 

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68HC05RC18 Documentation
Document ID Document Title
HC05RC18GRS/D 68HC05RC18 and 68HC05RC9 General Release Specification
68HC05APPNOTES Table of 68HC05 Applications Notes
M68HC05AG/AD M68HC05 Applications Guide
M68HC05TB/D HC05 Family - Understanding Small Microcontrollers

 

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68HC05RC18 Design Tools and Data
ID Name
ICS0508 ICS0508 Development Tool
M68MMPFB0508 MMEVS Modular Evaluation System
M68MMDS0508 MMDS0085 Emulator System

 

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68HC05RC18 Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC05RC18P 28-Pin Plastic Dual In-Line Package (DIP) 0 to +70 C
MC68HC05RC18DW 28-Pin Small Outline Integrated Ciruit Package (SOIC) 0 to +70 C
MC68HC05RC18FN 44-Pin Plastic Leaded Chip Carrier (PLCC) 0 to +70 C

 

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