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MC68340 データシート(Datasheet) 25 Page - Freescale Semiconductor, Inc

部品番号. MC68340
部品情報  Integrated Processor with DMA User’s Manual
ダウンロード  441 Pages
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メーカー  FREESCALE [Freescale Semiconductor, Inc]
ホームページ  http://www.freescale.com
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 25 page
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MOTOROLA
MC68340 USER’S MANUAL
1- 1
SECTION 1
DEVICE OVERVIEW
The MC68340 is a high-performance 32-bit integrated processor with direct memory
access (DMA), combining an enhanced M68000-compatible processor, 32-bit DMA, and
other peripheral subsystems on a single integrated circuit. The MC68340 CPU32 delivers
32-bit CISC processor performance from a lower cost 16-bit memory system. The
combination of peripherals offered in the MC68340 can be found in a diverse range of
microprocessor-based systems, including embedded control and general computing.
Systems requiring very high-speed block transfers of data can especially benefit from the
MC68340.
The MC68340's high level of functional integration results in significant reductions in
component count, power consumption, board space, and cost while yielding much higher
system reliability and shorter design time. The 3.3-V MC68340V is particularly attractive to
applications requiring a very tight power budget. Complete code compatibility with the
MC68000 and MC68010 affords the designer access to a broad base of established real-
time kernels, operating systems, languages, applications, and development tools—many
oriented towards embedded control.
CPU32
68020– BASED
PROCESSOR
TWO-
CHANNEL
SERIAL
I/O
TWO-CHANNEL DMA
CONTROLLER
EXTERNAL
BUS
INTERFACE
CLOCK
SYNTHESIZER
SYSTEM
INTEGRATION
MODULE
(SIM40)
BUS
ARBITRATION
INTERMODULE BUS
TIMER
TIMER
SYSTEM
PROTECTION
IEEE TEST
CHIP SELECTS
AND
WAIT STATES
Figure 1-1. Block Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com




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