MC68EC030CFE25C Freescale Semiconductor, MC68EC030CFE25C Datasheet - Page 357
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MC68EC030CFE25C
Manufacturer Part Number
MC68EC030CFE25C
Description
IC MPU 32BIT ENH 25MHZ 132-CQFP
Manufacturer
Freescale Semiconductor
Specifications of MC68EC030CFE25C
Processor Type
M680x0 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-CQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68EC030CFE25C
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Table Index (TIA, TIB, TIC, and TID)
Initial Shift
Page Size (PS)
All other bit combinations are reserved by Motorola for future use; an
that are ignored during table search operations. The field contains an in-
teger, 0-15, which sets the effective size of the logical address to 32-17
values. They must be specified and be consistent with the translation table
values in order to ensure that subsequent address translations match the
These 4-bit fields specify the numbers of logical address bits used as the
the optional level indexed by the function codes). The index into the highest
value in a TIx field is encountered during a table search operation, the
attempt to load other values into this field of the TC register causes an
This 4-bit field contains the number of high-order bits of the logical address
address translation, bits ignored due to initial shift cannot have random
corresponding entries in the ATC.
indexes for the four possible levels of the translation tables (not including
level table (following the function code, when used) is specified by TIA,
and the lowest level, by TID. The fields contain integers, 0-15. When a zero
search is over unless the indexed descriptor is a table (indirect) descriptor.
This 4-bit field specifies the system page size:
MMU configuration exception.
bits, respectively. Since all 32 bits of the address are compared during
1111 - - 32K bytes
1000 - - 256 bytes
1001 - - 512 bytes
1 0 1 0 - - 1K bytes
1011 - - 2K bytes
1100 - - 4K bytes
1101 - - 8K bytes
1 1 1 0 - - 16K bytes
(IS)
MC68030 USER'S MANUAL
MOTOROLA
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