MC68030FE33C Freescale Semiconductor, MC68030FE33C Datasheet - Page 330

• Manufacturer Part Number: MC68030FE33C
• Description: IC MPU 32BIT ENHANCED 132-CQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68030FE33C

• Processor Type: M680x0 32-Bit
• Speed: 33MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 132-CQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

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
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