MC68EC060RC66 Freescale Semiconductor, MC68EC060RC66 Datasheet - Page 80
MC68EC060RC66
Manufacturer Part Number
MC68EC060RC66
Description
IC MPU 32BIT 66MHZ 206-PGA
Manufacturer
Freescale Semiconductor
Specifications of MC68EC060RC66
Processor Type
M680x0 32-Bit
Speed
66MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
206-PGA
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
3.3V
Operating Supply Voltage (max)
3.465V
Operating Supply Voltage (min)
3.135V
Operating Temp Range
0C to 110C
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
206
Package Type
PGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Lead Free Status / Rohs Status
Compliant
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MOTOROLA
ABBREVIATIONS:
NOTE :
EXIT TABLE SEARCH
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
– ASSIGNMENT OPERATOR
Figure 4-9. Detailed Flowchart of Descriptor Fetch Operation
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
'RESIDENT'
RETURN
U = 1
1) FOR
'POINTER'
UPDATE HISTORY AND STATUS
TYPE =
M68060 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
Memory Management Unit
RETURN
(WP = 1 OR M = 1)
1
U = 1 &
EXIT TABLE SEARCH
4-11
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