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MC68HC711EA9MFS3 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC68HC711EA9MFS3 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 58 page  Order this document by MC68HC11EA9TS/D © MOTOROLA INC., 1995, 1997 MC68HC11EA9 MC68HC711EA9 Technical Summary 8-Bit Microcontrollers 1 Introduction The MC68HC11EA9 and MC68HC711EA9 microcontroller units (MCUs) are high-performance mem- bers of the M68HC11 family of MCUs. The MC68HC(7)11EA9 MCUs have a multiplexed external ad- dress and data bus and are characterized by high speed and low power consumption. Their fully static design allows operation at frequencies from 3 MHz to dc. The addition of a phase-locked loop (PLL) frequency synthesizer to the timer circuitry further enhances low-power operation and allows the use of lower frequency crystals while maintaining a clock speed of up to 3 MHz. This document contains information concerning standard and custom-ROM devices. Standard devices are those with ROM or with EPROM replacing ROM (MC68HC711EA9). Custom-ROM devices have a ROM array that is programmed at the factory to customer specifications. Where information in this doc- ument refers to both the ROM and EPROM versions, the device is referred to as MC68HC(7)11EA9. 1.1 Features • M68HC11 CPU • 512 Bytes RAM (Data Retained During Standby, by use of VSTBY) • 12 Kbytes Mask-Programmed ROM or EPROM • 512 Bytes Electrically Erasable Programmable ROM (EEPROM) • PROG Mode Allows Use of Standard EPROM Programmer (27C256 Footprint) • Multiplexed Address and Data Buses Reduce Pin Count • 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 • Phase-Locked Loop (PLL) Frequency Synthesizer for Reduced Power Consumption • Power Saving STOP and WAIT Modes • Real-Time Interrupt Circuit • Computer Operating Properly (COP) Watchdog Timer • Clock Monitor Circuit • Enhanced Asynchronous Nonreturn to Zero (NRZ) Serial Communications Interface (SCI) • Eight-Channel 8-Bit Analog-to-Digital (A/D) Converter • Five Input/Output (I/O) Ports (34 Pins) — Four Bidirectional I/O Ports (26 Pins) — One Fixed Input-Only Port (8 Pins) • Two Alternate, Fixed Input-Only Pins (XIRQ pin/XPIN bit and IRQ pin/IPIN bit) • Available in 52-Pin Plastic Leaded Chip Carrier (PLCC), 52-Pin Windowed Ceramic Leaded Chip Carrier (CLCC), and 56-Pin SDIP (0.070” Lead Spacing) Freescale Semiconductor © Freescale Semiconductor, Inc., 2004. All rights reserved. |
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