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MC68EN302 Datasheet(PDF) 1 Page - Motorola, Inc

Part No. MC68EN302
Description  Integrated Multiprotocol Processor with Ethernet
Download  8 Pages
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC68EN302 Datasheet(HTML) 1 Page - Motorola, Inc

   
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MC68EN302/D
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.
Product Brief
Integrated Multiprotocol Processor with Ethernet
MC68EN302
© MOTOROLA, 1995
Microprocessor and Memory
Technologies Group
SEMICONDUCTOR PRODUCT INFORMATION
Motorola introduces a version of the well-known MC68302 Integrated Multiprotocol Processor (IMP) with
Ethernet and DRAM controllers. It is known as the MC68EN302, and expands a family of devices based on the
MC68302.
The Ethernet controller has a 16-bit interface, resides on the 68000 bus and provides complete IEEE 802.3
compatibility. The programming model is adopted from the standard 68302 programming model. The DRAM
controller is adopted from the MC68306 product. It is enhanced to support both parity and external bus masters.
The MC68EN302 is packed in a low profile 144 TQFP.
Figure 1. MC68EN302 Block Diagram
MC68000
MICROCODED
COMMUNICATIONS
CONTROLLER
(RISC)
INTERRUPT
CONTROLLER
1 GENERAL-
PURPOSE
DMA
CHANNEL
3 TIMERS
AND
ADDITIONAL
FEATURES
6 DMA
CHANNELS
1152 BYTES
DUAL-PORT
RAM
3 SERIAL
CHANNELS
OTHER
SERIAL
CHANNELS
MC68302
68000
SYSTEM BUS
PERIPHERAL
BUS
DRAM
CONTROLLER
ETHERNET
CONTROLLER
MC68EN302
JTAG
IEEE 1149.1
MODULE BUS
CONTROLLER
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com


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