... | ... | @@ -14,44 +14,46 @@ Delay). |
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## Main Features
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\* 4-lane PCIe (Gennum GN4124)
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\* FMC slot with low pin count (LPC) connector
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o Vadj fixed to 2.5V
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o No dedicated clock signals from Carrier to FMC (only available on HPC
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pins)
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o LPC cheaper than HPC and also easier to mount
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o FMC connectivity: all 34 differential pairs connected, 1 GTP
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- 4-lane PCIe (Gennum GN4124)
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- FMC slot with low pin count (LPC) connector
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- Vadj fixed to 2.5V
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- No dedicated clock signals from Carrier to FMC (only available
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on HPC pins)
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- LPC cheaper than HPC and also easier to mount
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- FMC connectivity: all 34 differential pairs connected, 1 GTP
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transceiver with clock, 2 clock pairs, JTAG
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\* 1 Xilinx Spartan6 FPGA (XC6SLX150T-3FGG900C)
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\* Simple clocking resources
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o 1 10-280 MHz I2C Programmable XO Oscillator (Silicon Labs Si570)
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o 1 25 MHz TCXO controlled by a DAC with SPI interface (AD5662)
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o 1 20 MHz VCXO controlled by a DAC with SPI interface (AD5662)
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o 1 low-jitter frequency synthesizer (TI CDCM61004, fixed configuration,
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Fout=125MHz)
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\* On board memory
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o A 2Gbit DDR3
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o 1 SPI 32Mbit flash PROM for multiboot FPGA powerup configuration,
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storage of the FPGA firmware or of critical data
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\* Front panel containing
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o 1 Small Formfactor Pluggable (SFP) cage for fibre-optic transceiver
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([WhiteRabbit](https://www.ohwr.org/project/white-rabbit) support)
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o Programmable LED
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o FMC front panel
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\* Internal connectors
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o 1 JTAG header for Xilinx programming during debugging
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o 1 mini USB AB (USB-UART bridge)
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\* FPGA configuration. The FPGA can optionally be programmed from:
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o GN4124 SPRIO interface (loaded by software driver at startup)
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o JTAG header
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o SPI 32Mbit flash PROM
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o selectable by GN4124 GPIO. Default option would be loading via the SPI
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flash PROM (stand-alone applications).
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\* Debugging features
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o mini USB connector
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o 4 LEDs
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o 2 buttons
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\* Optimised for cost
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- 1 Xilinx Spartan6 FPGA (XC6SLX150T-3FGG900C)
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- Simple clocking resources
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|
|
- 1 10-280 MHz I2C Programmable XO Oscillator (Silicon Labs Si570)
|
|
|
- 1 25 MHz TCXO controlled by a DAC with SPI interface (AD5662)
|
|
|
- 1 20 MHz VCXO controlled by a DAC with SPI interface (AD5662)
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- 1 low-jitter frequency synthesizer (TI CDCM61004, fixed
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configuration, Fout=125MHz)
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- On board memory
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- A 2Gbit DDR3
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- 1 SPI 32Mbit flash PROM for multiboot FPGA powerup
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configuration, storage of the FPGA firmware or of critical data
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- Front panel containing
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- 1 Small Formfactor Pluggable (SFP) cage for fibre-optic
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transceiver
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([WhiteRabbit](https://www.ohwr.org/project/white-rabbit)
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support)
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- Programmable LED
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- FMC front panel
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- Internal connectors
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- 1 JTAG header for Xilinx programming during debugging
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- 1 mini USB AB (USB-UART bridge)
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- FPGA configuration. The FPGA can optionally be programmed from:
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- GN4124 SPRIO interface (loaded by software driver at startup)
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- JTAG header
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- SPI 32Mbit flash PROM
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- selectable by GN4124 GPIO. Default option would be loading via
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the SPI flash PROM (stand-alone applications).
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- Debugging features
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- mini USB connector
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- 4 LEDs
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- 2 buttons
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- Optimised for cost
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## PXIe specific features
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... | ... | |