MC68030RC40C Freescale Semiconductor, MC68030RC40C Datasheet - Page 382
MC68030RC40C
Manufacturer Part Number
MC68030RC40C
Description
IC MPU 32BIT ENHANCED 128-PGA
Manufacturer
Freescale Semiconductor
Specifications of MC68030RC40C
Processor Type
M680x0 32-Bit
Speed
40MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
128-PGA
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
40MHz
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
128
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:
MC68030RC40C
Manufacturer:
MOT
Quantity:
100
Company:
Part Number:
MC68030RC40C
Manufacturer:
MOT
Quantity:
100
Company:
Part Number:
MC68030RC40C
Manufacturer:
MOT
Quantity:
5 704
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M O T O R O L A
Upper. Table[].Pointer = NewPageTable;
/* cannot expand the table, return with status unchanged (failed)
/* allocated page hit so start counting from zero again
/* If we get here there was not room. See if we can expand the page table to hold the new block */
end
else Maxfound = 0;
/* If so grow it and set the new page entries as virgin
If Upper. Table[].Limit + NumPages < 4k then do
SearchPageTablea;
/* Set OK status and return with it
exit SearchPageTablee;
end;
/* Return the old table and install the new table pointer
/* Set returned virtual address and load if replacing the old
/* Set all the new entries at the end to virgin status
Status = "OK";
/* We can grow the page table! First get area for new table
/* Now copy the first part of the old table into the new
for Lower_Table_Index = 0 to Upper_Table[].Limit
Call ReturnReal(4*Upper_Table[].Limit, Upper_Table[].Pointer);
VirtualAddressReturned = Upper_Level Index*16Meg + Lower_Level_lndex*8k;
While (Lower_Table_Index < NewLimit) do
NewLimit = Upper_Table[].Limit + NumPages;
Call
PLOAD (VirtualAddressReturned)
GetReal(4*NewLimit,
end;
end;
NewPageTable->Lower_Table[] = Lower_Table[]
Lower Table_Index = Lower Table_Index + 1 ;
Lower Table[].Status = invalid._virgin;
MC68030 USER'S M A N U A L
/* return the User's virtual address
while (Maxfound > 0) do
/* Found! Now llag the page entries, update the MC68030 and
end;
Status = "OK";
VirtualAddressRetumed =
PLOAD (VirtualAddressRetumed);
exit SearchPageTables;
end;
NewPageTable);
Lower_Table[].Status = invalidvirgin;
Lower_Level_Index -- Lower_Level_Index-1 ;
Uppe r_Level_lndex*16M eg +
Lower Levetlndex*8k;
/* refresh MC68030
9-81
*/
*/
*/
q
*/
*/
*!
*/
*/
*/
*/
*/
9
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