UART Basic, hardwired RS232 UART.
2016-08-23
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--##############################################################################
-- uart.vhdl -- Basic, hardwired RS232 UART.
--
-- Most operational parameters are hardcoded: 8 bit words, no parity, 1 stop
-- bit. The only parameter that can be configured in run time is the baud rate.
--
-- The receiver logic is a simplified copy of the 8051 UART. The bit period is
-- split in 16 sampling periods, and 3 samples are taken at the center of each
-- bit period. The bit value is decided by majority. The receiver logic has some
-- error recovery capability that should make this core reliable enough for
-- actual application use -- yet, the core does not have a format test bench.
--
-- See usage notes below.
--
--------------------------------------------------------------------------------
-- This file is free software (See COPYING.TXT)
--#######################################
-- uart.vhdl -- Basic, hardwired RS232 UART.
--
-- Most operational parameters are hardcoded: 8 bit words, no parity, 1 stop
-- bit. The only parameter that can be configured in run time is the baud rate.
--
-- The receiver logic is a simplified copy of the 8051 UART. The bit period is
-- split in 16 sampling periods, and 3 samples are taken at the center of each
-- bit period. The bit value is decided by majority. The receiver logic has some
-- error recovery capability that should make this core reliable enough for
-- actual application use -- yet, the core does not have a format test bench.
--
-- See usage notes below.
--
--------------------------------------------------------------------------------
-- This file is free software (See COPYING.TXT)
--#######################################
vhdl
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