MC68040RC33V Freescale Semiconductor, MC68040RC33V Datasheet - Page 60
MC68040RC33V
Manufacturer Part Number
MC68040RC33V
Description
IC MICROPROCESSOR 32BIT PGA-182
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040FE33A.pdf
(442 pages)
Specifications of MC68040RC33V
Processor Type
M680x0 32-Bit
Speed
33MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
179-PGA
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
33MHz
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
182
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
Company:
Part Number:
MC68040RC33V
Manufacturer:
MOT
Quantity:
968
Company:
Part Number:
MC68040RC33V
Manufacturer:
MOT
Quantity:
968
Company:
Part Number:
MC68040RC33V
Manufacturer:
FREESCALE
Quantity:
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Part Number:
MC68040RC33V
Manufacturer:
FREESCALE
Quantity:
20 000
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MOTOROLA
ABBREVIATIONS:
NOTE :
CREATE ATC ENTRY
EXIT TABLE SEARCH
WITH R-BIT CLEAR
RETURN
THE U-BIT OCCURS AFTER THE READ OF
THE NEXT LEVEL DESCRIPTOR.
DUE TO ACCESS PIPELINING, A POINTER
DESCRIPTOR WRITE ACCESS TO UPDATE
WP – ACCUMULATED WRITE-
V – LOGICAL "OR" OPERATOR
Figure 3-10. Detailed Flowchart of Descriptor Fetch Operation
– ASSIGNMENT OPERATOR
PROTECTION STATUS
'INVALID'
WRITE ACCESS
(SEE NOTE)
SCHEDULE
WRITE ACCESS (U
IF SCHEDULED, EXECUTE
(INDEX = RI, PI, OR PGI)
U
PREVIOUS DESCRIPTOR
AT PA = TA + (INDEX*4)
FETCH DESCRIPTOR
OTHERWISE
TYPE = 'PAGE' OR 'POINTER'
U = 0
1
(SEE NOTE)
WP = WP V W
Freescale Semiconductor, Inc.
'RESIDENT'
RETURN
For More Information On This Product,
U = 1
1) FOR
'POINTER'
UPDATE HISTORY AND STATUS
TYPE =
Go to: www.freescale.com
M68040 USER'S MANUAL
OF ALL BUS TRANSFERS
FETCH DESCRIPTOR &
NORMAL TERMINATION
U = 1
READ ACCESS
TYPE = 'PAGE'
OR 'INDIRECT'
TYPE = 'INDIRECT'
U = 0
PA = DESCRIPTOR ADDRESS
FETCH DESCRIPTOR AT
RMW ACCESS
WP = WP V W
EXECUTE
'RESIDENT'
LOCKED
U
OF ALL BUS TRANSFERS
NORMAL TERMINATION
(WP = 1 OR M = 1)
1
U = 0 &
WRITE ACCESS
RETURN
OR 'INDIRECT'
'INVALID'
WRITE ACCESS
WP = 0 & M = 0
U
EXECUTE
OTHERWISE
1, M
RETURN
(WP = 1 OR M = 1)
1
U = 1 &
CREATE ATC ENTRY
EXIT TABLE SEARCH
WITH R-BIT CLEAR
3- 11
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