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68HC05JB3: Microcontroller

 

The MC68HC05JB3 is a member of the low-cost, high-performance M68HC05 Family of 8-bit microcontroller units (MCUs) designed with a Universal Serial Bus (USB) port. All MCUs in the family use the popular M68HC05 central processor unit (CPU) and are available with a variety of subsystems, memory sizes and types, and package types.
Page Contents
68HC05JB3 Features

  • Industry standard M68HC05 CPU core
  • Memory-mapped Input/Output (I/O) registers
  • 2560 Bytes of user ROM with security function
  • 144 Bytes of user RAM
  • 4 Fully compliant Low Speed USB with 3 Endpoints:
  • 3.3Volt DC output pin for USB pullup resistors
  • Multi-Function Timer
  • 16-Bit Input Capture/Output Compare Timer
  • 19 Bidirectional I/O pins
  • Low Voltage Reset (LVR) circuit
  • Computer Operating Properly (COP) Watchdog reset
  • Power saving STOP and WAIT Modes
  • Available in 20-Pin PDIP and 20-pin SOIC packages
  • Available in 28-Pin PDIP and 28-pin SOIC packages

 

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68HC05JB3 Parametrics

ROM
(KBytes)
RAM
(Bytes)
Timer
I/O
Serial
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
2.5
144
16-Bit, 1I/C, 1O/C, MFT, RTI
19
USB
5.0
3.0

 

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68HC05JB3 Documentation
Document ID Document Title
HC05JB3GRS/H 68HC05JB3 and 68HC705JB3 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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68HC05JB3 Design Tools and Data
ID Name
ICS0508 ICS0508 Development Tool
M68MMPFB0508 MMEVS Modular Evaluation System
M68MMDS0508 MMDS0508 Emulator System

 

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68HC05JB3 Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC05JB3DW Small Outline Integrated Circiut (SOIC) 0 to +70 C. Customers must submit their mask ROM code and a specific orderable part number will be issued
MC68HC05JB3JDW Small Outline Integrated Circuit (SOIC) 0 to +70 C. Customers must submit their mask ROM code and a specific orderable part number will be issued
MC68HC05JB3JP Dual In-Line Package (DIP) 0 to +70 C. Customers must submit their mask ROM code and a specific orderable part number will be issued
MC68HC05JB3P 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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