mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 261

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mpc823rg

Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
Memory Management Unit
PS—Page Size
ASID—Address Space ID
This field represents the data TLB entry to be compared with the CASID field in the
M_CASID register.
SH—Shared Page
SPV—Subpage Validity
000 = 4K.
001 = 16K.
011 = 512K.
111 = 8M.
010 = Reserved.
100 = Reserved.
101 = Reserved.
110 = Reserved.
0 = This entry matches only if the ASID field in the data TLB entry matches the value
1 = ASID comparison is disabled for the entry.
Bit 28:
0 = Subpage 0 (address[20:21]=00) is not valid.
1 = Subpage 0 (address[20:21]=00) is valid.
Bit 29:
0 = Subpage 1 (address[20:21]=01) is not valid.
1 = Subpage 1 (address[20:21]=01) is valid.
Bit 30:
0 = Subpage 2 (address[20:21]=10) is not valid.
1 = Subpage 2 (address[20:21]=10) is valid.
Bit 31:
0 = Subpage 3 (address[20:21]=11) is not valid.
1 = Subpage 3 (address[20:21]=11) is valid.
of the M_CASID register.
Freescale Semiconductor, Inc.
For More Information On This Product,
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
MOTOROLA

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