mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 5

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

6.2.2
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.3.4.1
6.3.5
6.3.6
6.3.6.1
6.3.7
6.3.7.1
6.3.8
6.4
6.4.1
6.4.1.1
6.4.1.2
6.4.1.2.1
6.4.1.2.2
6.4.1.2.3
6.4.1.3
6.4.1.3.1
6.4.1.3.2
6.5
6.5.1
6.6
6.6.1
6.6.2
6.6.3
6.6.4
6.6.5
6.6.6
6.6.7
6.6.8
6.6.9
6.6.10
6.6.11
6.6.12
6.6.13
6.6.13.1
Paragraph
Number
Sequencer Unit .....................................................................................6-4
The Register Unit ................................................................................6-15
The Fixed-Point Unit ...........................................................................6-24
The Load/Store Unit ............................................................................6-25
TABLE OF CONTENTS (Continued)
Freescale Semiconductor, Inc.
Basic Instruction Pipeline ...........................................................6-4
Flow Control ...............................................................................6-5
Issuing Instructions .....................................................................6-6
Interrupts ....................................................................................6-7
Implementing the Precise Exception Model ...............................6-8
Processing an Interrupt ............................................................6-11
Serialization ..............................................................................6-12
The External Interrupt ...............................................................6-13
Interrupt Ordering .....................................................................6-14
Control Registers ......................................................................6-16
XER Update in Divide Instructions ...........................................6-24
Issuing Load/Store Instructions ................................................6-26
Serializing Load/Store Instructions ...........................................6-27
Instructions Issued to the Data Cache .....................................6-27
Issuing Store Instruction Cycles ...............................................6-27
Issuing Nonspeculative Load Instructions ................................6-27
Executing Unaligned Instructions .............................................6-28
Little-Endian Mode Support ......................................................6-29
Atomic Update Primitives .........................................................6-29
Instruction Timing .....................................................................6-30
Stalling Storage Control Instructions ........................................6-30
Accessing Off-Core Special Registers .....................................6-30
Storage Control Instructions .....................................................6-31
Exceptions ................................................................................6-31
Restartability After an Interrupt .....................................6-10
Latency .........................................................................6-12
Latency .........................................................................6-13
Physical Location of Special Registers .........................6-19
PowerPC Standard Control Register Bit Assignment ...6-20
Initializing the Control Registers ...................................6-24
DAR, DSISR, and BAR Operation ................................6-31
ore Information On This Product,
MPC823 REFERENCE MANUAL
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Machine State Register ....................................6-20
The Condition Register ....................................6-22
Fixed-Point Exception Cause Register ............6-23
System Reset Interrupt ....................................6-24
Hard/Soft Reset ................................................6-24
Section 7
Title
Number
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