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by MC68HC11KTS/D
MOTOROLA INC., 1997
This document contains information on a new product. Specifications and information herein are subject to change without notice.
MOTOROLA
SEMICONDUCTOR
TECHNICAL DATA
M68HC11 K Series
Technical Summary
8-Bit Microcontroller
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 nonmul-
tiplexed 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 devic-
es. 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 cus-
tomer 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-Time Interrupt Circuit
Computer Operating Properly (COP) Watchdog
Clock Monitor
Enhanced Asynchronous Nonreturn to Zero (NRZ) Serial Communications Interface (SCI)
Enhanced Synchronous Serial Peripheral Interface (SPI)
Eight-Channel 8-Bit Analog-to-Digital (A/D) Converter
Seven Bidirectional Input/Output (I/O) Ports (54 Pins)
One Fixed Input-Only Port (8 Pins)
Available in 84-Pin Plastic Leaded Chip Carrier (PLCC), 84-Pin Windowed Ceramic Leaded Chip
Carrier (CLCC), and 80-Pin Quad Flat Pack (QFP)