Motorola MC68306 Bedienungsanleitung PDF herunterladen (Seite 2)

2 MC68306 PRODUCT INFORMATION MOTOROLA

The primary features of the MC68306 are as follows:

• Functional Integration on a Single Piece of Silicon

• EC000 Core—Identical to MC68EC000 Microprocessor

— Complete Code Compatibility with MC68000 and MC68EC000

— High Performance—2.4 MIPS

• Two-Channel Universal Synchronous/Asynchronous Receiver/Transmitter (a DUART)

— Baud Rate Generators

— Modem Control

— Identical to MC68681/MC2681

— Integrated 16-Bit Timer/Counter (useful for periodic interrupt generation, event counting, etc.)

• Dynamic Random Access Memory (DRAM) Controller

— Supports 16 Mbytes using 4M x 1 DRAMs, 64 Mbytes using 16M x 1 DRAMs (compatible with

larger future-generation DRAMs)

— Provides 0 Wait State Interface to 80-ns DRAMs

— Programmable Refresh Timer Provides CAS-before-RAS Refresh

• Chip Selects

— Eight Programmable Chip Select Signals

— Provide Eight Separate 1-Mbyte Spaces or Four Separate 16-Mbyte Spaces Locatable

anywhere within the 4-Gbyte Address Range of the EC000 Core

— Programmable Wait States

• Programmable Interrupt Controller

• Bus Watchdog Timer

• 24 Address Lines, 16 Data Lines

• 16.67-MHz, 5-V Operation

• 128-Pin Plastic Quad Flat Pack (QFP) or 132-Pin Plastic Quad Flat Pack (PQFP)

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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Motorola MC68306 Bedienungsanleitung Seite 2