Adaptec AVA-1505A Guia do Utilizador descarregar pdf (Página 10)

10 FAQ’s for Actel’s Antifuse FPGA Programming

11. How frequently should I run the self test?

Ans. You must ensure that all programming hardware is in good, working condition. This requires regular

execution of the hardware self-diagnostic test and maintaining valid calibration of the programming

hardware. Perform the self-diagnostic test before every programming session.

12. How do I perform Silicon Sculptor’s calibration verification?

Ans. Refer to the Silicon Sculptor Verification of Calibration Work Instruction

(www.actel.com/documents/SiliSculptProgCali_UG.pdf) for details on performing the verification of

calibration of Silicon Sculptor.

13. How do I setup Silicon Sculptor for concurrent programming?

Ans. Silicon Sculptor is a concurrent programmer that allows multiple sites to simultaneously program the

same design. Your PC is used to hold the data that will be programmed into the devices. Specific

programming algorithms and instructions are stored on the PC and downloaded to the programmer when

you select a chip and load the buffer. Thus, the algorithm is actually executed by each programmer’s

internal microprocessor. This guarantees accurate waveforms and precisely controlled critical time delays

independent of the PC’s performance. The speed of your PC will only affect the rate at which the

programming algorithm and data is downloaded to the programmer, not the programming yield.

For more information on how to setup multiple Sculptors to facilitate concurrent programming, refer to the

Silicon Sculptor User’s Guide (www.actel.com/documents/silisculptII_sculpt3_ug.pdf).

14. What is the maximum number of Silicon Sculptor II or 3 programmers

that I can daisy-chain?

Ans. Two Silicon Sculptor II units can be joined together using standard IEEE 1284 parallel cables. From

a single PC (through USB port), a maximum of 12 Silicon Sculptor 3 can be connected to run

programming concurrently.

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

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

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