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参数资料
| 型号： | PMF18WE1 |
| 厂商： | Microchip Technology |
| 文件页数： | 77/98页 |
| 文件大小： | 0K |
| 描述： | PROCESSOR MODULE FOR ICE4000 |
| 标准包装： | 1 |
| 模块/板类型： | 处理器模块 |
| 适用于相关产品： | ICE4000 |
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Troubleshooting
Program Memory appears correct, but the file registers and program
execution do not appear to work correctly.
You may have a problem with clock or power setup.
Make sure that the processor clock is set to a valid speed. Select Debugger>Settings ,
Clock tab. Make sure the frequency is within the correct range for the emulated device
at the current operating voltage.
Verify that the correct power source is selected by selecting Debugger>Settings ,
Power tab. Make sure the processor power option is correct. If using a target board for
a power source, verify that the target board power has been applied.
Program keeps resetting
Check the configuration bits settings ( Configure>Configuration Bits ) for your selected
device. Some reset functions (such as Watchdog Timer Reset) are enabled by default.
On reset, an error message appears saying that there was an error
resetting the processor and to check power.
If you are doing low voltage emulation, this message is the point after doing a System
Reset where the target board should be connected and voltage applied. However,
MPLAB IDE and MPLAB ICE 4000 do not always synchronize on the first try. In most
cases, clicking Yes to retry will work and initialization will continue. If it doesn’t work
after two or three times, click No and MPLAB IDE will try to continue, reporting any
other errors it encounters.
Power light is blinking
On some pods, the power light will blink when there is a system fault
fault. If this does not clear the fault, contact Microchip support.
A.4
ERROR MESSAGES
You may receive the following error messages when using the emulator system.
?
?
?
?
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Cannot Perform Requested Operation
Emulation may have been halted by the user while the processor was in sleep mode.
It is also possible that the power is expected to come from the target board, but power
is not applied to the device. See Debugger>Settings and click the Power tab to check
this setting.
Unable to Find Emulator System
Make sure the emulator is connected to the power supply and is powered on. Also,
make sure the emulator is connected to the PC's communication port.
? 2004 Microchip Technology Inc.
DS51490A-page 71
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