mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 9

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

10.3.2
10.3.3
10.3.3.1
10.3.3.2
10.3.3.3
10.4
10.4.1
10.4.2
10.4.2.1
10.4.2.2
10.4.3
10.4.4
10.4.5
10.5
10.5.1
10.5.2
10.5.3
10.5.4
10.5.4.1
10.5.4.2
10.5.4.3
10.5.5
11.1
11.2
11.2.1
11.3
11.4
11.5
11.5.1
11.5.2
11.6
11.6.1
11.6.1.1
11.6.1.2
11.6.1.3
11.6.1.4
11.6.1.5
11.6.1.6
Paragraph
Number
Operating the Data Cache ................................................................10-10
Data Cache Commands ....................................................................10-13
Features ..............................................................................................11-1
Address Translation ............................................................................11-2
Protection ............................................................................................11-3
Storage Control ...................................................................................11-4
Translation Table Structure .................................................................11-5
Programming the Memory Management Unit ...................................11-15
TABLE OF CONTENTS (Continued)
Freescale Semiconductor, Inc.
Implementation-Specific Operations ........................................10-4
Special Registers of the Data Cache .......................................10-4
Data Cache Read ...................................................................10-10
Data Cache Write ...................................................................10-10
Data Cache Inhibited Accesses .............................................10-12
Data Cache Freeze ................................................................10-12
Data Cache Coherency ..........................................................10-13
Flushing and Invalidating the Cache ......................................10-13
Enabling and Disabling the Cache .........................................10-13
Locking and Unlocking the Cache ..........................................10-13
Data Cache Instructions .........................................................10-14
Data Cache Read ...................................................................10-14
Translation Lookaside Buffer Operation ...................................11-2
Level One Descriptor ................................................................11-9
Level Two Descriptor ..............................................................11-10
Control Registers ....................................................................11-16
Data Cache Control and Status Register ......................10-5
Data Cache Address Register ......................................10-7
Reading the Cache Structures ......................................10-7
Copyback Mode ..........................................................10-11
Writethrough Mode .....................................................10-12
dcbi, dcbst, dcbf And dcbz Instructions ......................10-14
Touch ..........................................................................10-14
Storage Synchronization/Reservation ........................10-14
MMU Instruction Control Register ...............................11-16
MMU Data Control Register ........................................11-17
MMU Current Address Space ID Register ..................11-18
MMU Instruction Effective Page Number Register .....11-19
MMU Data Effective Page Number Register ..............11-20
MMU Instruction Real Page Number Register ............11-21
ore Information On This Product,
MPC823 REFERENCE MANUAL
Memory Management Unit
Go to: www.freescale.com
Section 11
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