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[/] [spi_master_slave/] [trunk/] [doc/] - Rev 10

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7 Updated code comments in VHDL files, added readme.txt files, updated work-in-progress version of the .doc core specification manual. jdoin 3424d 18h /spi_master_slave/trunk/doc/
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 3426d 15h /spi_master_slave/trunk/doc/
4 v0.97.0068 - streamlined resets and clock enables to reduce area
v0.97.0075 - redesigned parallel interfaces, with pipelined data transport for async clock domains
v0.97.0083 - fixed bug "CPHA effect": redesigned SCK output circuit
v0.97.0086 - removed master MISO input register: got 33MHz.
jdoin 3451d 15h /spi_master_slave/trunk/doc/
2 v0.95.0050 - Master/Slave loopback verified at 25MHz. jdoin 3468d 19h /spi_master_slave/trunk/doc/

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