MC68040RC40V Freescale Semiconductor, MC68040RC40V Datasheet - Page 59
MC68040RC40V
Manufacturer Part Number
MC68040RC40V
Description
IC MICROPROCESSOR 32BIT 179-PGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040FE33A.pdf
(442 pages)
Specifications of MC68040RC40V
Processor Type
M680x0 32-Bit
Speed
40MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
179-PGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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3-10
PFA - PAGE FRAME ADDRESS
DF[ ] - DESCRIPTOR FIELD
WP - ACCUMULATED WRITE-
ABBREVIATIONS:
Figure 3-9. Detailed Flowchart of Table Search Operation
EXIT TABLE SEARCH
CREATE ATC ENTRY
PROTECTION STATUS
ASSIGNMENT OPERATOR
WITH R-BIT CLEAR
Freescale Semiconductor, Inc.
'INVALID'
'INVALID'
OTHERWISE
'INVALID'
For More Information On This Product,
M68040 USER'S MANUAL
Go to: www.freescale.com
(CHECK DESCRIPTOR TYPE)
(CHECK DESCRIPTOR TYPE)
(CHECK DESCRIPTOR TYPE)
(CHECK DESCRIPTOR TYPE)
SELECT ROOT POINTER
(INITIALIZE ACCRUED
FC2 = 0:URP, 1:SRP
TYPE
UPDATE
TYPE 'POINTER'
FETCH INDIRECT
FETCH POINTER
TYPE
FETCH ROOT
DESCRIPTOR
DESCRIPTOR
FETCH PAGE
DESCRIPTOR
DESCRIPTOR
'RESIDENT'
'RESIDENT'
'INDIRECT'
STATUS)
WP
ENTRY
'INDIRECT'
'PAGE'
0
FALSE
ATC ENTRY
'RESIDENT'
'RESIDENT'
CREATE ATC ENTRY WITH R-BIT SET
PFA = PHYSICAL ADDRESS
ATC TAG
FIELD OF DESCRIPTOR
EXIT TABLE SEARCH
PFA, DF[U1,U0,S,CM,M],WP
FC2, LA, DF[G]
MOTOROLA
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