MCU Microcontroller Unit MC68HC711E9CFS2 - Motorola, Inc - Microcontrollers

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Microcontrollers

Description:

This document contains a detailed description of the M68HC11 E series of 8-bit microcontroller units (MCUs). These MCUs all combine the M68HC11 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.

Applications:

• M68HC11 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 MC68HC811E2

• Asynchronous non-return-to-zero (NRZ) serial communications interface

(SCI)

• Additional baud rates available on MC68HC(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), MC68HC811E2 only

– 56-pin plastic shrink dual in-line package, .070-inch lead spacing (SDIP)

Specifications:

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