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| 型號： | MC68322FT25 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 25 MHz, RISC PROCESSOR, PQFP160 |
| 封裝： | PLASTIC, QFP-160 |
| 文件頁數(shù)： | 215/293頁 |
| 文件大?。?/td> | 1002K |
| 代理商： | MC68322FT25 |
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MOTOROLA
MC68340 PRODUCT INFORMATION
9
counter/timer can be clocked by the internal system clock generated by the SIM40 (
÷2) or by an external
clock input. Either the processor or external stimuli can trigger the starting and stopping of the counter.
When a counter reaches a predetermined value, either an external output signal can be driven, or an
interrupt can be made to the CPU32. The finest resolution of the timer is 80 ns with a 25-MHz system clock
(125 ns @ 16.78 MHz).
POWER CONSUMPTION MANAGEMENT
The MC68340 is very power efficient due to its advanced 0.8-
HCMOS process technology and its static
logic design. The resulting power consumption is typically 500 mW in full operation @ 16.78 MHz (750 mW
@ 25 MHz)—far less than the comparable discrete component implementation the MC68340 can replace.
For applications employing reduced voltage operation, selection of the MC68340V, which requires only a
3.3-V power supply, reduces current consumption by 40–60% in all modes of operation (as well as reducing
noise emissions).
The MC68340 has many additional methods of dynamically controlling power consumption during operation.
The frequency of operation can be lowered under software control to reduce current consumption when
performance is less critical. Idle internal peripheral modules can be turned off to save power (5–10% each).
Running a special low power stop (LPSTOP) instruction shuts down the active circuits in the CPU and
peripheral modules, halting instruction execution. Power consumption in this standby mode is reduced to
about 300
W. Processing and power consumption can be resumed by resetting the part or by generating
an interrupt which can be done with the SIM40's periodic interrupt timer.
PHYSICAL
The MC68340 is available as 0–16.78 MHz and 0–25.16 MHz, 0
°C to +70°C and -40°C to +85°C, and 5.0 V
±5% and 3.3 V ±0.3 supply voltages (reduced frequencies at 3.3 V). Thirty-two power and ground leads
minimize ground bounce and ensure proper isolation of different sections of the chip, including the clock
oscillator. A 144 pins are used for signals and power. The MC68340 is available in a gull-wing ceramic quad
flat pack (CQFP) with 0.65 mm lead spacing or a 15
× 15 plastic pin grid array (PPGA) with 0.1-in pin
spacing.
COMPACT DISC-INTERACTIVE
The MC68340 was designed to meet the needs of many markets, including compact disc-interactive (CD-I).
CD-I is an emerging standard for a publishing medium that will bring multimedia to a broad general
audience—the consumer. CD-I players combine television and stereo systems as output devices, with
interactive control using a TV remote-control-like device to provide a multimedia experience selected from
software “titles” contained in compressed form on standard compact discs.
The highly integrated MC68340 is ideal as the central processor for CD-I players. It provides the M68000
microprocessor code compatibility and DMA functions required by the CD-I Green Book specification as well
as many other useful on-chip functions for a very cost-effective solution. The extra demands of full-motion
video CD-I systems make the best use of the MC68340 high performance. The MC68340 is CD-I compliant
and has been CD-I qualified. With its low voltage operation, the MC68340V is the only practical choice for
portable CD-I.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68322FT20 | 32-BIT, 20 MHz, RISC PROCESSOR, PQFP160 |
| MC68322FT16 | 32-BIT, 16.667 MHz, RISC PROCESSOR, PQFP160 |
| MC68330FC16 | 32-BIT, 16.78 MHz, MICROPROCESSOR, PQFP132 |
| MC68332AMPV16 | 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP144 |
| MC68332GMPV20 | 32-BIT, 20.97 MHz, MICROCONTROLLER, PQFP144 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68322UM | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Printer Processor |
| MC68328 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Portable System Processor-DragonBall |
| MC68328P | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Portable System Processor-DragonBall |
| MC68328UM | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Portable System Processor-DragonBall |
| MC68330 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated CPU32 Processor |
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