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68HC705C8A: Microcontroller

 

The 68HC05C8A includes keyboard scanning logic, a high current pin, a COP watchdog timer, and read-only (ROM) security feature.
Page Contents
68HC705C8A Features

  • 68HC05 CPU
    • 8Kbytes EPROM
    • 304 bytes RAM
  • Timer System
    • 16-bit Capture/Compare Timer system
    • Computer Operating Properly Watchdog Timer
  • 24 Bidirectional I/O Lines and 7 Input-Only lines
  • On-Chip Oscillator with Crystal/Ceramic Resonator
  • Fully Static Operation
  • Serial Communications
    • Asynchronous Serial Communications Interface (SCI)
    • Synchronous Serial Peripheral Interface (SPI)
  • Power Saving STOP and WAIT Modes
  • User Mode
  • Self-Check Mode
  • Mask Selectable External Interrupt Sensitivity
  • Mask-Programmable Keyscan Logic
  • High Current Sink and Source on One Port Pin C7(PC7)
  • Comprehensive Development Support
    • Cost Effective Real-Time In-Circuit Emulator (MMEVS)
    • High Performance Real-Time In-Circuit Emulator (MMDS)
    • Broad 3rd Party Software and Hardware Support
    •
  • Package Options
    • 40 DIP (P)
    • 42 SDIP (B)
    • 44 PLCC (FN)
      •
    • 44 QFP (FB)

       

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68HC705C8A Parametrics

RAM
(Bytes)
EPROM/OTP
(Bytes)
Timer
I/O
Serial
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
304
8K
16-Bit, 1 I/C, 1 O/C
31
SCI, SPI
3.3, 5.0
4.0

 

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68HC705C8A Documentation
Document ID Document Title
MC68HC705C8A/D 68HC705C8A Technical Data Book
68HC05APPNOTES Table of 68HC05 Applications Notes

 

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68HC705C8A Design Tools and Data
ID Name
ICS0508 ICS05C08 Development System
M68MMPFB0508 MMEVS Modular Evaluation System
M68MMDS0508 MMDS0508 Emulator System

 

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68HC705C8A Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC705C8ACP 40-Pin Plastic Dual In-Line Package (PDIP) -40 to +85 C
MC68HC705C8ACFN 44-Lead Plastic Leaded Chip Carrier (PLCC) -40 to +85 C
MC68HC705C8ACFS 44-Lead Ceramic Leaded Chip Carrier (CLCC) -40 to +85 C
MC68HC705C8ACS 40-Pin Windowed Ceramic Dual In-Line Package (DIP) -40 to +85 C
MC68HC705C8ACFB 44-Lead Quad Flat Pack (QFP) -40 to +85 C
MC68HC705C8ACB 42-Pin Shrink Dual In-Line Package (DIP) -40 to +85 C

 

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