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[/] [uart16550/] [tags/] [rel_4/] - Rev 106

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Rev Log message Author Age Path
83 Reverted to include uart_defines.v file in other files again. gorban 7954d 17h /uart16550/tags/rel_4/
82 Updated to work with latest core. gorban 7961d 15h /uart16550/tags/rel_4/
81 Added lastest additions. gorban 7961d 15h /uart16550/tags/rel_4/
80 Remove uart_fifo.v because it is replaced by other 2 files. gorban 7961d 15h /uart16550/tags/rel_4/
79 Bug Fixes:
* Possible loss of sync and bad reception of stop bit on slow baud rates fixed.
Problem reported by Kenny.Tung.
* Bad (or lack of ) loopback handling fixed. Reported by Cherry Withers.

Improvements:
* Made FIFO's as general inferrable memory where possible.
So on FPGA they should be inferred as RAM (Distributed RAM on Xilinx).
This saves about 1/3 of the Slice count and reduces P&R and synthesis times.

* Added optional baudrate output (baud_o).
This is identical to BAUDOUT* signal on 16550 chip.
It outputs 16xbit_clock_rate - the divided clock.
It's disabled by default. Define UART_HAS_BAUDRATE_OUTPUT to use.
gorban 7961d 15h /uart16550/tags/rel_4/
75 Endian define added. Big Byte Endian is selected by default. mohor 8114d 21h /uart16550/tags/rel_4/
74 tf_overrun signal was disabled since it was not used gorban 8119d 23h /uart16550/tags/rel_4/
73 major bug in 32-bit mode that prevented register access fixed. gorban 8126d 22h /uart16550/tags/rel_4/
72 UART PHY added. Files are fully operational, working on HW. mohor 8140d 06h /uart16550/tags/rel_4/
71 Removed confusing comment gorban 8151d 18h /uart16550/tags/rel_4/

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