G: Adding a PROM to Spartan-II FPGA

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A user is seeking advice on adding a PROM to a Spartan-II FPGA board from Digilent, which lacks a configuration PROM. They plan to use the VC18V02VQ44c PROM and program it via JTag, utilizing Master Serial for FPGA configuration. The user notes that only four JTag pins and four serial connection pins are needed, expressing concern about the simplicity of the setup. An experienced member confirms that connecting a PROM is generally straightforward, although programming may have become more complex over time. The discussion emphasizes the ease of hardware integration while highlighting potential programming challenges.
LTDigital
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Hi all,
I'm new to the forum and would like to say hi to everyone.
I'm currently working on a personal project that is as follow: I have a spartan-II FPGA that's already placed down on to a board by Digilent. This board does not come with a configuration prom. My goal is to add a prom to it. I have done some reading and found out that the VC18V02VQ44c is the one I'm going to use. I will use JTag to program the prom and then use Master Serial to configure my FPGA. The circuitry shows that I only need the 4 JTag pins, and then the 4 different pins for the serial connection. This seems way too simple. I'm wondering if anyone is familiar with this stuff and there is anything I should watch out for.

Thank you

LT
 
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It's probably 20 years since I did FPGAs with configuration proms.
As I recall it was fairly simple to hook one up.
Doubt it has gotten more complex.

Err, well except for the programming :smile:

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