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MC68340 データシート(Datasheet) 26 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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 26 page
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MC68340 USER’S MANUAL
MOTOROLA
The primary features of the MC68340, illustrated in Figure 1-1, are as follows:
• High Functional Integration on a Single Piece of Silicon
• CPU32—MC68020-Derived 32-Bit Central Processor Unit
— Upward Object-Code Compatible with MC68000 and MC68010
— Additional MC68020 Instructions and Addressing Modes
— Unique Embedded Control Instructions
— Fast Two-Clock Register Instructions—10,045 Dhrystones
• Two-Channel Low-Latency DMA Controller for High-Speed Memory Transfers
— Single- or Dual-Address Transfers
— 32-Bit Addresses and Counters
— 8-, 16-, and 32-Bit Data Transfers
— 50 Mbyte/Sec Sustained Transfers (12.5 Mbyte/Sec Memory-to-Memory)
• Two-Channel Universal Synchronous/Asynchronous Receiver/Transmitter (USART)
— Baud Rate Generators
— Modem Control
— MC68681/MC2681 Compatible
— 9.8 Mbits/Sec Maximum Transfer Rate
• Two Independent Counter/Timers
— 16-Bit Counter
— Up to 8-Bit Prescaler
— Multimode Operation
— 80-ns Resolution
• System Integration Module Incorporates Many Functions Typically Relegated to
External PALs, TTL, and ASIC, such as:
— System Configuration
— External Bus Interface
— System Protection
— Periodic Interrupt Timer
— Chip Select and Wait State Generation — Interrupt Response
— Clock Generation
— Bus Arbitration
— Dynamic Bus Sizing
— IEEE 1149.1 Boundary Scan (JTAG)
— Up to 16 Discrete I/O Lines
— Power-On Reset
• 32 Address Lines, 16 Data Lines
• Power Consumption Control
— Static HCMOS Technology Reduces Power in Normal Operation
— Low Voltage Operation at 3.3 V
±0.3 V (MC68340V only)
— Programmable Clock Generator Throttles Frequency
— Unused Peripherals Can Be Turned Off
— LPSTOP Provides an Idle State for Lowest Standby Current
• 0–16.78 MHz or 0–25.16 MHz Operation
• 144-Pin Ceramic Quad Flat Pack (CQFP) or 145-Pin Plastic Pin Grid Array (PGA)
As a low voltage part, the MC68340V can operate with a 3.3-V power supply. MC68340 is
used throughout this manual to refer to both the low voltage and standard 5-V parts since
both are functionally equivalent.
1.1 M68300 FAMILY
The MC68340 is one of a series of components in the M68300 family. Other members of
the family include the MC68302, MC68330, MC68331, MC68332, and MC68333.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com




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