8-Bit Microcontroller
Description
Freescale Semiconductor, Inc.
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Freescale Semiconductor, Inc.
Order this document by MC68HC11KTS/D
Technical Summary 8-Bit Microcontroller
M68HC11 K Series
The M68HC11 K-series microcontroller units (MCUs) are high-performance derivatives of the MC68HC11F1 and have several additional features.
The MC68HC11K0, MC68HC11K1, MC68HC11K3, MC68HC11K4 and MC68HC711K4 comprise the series.
These MCUs, with a nonmultiplexed expanded bus, are characterized by high speed and low power consumption.
Their fully static design allows operation at frequencies from 4 MHz to dc.
This document contains information concerning standard, custom-ROM, and extended-voltage devices.
Standard devices include those with disabled ROM (MC68HC11K1), disabled EEPROM (MC68HC11K3), disabled ROM and EEPROM (MC68HC11K0), or EPROM replacing ROM (MC68HC711K4).
Custom-ROM devices have a ROM array that is programmed at the factory to customer specifications.
Extended-voltage devices are guaranteed to operate over a much greater voltage range (3.
0 Vdc to 5.
5 Vdc) at lower frequencies than the standard devices.
Refer to the device ordering information tables for details concerning these differences.
1 Features
• M68HC11 CPU • Power Saving STOP and WAIT Modes • 768 Bytes RAM (All Saved During Standby) • 24 Kbytes ROM or EPROM • 640 Bytes Electrically Erasable Programmable Read Only Memory (EEPROM) • Optional Security Feature Protects Memory Contents • On-Chip Memory Mapping Logic Allows Expansion to Over 1 Mbyte of Address Space • PROG Mode Allows Use of Standard EPROM Programmer (27C256 Footprint) • Nonmultiplexed Address and Data Buses • Four Programmable Chip Selects with Clock Stretching (Expanded Modes) • Enhanced 16-Bit Timer with Four-Stage Programmable Prescaler
— Three Input Capture (IC) Channels — Four Output Compare (OC) Channels — One Additional Channel, Selectable as Fourth IC or Fifth OC • 8-Bit Pulse Accumulator • Four 8-Bit or Two 16-Bit Pulse Width Modulation (PWM) Timer Channels • Real...
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