68HC11 Header

TK68HC11A1 Microcontroller

Request for Product Information

To request information on the TK68HC11A1 Microcontrollers click this button:  Request Information O1


  • 68HC11 CPU
  • Power Saving STOP and WAIT Modes
  • 512 Bytes of On-Chip EEPROM
  • 256 Bytes of On-Chip RAM (All Saved During Standby)
  • 16-Bit Timer System
    • 3 Input Capture Channels
    • 5 Output Compare Channels
  • 8-Bit Pulse Accumulator
  • Real-Time Interrupt Circuit
  • Computer Operating Properly (COP) Watchdog System
  • Synchronous Serial Peripheral Interface (SPI)
  • Asynchronous Non-return to Zero (NRZ) Serial Communications Interface (SCI)
  • 8-Channel, 8-Bit Analog-to-Digital (A/D) Converter
  • 38 General-Purpose Pins
    • 15 Bidirectional I/O Pins
    • 11 Input-Only Pins
    • 12 Output-Only Pins
  • Available in 52-Pin Plastic Leaded Chip Carrier (PLCC)


General Description

The TK68HC11A1 high-performance Microcontroller Units (MCUs) are based on the TK68HC11 Family. These high speed, low power consumption chips have multiplexed buses and a fully static design. The chips can operate at frequencies from 3 MHz to DC.

These devices are designed to be drop-in, pin for pin replacements for other 68HC11A1 devices.


The data sheet is available here:  pdf TK68HC11A1 (464 KB)


Next >