NiosII with 32-bit processors to achieve RS232 communication, can give a reference for beginners.

实战训练16 10.6 RS-232C（UART）接口的设计与实现
...............................................\Doc
...............................................\...\ps2接口标准.pdf
...............................................\...\说明.txt
...............................................\Proj
...............................................\....\cmp_state.ini
...............................................\....\data_buf.bsf
...............................................\....\data_buf.v
...............................................\....\div_256.bsf
...............................................\....\div_256.v
...............................................\....\div_4.bsf
...............................................\....\div_4.v
...............................................\....\KEYBAORD.qpf
...............................................\....\KEYBAORD.qws
...............................................\....\ps2_keyboard.bdf
...............................................\....\ps2_keyboard.bsf
...............................................\....\ps2_keyboard_interface.asm.rpt
...............................................\....\ps2_keyboard_interface.bsf
...............................................\....\ps2_keyboard_interface.cdf
...............................................\....\ps2_keyboard_interface.done
...............................................\....\ps2_keyboard_interface.fit.eqn
...............................................\....\ps2_keyboard_interface.fit.rpt
...............................................\....\ps2_keyboard_interface.fit.summary
...............................................\....\ps2_keyboard_interface.flow.rpt
...............................................\....\ps2_keyboard_interface.map.eqn
...............................................\....\ps2_keyboard_interface.map.rpt
...............................................\....\ps2_keyboard_interface.map.summary
...............................................\....\ps2_keyboard_interface.pin
...............................................\....\ps2_keyboard_interface.pof
...............................................\....\ps2_keyboard_interface.qsf
...............................................\....\ps2_keyboard_interface.sim.rpt
...............................................\....\ps2_keyboard_interface.sof
...............................................\....\ps2_keyboard_interface.tan.rpt
...............................................\....\ps2_keyboard_interface.tan.summary
...............................................\....\ps2_keyboard_interface.vwf
...............................................\....\ps2_keyboard_interface_assignment_defaults.qdf
...............................................\....\serv_req_info.txt
...............................................\....\uart_if.bsf
...............................................\....\undo_redo.txt
...............................................\Src
...............................................\...\ref2
...............................................\...\....\div_4.v
...............................................\...\....\ps2_keyboard.v
...............................................\...\....\ps2_mouse.v
...............................................\...\....\ps2_soc1.zip
...............................................\...\....\ps2_soc2.zip
...............................................\...\....\rcvr.v
...............................................\...\....\txmit.v
...............................................\...\....\uart.v
...............................................\...\....\uart_if.v

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