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FAQ’s for Actel’s Antifuse FPGA Programming 21

The Checksum button or menu command verifies that the current programming file is the same as the

one used to program the device. The Checksum command compares the checksum number, computed

from the programming file, to the checksum number programmed into the chip. If the two numbers are the

same, the program displays “PASSED.” If the two numbers are not the same, the program displays

“FAILED,” with additional comments to briefly explain why it failed.

49. What version of SculptW has the PV_NVCC test (charge pump) for MX

devices?

Ans. SculptW v4.78.1 or later.

50. Why do I get the following error message: "BpUsb:CSystem:BulkRead:

Bulk In Transfer Failed”?

Ans. This error occurs due to a USB driver issue. Uninstall/Reinstall Windriver manually.

For more details refer to the Silicon Sculptor User’s Guide

(www.actel.com/documents/silisculptII_sculpt3_ug.pdf).

51. What is broadcast mode? How do I initiate it?

Ans. While programming a batch of same target device, you can select the broadcast mode in order to

save time (by avoiding repetitive command in the software). You can select Quantity more than 1 (see

Figure 3: ), the programmer automatically enters in broadcast mode.

If this mode is selected, the first device has to be programmed successfully in order to complete

broadcasting to the other sites of the programmer (for multi-site programmer). After the first device is

successfully programmed and the broadcast is completed, users will not depend on the software GUI and

just need to change the devices and push the START button on the programmer.

Figure 3: Quantity Selection

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Adaptec AVA-1505A Guía de usuario Pagina 21