mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 240

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

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.
PP2 SETTING
PP3 SETTING
0x
1x
x1
x0
0x
1x
x0
x1
SETTING
PAGES OVER 4K WITH 4K RESOLUTION PROTECTION
Freescale Semiconductor, Inc.
PP3
00
01
10
11
For More Information On This Product,
4K PAGES WITH 1K RESOLUTION PROTECTION
PAGES OVER 4K WITH 4K RESOLUTION PROTECTION
MPC823 REFERENCE MANUAL
PRIVILEGED MODE
Go to: www.freescale.com
Executable
Executable
Executable
No access
PP1 contains Extended Encoding
PP1 contains PowerPC encoding
INSTRUCTION PAGES
CASE: MI_CTR (PPCS) = 0
Second subpage not valid
Page is write-protected
First subpage not valid
Second subpage valid
First subpage valid
Page is writable
PROBLEM MODE
Executable
Executable
No access
No access
Memory Management Unit
11-23