
iv
MPC603e & EC603e RISC Microprocessors User's Manual
MOTOROLA
CONTENTS
Paragraph
Number
Title
Page
Number
1.1.7
1.1.7.1
1.1.7.2
1.1.7.3
1.1.7.4
1.2
1.3
1.3.1
1.3.1.1
1.3.1.2
1.3.1.3
1.3.1.4
1.3.1.5
1.3.1.6
1.3.1.7
1.3.1.8
1.3.1.9
1.3.1.10
1.3.1.10.1
1.3.1.10.2
1.3.2
1.3.2.1
1.3.2.1.1
1.3.2.1.2
1.3.2.2
1.3.3
1.3.3.1
1.3.3.2
1.3.4
1.3.4.1
1.3.4.2
1.3.5
1.3.5.1
1.3.5.2
1.3.6
1.3.7
1.3.7.1
1.3.7.2
1.3.7.3
System Support Functions..............................................................................1-14
Power Management....................................................................................1-15
Time Base/Decrementer.............................................................................1-15
IEEE 1149.1 (JTAG)/COP Test Interface..................................................1-16
Clock Multiplier.........................................................................................1-16
PowerPC Architecture Implementation..............................................................1-16
Implementation-Specific Information ................................................................1-16
Programming Model.......................................................................................1-17
Processor Version Register (PVR).............................................................1-18
Hardware Implementation Register 0 (HID0)............................................1-18
Run_N Counter Register (Run_N).............................................................1-19
General-Purpose Registers (GPRs)............................................................1-19
Floating-Point Registers (FPRs).................................................................1-19
Condition Register (CR).............................................................................1-19
Floating-Point Status and Control Register (FPSCR)................................1-19
Machine State Register (MSR)...................................................................1-19
Segment Registers (SRs)............................................................................1-19
Special-Purpose Registers (SPRs)..............................................................1-20
User-Level SPRs....................................................................................1-20
Supervisor-Level SPRs ..........................................................................1-20
Instruction Set and Addressing Modes...........................................................1-23
PowerPC Instruction Set and Addressing Modes.......................................1-23
PowerPC Instruction Set ........................................................................1-23
Calculating Effective Addresses ............................................................1-24
Implementation-Specific Instruction Set....................................................1-25
Cache Implementation....................................................................................1-25
PowerPC Cache Characteristics.................................................................1-25
Implementation-Specific Cache Implementation.......................................1-26
Exception Model ............................................................................................1-27
PowerPC Exception Model........................................................................1-27
Implementation-Specific Exception Model................................................1-29
Memory Management ....................................................................................1-32
PowerPC Memory Management................................................................1-32
Implementation-Specific Memory Management........................................1-32
Instruction Timing..........................................................................................1-33
System Interface.............................................................................................1-35
Memory Accesses.......................................................................................1-36
Signals........................................................................................................1-36
Signal Configuration ..................................................................................1-38