Motorola MPC8260 User's Guide Page 140
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- TROUBLESHOOTING
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138 MPC8240 and MPC8260 Emulation
Chapter 10: Troubleshooting the Emulator
Problems with the Target System
was not set in the boot code. This can be fixed by ’ORing’ in
0x00000002 into the SRR1 register and resuming the run.
If you see the “!ERROR 145!” error message
If the following error arises:
!ERROR 145! Unable to soft stop - freezing the processor
clocks
The processor is in an unstable state and should be reset via a hard
reset or a power-on reset. The 'rst' command may not be able to bring
the processor into a known state.
Other error messages
The following is a list of unique error messages that may be
encountered for this product.
• !ERROR 644! Could not update IMMR register
• !ERROR 644! cf_immr does not match actual IMMR
• !ERROR 644! Unable to modify SYPCR register
Refer to “Configuration registers” on page 81
• !ERROR 644! Register <reg> does not match its shadow segment register
To synchronize the segment register with its shadow register, write a
value to the segment register. For example: m>reg sr0=0.
- Emulation for Motorola 1
- MPC8240 and MPC8260 1
- PowerQUICC II 1
- In This Book 4
- Contents 10
- Overview 13
- This chapter describes: 14
- Setup Flowchart 15
- Emulation Probe 16
- Chapter 1: Overview 17
- Minimum equipment required 18
- To power on the system 20
- To power off the system 20
- Connection Sequence 20
- Emulation Migration 23
- Serial connection 28
- LAN connection 28
- Recommended connection 28
- Workstation 29
- To obtain an IP address 30
- To verify LAN communications 39
- Serial connections on a PC 41
- To connect a serial cable 43
- You may use either slot 49
- 6 Reinstall the cover 52
- Installing and loading 54
- What needs to be installed 54
- (16600A/700A) 56
- Emulator 59
- 1 Open the Workspace window 63
- Debug Port Connection 65
- Reset Signals for the MPC8240 66
- Reset Signals for the MPC8260 66
- To test the emulator 67
- 1 Turn on the target system 71
- Configuring the Emulator 72
- Interface 73
- To configure using a debugger 75
- To configure reset operation 76
- (communication speed) 79
- Cache support 81
- Software Breakpoints 82
- Hardware Breakpoints 82
- To test memory accesses 83
- Benefits of using a debugger 86
- Minimum requirements 88
- Setting Up Debugger Software 89
- Port numbers for emulators 90
- IP_address 93
- Using the Analysis Probe and 95
- Emulation Module Together 95
- Analyzer 98
- To minimize the “skid” effect 100
- Emulation Module 103
- Group Run 104
- Debuggers can cause triggers 105
- Updating Firmware 109
- Emulation Probe Firmware 111
- Emulation Module Firmware 112
- Chapter 8: Updating Firmware 113
- See also 113
- Embedded PowerPC 116
- BNC, labeled TRIGGER OUT 117
- BNC, labeled BREAK IN 117
- Communications 117
- Accessory Power Out 117
- Power Supply 117
- Electrical Characteristics 118
- Troubleshooting the Emulator 121
- Troubleshooting Guide 123
- Status Lights 124
- Emulation Probe Status Lights 125
- Emulator Built-in Commands 127
- To use the built-in commands 129
- What to check first 131
- Enter the reset command: 135
- Enter the break command: 136
- Now enter: 137
- 1 Enter: 138
- 2 Hand load a little program: 139
- Other error messages 140
- Module Only) 141
- Probe Only) 146
- To run the power up self test 151
- 5 Enter the pv 1 command 155
- TEST 7: I2C Test 158
- TEST 8: Data Line Test 158
- To obtain replacement parts 160
- To clean the instrument 161
- Glossary 163
- DECLARATION OF CONFORMITY 171
- Product Regulations 172
- Agilent Technologies 173
- P.O. Box 2197 173
- 1900 Garden of the Gods Road 173
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