MC68060 查看數據表（PDF） - Motorola => Freescale
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MC68060 Datasheet PDF : 10 Pages
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POWER MANAGEMENT
The MC68060 is very power efficient due to the static logic and power management designed into the basic
architecture. Each stage of the integer unit pipelines and the FPU pipeline draws power only when an
instruction is executing, and the cache arrays draw power only when an access is made. The FPU, secondary
integer execution pipeline, branch cache, and instruction and data caches can be disabled to reduce overall
power usage. The 3.3-V power supply reduces current consumption by 40–60% over that of microprocessors
using a 5-V power supply.
The MC68060 has additional methods for dynamically controlling power consumption during operation.
Running a special LPSTOP instruction shuts down the active circuits in the processor, halting instruction
execution. Power consumption in this standby mode is greatly reduced. Processing can be resumed by
resetting the processor or by generating an interrupt. The frequency of operation can be lowered to reduce
current consumption while the device is in LPSTOP mode.
PHYSICAL
LE The MC68060 is available in ceramic PGA and CQFP packaging configurations. All parts operate from a
AB 3.3 V 5% power supply but directly interface to 3.3 V or 5 V peripherals and logic. The following table identifies
IL the operating frequencies available for the various M68060 microprocessors.
T AVA Processor
IS NO MC68060
ING MC68LC060
AG MC68EC060
40 MHz
X
50 MHz
X
X
X
66 MHz
X
X
X
PACK The documents listed in the following table contain detailed information on the MC68060. These documents
QFP may be obtained from the Literature Distribution Centers at the addresses listed on the back page.
Document Title
M68060 User's Manual
M68000 Family Programmer's Reference Manual
The 68K Source
3.3 Volt Logic and Interface Circuits
Order Number
M68060UM/AD
M68000PM/AD
BR729/D
BR1407/D
Contents
Detailed information for design
M68000 Family Instruction Set
Independent vendor listing supporting
software and development tools
Low voltage interface components
MOTOROLA
MC68060 PRODUCT INFORMATION
9
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