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hartytp edited this page Feb 21, 2017 · 70 revisions

Overview

Kasli is low-cost FPGA carrier, capable of controlling 8 [Eurocard extension modules](Eurocard extension boards). It can act as either an ARTIQ master, or as a slave connected to the master via DRTIO.

Mockup: obraz

Specification/initial design

Discussion of Kasli specification is Issue #129.

  • Compatible with Sinara [EEM standard](Eurocard Extension Modules)
  • Hosts 8 EEMs using standard headers
  • Backplane connection for 4 extension modules and power?
  • Artix, a handful of transcievers, big enough to run a CPU, DRAM controller and a bunch of ARTIQ RTIO PHYs, maybe a 50T in FGG484
  • DDR3, SPI flash, a few LEDs, USB FTDI JTAG + UART
  • Same clocking/clock recovery/jitter cleaning as Sinara Metlino (SI5324 + oscillator + bootstrap oscillator)
  • One SMA connector in the front panel for RTIO reference clock. Input to the SI5324 clock cleaner in stand alone mode or RTIO reference clock output in satellite mode.
  • One SMA connector in the front panel to supply the reference clock to the backplane (DDS/VCO reference clock)
  • Three SFP cages to the front - provides DRTIO uplink and downlink
  • Maybe two SATA to the front or inside
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