mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 8

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

Paragraph
Number
8.2.4
8.2.5
8.2.6
9.1
9.2
9.2.1
9.2.2
9.2.3
9.3
9.3.1
9.3.2
9.3.3
9.4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7
9.5
9.6
9.7
9.8
9.9
9.9.1
10.1
10.2
10.3
10.3.1
10.3.1.1
10.3.1.2
10.3.1.3
Features ................................................................................................ 9-1
Programming the Instruction Cache ..................................................... 9-4
Instruction Cache Operation ................................................................. 9-7
instruction Cache Commands ............................................................... 9-8
Restrictions ......................................................................................... 9-14
Instruction Cache Coherency .............................................................. 9-14
Updating Code and Memory Region Attributes .................................. 9-14
Reset Sequence ................................................................................. 9-14
Debug Support .................................................................................... 9-14
Features .............................................................................................. 10-1
Organization of the Data Cache .......................................................... 10-2
Programming the Data Cache ............................................................ 10-3
TABLE OF CONTENTS (Continued)
A Full History Buffer ................................................................... 8-8
Branch Folding ........................................................................... 8-9
Branch Prediction ..................................................................... 8-10
Instruction Cache Control and Status Register .......................... 9-5
Instruction Cache Address Register ........................................... 9-6
Instruction Cache Data Port Register ......................................... 9-7
Instruction Cache Hit .................................................................. 9-7
Instruction Cache Miss ............................................................... 9-8
Instruction Fetch On a Predicted Path ....................................... 9-8
Invalidating the Instruction Cache .............................................. 9-9
Loading and Locking the Instruction Cache ............................. 9-10
Unlocking A Line ...................................................................... 9-10
Unlocking the Entire Instruction Cache .................................... 9-11
Inhibiting the Instruction Cache ................................................ 9-11
Instruction Cache Read ............................................................ 9-12
Instruction Cache Write ............................................................ 9-14
Fetching Instructions From the Development Port ................... 9-15
PowerPC Architecture Instructions .......................................... 10-3
Freescale Semiconductor, Inc.
PowerPC User Instruction Set Architecture (Book I) .... 10-3
PowerPC Virtual Environment Architecture (Book II) ... 10-4
PowerPC Operating Environment Architecture
(Book III) ....................................................................... 10-4
ore Information On This Product,
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
Instruction Cache
Data Cache
Section 10
Section 9
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