![]() ![]() XADC: the Spartan-7 comes with a 1 MSPS ADC to internally monitor voltage and temperature, plus external inputs that can be used to monitor board signals. ![]() Spartan-7 devices do not have transceivers like the Spartan-6 LXT FPGAs, but you can go to the Artix-7 FPGAs. While the Spartan-6 DSP48 is built on an 18x18 signed multiplication logic, the Spartan-7 offers a 25x18 multiplier plus other architecture differences that can increase throughput. Spartan 7 Block RAMs offer faster FIFO implementations, cascading options, and ECC among other features The Block RAM in the Spartan-6 is grouped in 18Kb blocks, while the Spartan-7 is in 36Kb blocks. As far as could check, Spartan-7 devices are supported on the free Vivado WebPACK tool. Xilinx has " two tiers " for it's development tools, Webpack which is free and the paid version(s). The latest release was ISE 14.7 (Feb.20, 2020) while Vivado keeps improving and you can expect two releases per year. Xilinx has archived the ISE Design Suite in favor of Vivado. Here are the main differences between both FPGAs: Spartan-7 was announced in 2015 - with full production available in 2017. After the Xilinx 7 Series FPGAs were introduced a year later the question was not if but when. Lower cost on development boards, ICs, and free development tools make it a nice add-on for embedded systems that required more computing power (or multiple IO ports - or interfaces) while keeping reasonably cost for such applications. Xilinx Sparta-6 was introduced in 2009 and it was a success. ![]()
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