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TK68HC11 E Series

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Features

Features of the E-series devices include:

  • TK68HC11 CPU
  • Power-saving stop and wait modes
  • Low-voltage devices available (3.0–5.5 Vdc)
  • 0, 256, 512, or 768 bytes of on-chip RAM, data retained during standby
  • 0, 12, or 20 Kbytes of on-chip ROM or EPROM
  • 0, 512, or 2048 bytes of on-chip EEPROM with block protect for security
  • 2048 bytes of EEPROM with selectable base address in the TK68HC811E2
  • Asynchronous non-return-to-zero (NRZ) serial communications interface (SCI)
  • Additional baud rates available on TK68HC(7)11E20
  • Synchronous serial peripheral interface (SPI)
  • 8-channel, 8-bit analog-to-digital (A/D) converter
  • 16-bit timer system:
    • Three input capture (IC) channels
    • Four output compare (OC) channels
    • One additional channel, selectable as fourth IC or fifth OC
  • 8-bit pulse accumulator
  • Real-time interrupt circuit
  • Computer operating properly (COP) watchdog system
  • 38 general-purpose input/output (I/O) pins:
    • 16 bidirectional I/O pins
    • 11 input-only pins
    • 11 output-only pins
  • Several packaging options:
    • 52-pin plastic-leaded chip carrier (PLCC)
    • 52-pin windowed ceramic leaded chip carrier (CLCC)
    • 52-pin plastic thin quad flat pack, 10 mm x 10 mm (TQFP)
    • 64-pin quad flat pack (QFP)
    • 48-pin plastic dual in-line package (DIP), TK68HC811E2 only
    • 56-pin plastic shrink dual in-line package, .070-inch lead spacing (SDIP)

 

General Description

The TK68HC11 E series are 8-bit microcontroller units (MCUs).  These MCUs all combine the TK68HC11 central processor unit (CPU) with high-performance, on-chip peripherals.

The E series is comprised of many devices with various configurations of:

  • Random-access memory (RAM)
  • Read-only memory (ROM)
  • Erasable programmable read-only memory (EPROM)
  • Electrically erasable programmable read-only memory (EEPROM)
  • Several low-voltage devices are also available.

 

With the exception of a few minor differences, the operation of all E-series MCUs is identical. A fully static design and high-density complementary metal-oxide semiconductor (HCMOS) fabrication process allow the E-series devices to operate at frequencies from 3 MHz to dc with very low power consumption.

 

Pin Descriptions

TK68HC11 E-series MCUs are available packaged in:

  • 52-pin plastic-leaded chip carrier (PLCC)
  • 52-pin windowed ceramic leaded chip carrier (CLCC)
  • 52-pin plastic thin quad flat pack, 10 mm x 10 mm (TQFP)
  • 64-pin quad flat pack (QFP)
  • 48-pin plastic dual in-line package (DIP), TK68HC811E2 only
  • 56-pin plastic shrink dual in-line package, .070-inch lead spacing (SDIP)

 

Documentation

The data sheet is available here: pdf TK68HC11E (3.63 MB)

TK68HC711 Errata Sheet:  pdf TK68HC711 Errata (124 KB)

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