MC68EC000 Motorola, MC68EC000 Datasheet - Page 8

• Manufacturer Part Number: MC68EC000
• Description: Core Processor (SCM 68000)
• Manufacturer: Motorola

4.2.2
4.2.3
4.2.4
4.2.5
4.3
4.3.1
4.3.1.1
4.3.1.1.1
4.3.1.1.2
4.3.1.1.3
4.3.1.2
4.3.2
4.3.2.1
4.3.2.2
4.3.2.3
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.3.8
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.12
6.1
6.2
6.3
6.4
6.5
6.6
MOTOROLA
Processing of Specific Exceptions .............................................................. 4-15
Operand Effective Address Calculation Times ............................................. 5-1
MOVE Instruction Execution Times .............................................................. 5-2
Standard Instruction Execution Times .......................................................... 5-3
Immediate Instruction Execution Times ........................................................ 5-4
Single Operand Instruction Execution Times................................................ 5-5
Shift/Rotate Instruction Execution Times ...................................................... 5-6
Bit Manipulation Instruction Execution Timess ............................................. 5-6
Conditional Instruction Execution Times....................................................... 5-6
JMP, JSR, LEA, PEA, and MOVEM Instruction Execution Times ................ 5-7
Multiprecision Instruction Execution Times................................................... 5-7
Miscellaneaous Instruction Execution Times ................................................ 5-8
Exception Processing Execution Times........................................................ 5-9
Operand Effective Address Calculation Times ............................................. 6-1
MOVE Instruction Execution Times .............................................................. 6-2
Standard Instruction Execution Times .......................................................... 6-3
Immediate Instruction Execution Times ........................................................ 6-4
Single Operand Instruction Execution Times................................................ 6-5
Shift/Rotate Instruction Execution Times ...................................................... 6-6
Kinds of Exceptions .................................................................................. 4-13
Multiple Exceptions................................................................................... 4-13
Exception Stack Frames........................................................................... 4-14
Exception Processing Sequence .............................................................. 4-14
Reset ........................................................................................................ 4-15
Interrupts................................................................................................... 4-19
Instruction Traps ....................................................................................... 4-21
Illegal and Unimplemented Instructions.................................................... 4-21
Privilege Violations ................................................................................... 4-21
Tracing...................................................................................................... 4-22
Bus Error................................................................................................... 4-22
Address Error............................................................................................ 4-23
Reset Operation ..................................................................................... 4-16
Initializing the SCM68000 for Simulation ................................................ 4-18
Level Seven Interrupts............................................................................ 4-20
Uninitialized Interrupt .............................................................................. 4-20
Spurious Interrupt ................................................................................... 4-20
Reset Using RESETIB and HALTIB ..................................................... 4-16
Reset Instruction................................................................................... 4-16
Reset Using Only RESETIB ................................................................. 4-17
Freescale Semiconductor, Inc.
EC000 CORE PROCESSOR USER’S MANUAL
For More Information On This Product,
16-Bit Instruction Execution Times
8-Bit Instruction Execution Times
Go to: www.freescale.com
Section 5
Section 6
Table of Contents
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