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MC68340AG16EB1 其他数据使用手册 - Freescale（飞思卡尔）
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Freescale（飞思卡尔）
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微处理器
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LQFP-144
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MC68340AG16EB1数据手册
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2 MC68340 PRODUCT INFORMATION MOTOROLA
The primary features of the MC68340 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 32-Bit MC68020 Instructions and Addressing Modes
— Unique Embedded Control Instructions
— Fast Two-Clock Register Instructions—10,045 Dhrystones/Second
• 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 document to refer to both the low voltage and standard 5-V parts since both are functionally equivalent.
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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