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68HC05B8: Microcontroller

 

The 68HC05B8 offers EEPROM memory and more I/O including Analog to Digital Convertors (ADC), Pulse Width Modulators (PWM), and Serial Communications (SCI+).
Page Contents
68HC05B8 Features

  • 68HC05 CPU
    • 7.25K bytes ROM
    • 176 bytes RAM
    • 256 bytes of Byte Eraseable EEPROM
  • Timer System
    • 16-bit Timer with Two Input Captures and Two Output Compare
    • Two Pulse Width Modulation Channels can be used as D/A Converters
    • Computer Operating Properly Watchdog Timer
  • 8 Channel Analog to Digital Converter (ADC)
  • 24 Bidirectional I/O Lines and 8 Input Only Lines
  • On-Chip Oscillator with Crystal/Ceramic Resonator
  • Serial Communications
    • Asynchronous Serial Communications Interface with Synchronous Master Transmit Capability (SCI+)
  • Fully Static Operation
  • Power Saving STOP and WAIT Modes
  • Selectable Sensitivity on IRQ Interrupt
    • Edge and Level Sensitive or Edge Sensitive Only
  • 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
    • 56 Pin Shrink Dual Inline Package (SDIP)
    • 52 Lead Plastic-Leaded Chip Carrier (PLCC)
    • 64 Lead Quad Flat Pack (QFP)

       

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68HC05B8 Parametrics

ROM
(KBytes)
RAM
(Bytes)
EEPROM
(Bytes)
Timer
I/O
Serial
A/D
PWM
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
7
176
256
16-Bit, 2 I/C, 2 O/C
32
SCI
8-CH, 8-Bit
2-CH, 8-Bit
3.3, 5.0
4.0

 

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68HC05B8 Documentation
Document ID Document Title
MC68HC05B6/D MC68HC05B4/705B5/05B6/05B8/(7)05B16/705B16N/(7)05B32 Technical Data
68HC05APPNOTES Table of 68HC05 Applications Notes
M68HC05AG/AD M68HC05 Applications Guide
M68HC05TB/D HC05 Family - Understanding Small Microcontrollers

 

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68HC05B8 Design Tools and Data
ID Name
ICS0508 ICS0508 Development Kit
M68MMPFB0508 MMEVS Modular Evaluation System
M68MMDS0508 MMDS0508 Emulator System

 

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68HC05B8 Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC05B8FN 52-Pin Plastic Leaded Chip Carrier (PLCC) 0 to +70 C
MC68HC05B8CFN 52-Pin Plastic Leaded Chip Carrier (PLCC) -40 to +85 C
MC68HC05B8VFN 52-Pin Plastic Leaded Chip Carrier (PLCC) -40 to +105 C
MC68HC05B8MFN 52-Pin Plastic Leaded Chip Carrier (PLCC) -40 to +125 C
MC68HC05B8FU 64-Pin Quad Flat Pack (QFP) 0 to +70 C
MC68HC05B8CFU 64-Pin Quad Flat Pack (QFP) -40 to +85 C
MC68HC05B8VFU 64-Pin Quad Flat Pack (QFP) -40 to +105 C
MC68HC05B8MFU 64-Pin Quad Flat Pack (QFP) -40 to +125 C
MC68HC05B8B 56-Pin Shrink Dual In-Line Package (SDIP) 0 to +70 C
MC68HC05B8CB 56-Pin Shrink Dual In-Line Package (SDIP) -40 to +85 C
MC68HC05B8VB 56-Pin Shrink Dual In-Line Package (SDIP) -40 to +105 C
MC68HC05B8MB 56-Pin Shrink Dual In-Line Package (SDIP) -40 to +125 C

 

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