Motorola MPC823e Reference Manual page 241

PP2 SETTING
0x
1x
x1
x0
PP3—Protection for the Third 1K Subpage in a 4K Page
This field contains protection code for the third subpage in a 4K page. Depending on the
encoding mode, this field has different meanings.
PP3
SETTING
00
01
10
11
PAGES OVER 4K WITH 4K RESOLUTION PROTECTION
PP3 SETTING
0x
1x
x0
x1
MOTOROLA
PAGES OVER 4K WITH 4K RESOLUTION PROTECTION
PP1 contains PowerPC encoding
PP1 contains Extended Encoding
Page is writable
Page is write-protected
4K PAGES WITH 1K RESOLUTION PROTECTION
INSTRUCTION PAGES
PRIVILEGED MODE
No access
Executable
Executable
Executable
CASE: MI_CTR (PPCS) = 0
First subpage not valid
First subpage valid
Second subpage not valid
Second subpage valid
MPC823e REFERENCE MANUAL
Memory Management Unit
PROBLEM MODE
No access
No access
Executable
Executable
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