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68HC05BD3: Microcontroller

 

The MC68HC05BD3 HCMOS microcontroller is a member of the M68HC05 Family of low-cost single-chip microcontrollers. This 8-bit microcontroller contains an on-chip oscillator, CPU, RAM, ROM, parallel I/O capability with pins programmable as input or output, M-Bus serial interface system (I2C), Pulse Width Modulator, Multi-Function Timer, and Sync Signal Processor. There features make it particularly suitable as a multi-sync monitor MCU.

Page Contents

68HC05BD3 Features

  • 68HC05 Core
    • 128 Bytes of RAM for HC05BD2
    • 3.75K-Bytes of User ROM for HC05BD2
  • 40-pin DIP and 42-pin SDIP packages
  • 26 Bidirectional I/O lines: 14 dedicated and 12 multiplexed I/O lines. 4 of the 14 dedicated I/O lines and 6 of the 12 multiplexed I/O lines have max. +12V or +5V open-drain output buffers
  • 16 x 8-bit PWM channels: Two 8-bit PWM channels have +12V open-drain outputs: 8 dedicated 8-bit PWM channels have +5V open-drain output options
  • 6-bit ADC with 4 selectable input channels
  • Multi-Function Timer (MFT) with Periodic Interrupt
  • Sync Signal Processor module for processing horizontal, vertical, composite, and SOG SYNC signals; frequency counting; polarity detection; polarity controlled HSYNO and VSYNO or extracted VSYNC outputs, and CLAMP pulse output
  • DDC12AB module contains DDC1 hardware and multi-master I 2 C hardware for DDC2AB protocol
  • Software maskable Edge-Sensitive or Edge and Level-Sensitive External Interrupt
  • COP watchdog Reset
  • Power-On Reset
  • Power Saving WAIT Mode; STOP Mode not implemented

     

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68HC05BD3 Parametrics

ROM
(KBytes)
RAM
(Bytes)
Timer
I/O
Serial
PWM
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
3.75
128
MFT
24
12C
16-CH 8-Bit
5.0
2.1

 

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68HC05BD3 Documentation
Document ID Document Title
MC68HC05BD3D/H MC68HC(7)05BD3/05BD5 Technical Data
68HC05APPNOTES Table of 68HC05 Applications Notes
M68HC05TB/D HC05 Family - Understanding Small Microcontrollers
M68HC05AG/AD M68HC05 Applications Guide

 

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68HC05BD3 Design Tools and Data
ID Name
ICS0508 ICS0508 Development Kit
M68MMPFB0508 MMEVS Modular Evaluation System
M68MMDS0508 MMDS0508 Emulator System

 

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68HC05BD3 Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC05BD3B Shrink Dual In-Line Package (SDIP) 0 to +70 C. Customers must submit their mask ROM code and a specific orderable part number will be issued
MC68HC05BD3P Plastic Dual In-Line Package (PDIP) 0 to +70 C. Customers must submit their mask ROM code and a specific orderable part number will be issued

 

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