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[/] [spi_master_slave/] [trunk/] [syn/] [spi_master_atlys_top.vhd] - Rev 10

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10 v1.11.0080: Changed sampling of MISO in spi_master.vhd (removed the input register).
Verified master+slave cores in silicon on a Spartan-6 FPGA at 100MHz, using Xilinx ISE 13.1 and a Digilent Atlys board. Project is included in trunk/syn/spi_master_atlys.xise.
jdoin 4833d 16h /spi_master_slave/trunk/syn/spi_master_atlys_top.vhd
5 Changed clocking to use a single high-speed clock for the whole core, using clock enables to control slower timing.
Added SPI line clock divider from high-speed system clock.
Added pipeline delay logic to sync phase of SCK and MOSI, enabling very high operating frequencies.
Verified in silicon for SCK and MOSI at 50MHz, with very robust operation.
jdoin 4839d 15h /spi_master_slave/trunk/syn/spi_master_atlys_top.vhd

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