MC68030RC50C Freescale Semiconductor, MC68030RC50C Datasheet - Page 330
MC68030RC50C
Manufacturer Part Number
MC68030RC50C
Description
IC MPU 32BIT ENHANCED 128-PGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68030FE20C.pdf
(599 pages)
Specifications of MC68030RC50C
Processor Type
M680x0 32-Bit
Speed
50MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
128-PGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68030RC50C
Manufacturer:
TYCO
Quantity:
43
Company:
Part Number:
MC68030RC50C
Manufacturer:
MOT
Quantity:
100
Company:
Part Number:
MC68030RC50C
Manufacturer:
MOT
Quantity:
100
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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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