Chapter 11: In-System Programmability Guidelines for MAX II Devices
11–7
ISP Troubleshooting Guidelines
3. On the File menu, point to Create/Update and click Create JAM, SVF, or ISC File.
4. Specify a file in the File format list.
5. Click OK.
Figure 11–2. Create JAM, SVF, or ISC File
ISP Troubleshooting Guidelines
This section provides tips for troubleshooting ISP-related problems.
Invalid ID and Unrecognized Device Messages
The first step during in-system programming is to check the device’s silicon ID. If the
silicon ID does not match, an InvalidIDor UnrecognizedDeviceerror is
generated. Typical causes for this error are shown below:
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Download cable connected incorrectly
TDOis not connected
Incomplete JTAG chain
Noisy TCKsignal
Jam Player ported incorrectly
Download Cable Connected Incorrectly
You will receive an error if the download cable is connected incorrectly to the parallel
or USB port or if it is not receiving power from your board.
f
For more information about installing the MasterBlaster, ByteBlasterMV, ByteBlaster,
or USB Blaster download cable, refer to the MasterBlaster Serial/USB Communications
Cable User Guide, ByteBlasterMV Download Cable User Guide, ByteBlaster II Download
Cable User Guide, or USB-Blaster Download Cable User Guide.
© October 2008 Altera Corporation
MAX II Device Handbook
ALTERA [ ALTERA CORPORATION ]
