mc68ec060 Freescale Semiconductor, Inc, mc68ec060 Datasheet - Page 13

• Manufacturer Part Number: mc68ec060
• Description: Mc68060 Superscalar 68k Microprocessor Including The Lc060 And Ec060
• Manufacturer: Freescale Semiconductor, Inc

8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.4.1
8.4.4.2
8.4.4.3
8.4.5
8.4.6
8.4.7
9.1
9.1.1
9.1.2
9.1.2.1
9.1.2.2
9.1.2.3
9.1.2.4
9.1.2.5
9.1.2.6
9.1.2.7
9.1.2.8
9.1.3
9.1.3.1
9.1.3.2
9.1.3.3
9.1.4
9.1.5
9.1.6
9.2
9.2.1
9.2.2
9.2.3
9.3
10.1
10.1.1
10.1.2
MOTOROLA
Exception Priorities ..................................................................................... 8-17
Return from Exceptions .............................................................................. 8-19
IEEE 1149.1 Test Access Port (Normal JTAG) Mode .................................. 9-1
Debug Pipe Control Mode........................................................................... 9-24
Switching between JTAG and Debug Pipe ControlModes of Operation..... 9-33
Superscalar Operand Execution Pipelines ................................................. 10-1
Four-Word Stack Frame (Format $0) ....................................................... 8-19
Six-Word Stack Frame (Format $2) .......................................................... 8-20
Floating-Point Post-Instruction Stack Frame (Format $3) ........................ 8-20
Eight-Word Stack Frame (Format $4)....................................................... 8-21
Recovering from an Access Error ............................................................. 8-25
Branch Prediction Error ............................................................................ 8-29
Overview..................................................................................................... 9-2
JTAG Instruction Shift Register .................................................................. 9-3
JTAG Test Data Registers .......................................................................... 9-7
Restrictions ............................................................................................... 9-15
Disabling the IEEE 1149.1 Standard Operation ....................................... 9-15
Motorola MC68060 BSDL Description...................................................... 9-17
Debug Command Interface....................................................................... 9-25
Debug Pipe Control Mode Commands ..................................................... 9-27
Emulator Mode ......................................................................................... 9-31
Dispatch Test 1: sOEP Opword and Required
Extension Words Are Valid ....................................................................... 10-2
Dispatch Test 2: Instruction Classification ................................................ 10-2
Bus Errors and Pending Memory Writes ................................................. 8-27
IEEE 1149.1 Test (JTAG) and Debug Pipe Control Modes
Program Counter (PC)............................................................................ 8-21
Fault Address ......................................................................................... 8-22
Fault Status Long Word (FSLW)............................................................. 8-22
EXTEST.................................................................................................... 9-4
LPSAMPLE............................................................................................... 9-5
Private Instructions ................................................................................... 9-5
SAMPLE/PRELOAD ................................................................................. 9-5
IDCODE.................................................................................................... 9-5
CLAMP ..................................................................................................... 9-6
HIGHZ....................................................................................................... 9-6
BYPASS ................................................................................................... 9-6
Idcode Register ........................................................................................ 9-7
Boundary Scan Register........................................................................... 9-7
Bypass Register ..................................................................................... 9-15
Instruction Execution Timing
M68060 USER’S MANUAL
Section 10
Section 9
Table of Contents
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