MC68030FE25C Freescale Semiconductor, MC68030FE25C Datasheet - Page 486
MC68030FE25C
Manufacturer Part Number
MC68030FE25C
Description
IC MPU 32BIT ENHANCED 132-CQFP
Manufacturer
Freescale Semiconductor
Specifications of MC68030FE25C
Processor Type
M680x0 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-CQFP
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
25MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
5V
Operating Supply Voltage (max)
5.25V
Operating Supply Voltage (min)
4.75V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
132
Package Type
CQUAD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68030FE25C
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68030FE25C
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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MOTOROLA
A similar analysis can be constructed for the average no-cache case. Since
the average no-cache-case time assumes two clock periods per bus cycle
formula:
systems with wait states. To approximate the average no-cache-case time
for an instruction or effective address with W wait states, use the following
where:
The average no-cache-case timing obtained from this formula is equal to or
greater than the actual no-cache-case timing since the number of instruction
up) and no overlap is assumed.
Using the general Equation (11-2), calculate as follows:
(i.e., no wait states), the timing given in the tables does not apply directly to
accesses used is a maximum (the values in the tables are always rounded
The number of data reads, data writes, and maximum instruction accesses
Execution Time = CCeal + [CCoPl - min(Heal,TOPl )] + [CCea2 - min(Hea2;TOPl l] +
are found in the appropriate table.
NCCt is the
no-cache-case
NCC = NCCt+ (# of data reads and writes)oW+
= 3 + [2 ~ min(0,1 )]m + [12 - min(4,0)] +
= 45 clock periods
3+2+12+5+1+6+2+14
[CCoP2- min(HoP2,Tea2) ] + [CCea 3- min(Hea3,ToP2)] +
[CCoP3 - min(HoP3,Tea3) ] + [CCea 4- min(Hea4,ToP3)] +
[CCoP4- min(HoP4,Tea4) ]
[5- min(O,O)] + [2 - rain(I,3)] ~-
[6- min(2,0)] + [2 - min(O,2)] ~-
[14- min(3,0)
(max. # of instruction accesses)oW
MC68030 USER'S MANUAL
timing value from the
appropriate
table.
11-23
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