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68HC711E20: Microcontroller

 

The 68HC11E family MCUs all combine the M68HC11 CPU with high-performance, on-chip peripherals. The E series is comprised of many devices with various configurations of RAM, ROM or EPROM, and 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 E-series devices to operate at frequencies from 4 MHz to dc.

Page Contents

68HC711E20 Features

  • M68HC11 CPU
  • Power Saving STOP and WAIT Modes
  • 512 Bytes of On-Chip RAM, Data Retained During Standby
  • 512 Bytes of On-Chip EEPROM
  • 20 Kbytes of On-Chip EPROM
  • Asynchronous Nonreturn to Zero (NRZ) Serial Communications Interface (SCI)
  • 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)
    • 64-Pin Plastic Quad Flat Pack (QFP)

     

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68HC711E20 Parametrics

RAM
(Bytes)
EPROM/OTP
(KBytes)
EEPROM
(Bytes)
Timer
I/O SC
I/O EXP
Serial
A/D
Operating Voltage
(V)
Bus Frequency
(Max)
(MHz)
768
20
512
16-Bit, 3/4IC, 4/5OC, RTI, pulse accumulator
38
22
SCI SPI
8-CH 8-Bit
5
4

 

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68HC711E20 Documentation
Document ID Document Title
M68HC11RM/AD M68HC11 Reference Manual Rev 3.0
MC68HC11E/D MC68HC11 E Series Technical Data Rev. 2
68HC11APPNOTES List of 68HC11 Application Notes

 

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68HC711E20 Orderable Parts
Orderable Part ID Package Info Status Remarks
MC68HC711E20CFU2 64-pin QFP Active - Production Part -
MC68HC711E20VFU2 64-pin QFP Active - Production Part -
MC68HC711E20CFU3 64-pin QFP Active - Production Part Extended Temp. Available
MC68HC711E20CFN2 52-pin PLCC Active - Production Part -
MC68HC711E20VFN2 52-Pin PLCC Active - Production Part -
MC68HC711E20MFN2 52-Pin PLCC Active - Production Part -
MC68HC711E20CFN3 52-pin PLCC Active - Production Part Extended Temp. Available
XC68HC711E20CFS4 Windowed PLCC Active - Production Part Windowed Device

 

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