MC68030RC20C Freescale Semiconductor, MC68030RC20C Datasheet - Page 330
MC68030RC20C
Manufacturer Part Number
MC68030RC20C
Description
IC MPU 32BIT ENHANCED 128-PGA
Manufacturer
Freescale Semiconductor
Specifications of MC68030RC20C
Processor Type
M680x0 32-Bit
Speed
20MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
128-PGA
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
20MHz
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
Through Hole
Pin Count
128
Package Type
PGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68030RC20C-1F91C
Manufacturer:
ON/安森美
Quantity:
20 000
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MOTOROLA
ATC ENTRY (B BIT SET)
CREATE INVALID
/ O T H E R W I S E ~
FETCH DESCRIPTOR POINTED TO
I
BY PREVIOUS DESCRIPTOR
DT =' I NVALID'
INDIRECT DESCRIPTOR:
Figure 9-19. Simplified Table Search Flowchart
NO MORE TIx FIELDS MORE TIx FIELDS
(MUST BE INDIRECT)
/
F
~ ~ ~ T D T
I
O T H E R W I S E ~
FETCH DESCRIPTOR AT
MC68030 USER'S MANUAL
OTHERWI S E
2._
FCL SET
EXIT
DT ~ ' P AGE DESCRIPTOR'
DT = ' P AGE DESCRIPTOR'
I DETERMINE ROOT POINTER TO BE USEO I
PAGE DESCRIPTOR'
~
I
PAGE FRAME ADDRESS = UNUSED LOGICAL PAGE ADDRESS (]F ANYt
AND SET x = A
ENTRY
+ ADDRESS FIELD FROM LAST OESCRIPTOR FETCHEO
I
DT = ' P AGE DESCRIPTOR'
"SIZE" IS THE SIZE (IN BYTES) OF THE DESCRI P TOR
(x = R, c. D)
NEXT x
I
i
CREATE VALID ATC ENTRY
AT THE PARTICULAR TABLE LEVEL
(SIGNED ADDITION)
I
I
I
9-29
9
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