ps2_keyboard_interface.bsf

基于EPM1270的PS2键盘鼠标驱动源码Verilog

/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/
/*
Copyright (C) 1991-2005 Altera Corporation
Your use of Altera Corporation's design tools, logic functions 
and other software and tools, and its AMPP partner logic       
functions, and any output files any of the foregoing           
(including device programming or simulation files), and any    
associated documentation or information are expressly subject  
to the terms and conditions of the Altera Program License      
Subscription Agreement, Altera MegaCore Function License       
Agreement, or other applicable license agreement, including,   
without limitation, that your use is for the sole purpose of   
programming logic devices manufactured by Altera and sold by   
Altera or its authorized distributors.  Please refer to the    
applicable agreement for further details.
*/
(header "symbol" (version "1.1"))
(symbol
	(rect 16 16 264 240)
	(text "ps2_keyboard_interface" (rect 5 0 124 12)(font "Arial" ))
	(text "inst" (rect 8 208 25 220)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "reset" (rect 0 0 24 12)(font "Arial" ))
		(text "reset" (rect 21 43 45 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "rx_read" (rect 0 0 36 12)(font "Arial" ))
		(text "rx_read" (rect 21 59 57 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "tx_data[7..0]" (rect 0 0 62 12)(font "Arial" ))
		(text "tx_data[7..0]" (rect 21 75 83 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 3))
	)
	(port
		(pt 0 96)
		(input)
		(text "tx_write" (rect 0 0 37 12)(font "Arial" ))
		(text "tx_write" (rect 21 91 58 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 248 64)
		(output)
		(text "rx_extended" (rect 0 0 60 12)(font "Arial" ))
		(text "rx_extended" (rect 167 59 227 71)(font "Arial" ))
		(line (pt 248 64)(pt 232 64)(line_width 1))
	)
	(port
		(pt 248 80)
		(output)
		(text "rx_released" (rect 0 0 56 12)(font "Arial" ))
		(text "rx_released" (rect 171 75 227 87)(font "Arial" ))
		(line (pt 248 80)(pt 232 80)(line_width 1))
	)
	(port
		(pt 248 96)
		(output)
		(text "rx_shift_key_on" (rect 0 0 80 12)(font "Arial" ))
		(text "rx_shift_key_on" (rect 147 91 227 103)(font "Arial" ))
		(line (pt 248 96)(pt 232 96)(line_width 1))
	)
	(port
		(pt 248 112)
		(output)
		(text "rx_scan_code[7..0]" (rect 0 0 94 12)(font "Arial" ))
		(text "rx_scan_code[7..0]" (rect 133 107 227 119)(font "Arial" ))
		(line (pt 248 112)(pt 232 112)(line_width 3))
	)
	(port
		(pt 248 128)
		(output)
		(text "rx_ascii[7..0]" (rect 0 0 63 12)(font "Arial" ))
		(text "rx_ascii[7..0]" (rect 164 123 227 135)(font "Arial" ))
		(line (pt 248 128)(pt 232 128)(line_width 3))
	)
	(port
		(pt 248 144)
		(output)
		(text "rx_data_ready" (rect 0 0 70 12)(font "Arial" ))
		(text "rx_data_ready" (rect 157 139 227 151)(font "Arial" ))
		(line (pt 248 144)(pt 232 144)(line_width 1))
	)
	(port
		(pt 248 160)
		(output)
		(text "tx_write_ack_o" (rect 0 0 73 12)(font "Arial" ))
		(text "tx_write_ack_o" (rect 154 155 227 167)(font "Arial" ))
		(line (pt 248 160)(pt 232 160)(line_width 1))
	)
	(port
		(pt 248 176)
		(output)
		(text "tx_error_no_keyboard_ack" (rect 0 0 130 12)(font "Arial" ))
		(text "tx_error_no_keyboard_ack" (rect 97 171 227 183)(font "Arial" ))
		(line (pt 248 176)(pt 232 176)(line_width 1))
	)
	(port
		(pt 248 32)
		(bidir)
		(text "ps2_clk" (rect 0 0 37 12)(font "Arial" ))
		(text "ps2_clk" (rect 190 27 227 39)(font "Arial" ))
		(line (pt 248 32)(pt 232 32)(line_width 1))
	)
	(port
		(pt 248 48)
		(bidir)
		(text "ps2_data" (rect 0 0 44 12)(font "Arial" ))
		(text "ps2_data" (rect 183 43 227 55)(font "Arial" ))
		(line (pt 248 48)(pt 232 48)(line_width 1))
	)
	(parameter
		"TIMER_60USEC_VALUE_PP"
		"2950"
		""
	)
	(parameter
		"TIMER_60USEC_BITS_PP"
		"12"
		""
	)
	(parameter
		"TIMER_5USEC_VALUE_PP"
		"186"
		""
	)
	(parameter
		"TIMER_5USEC_BITS_PP"
		"8"
		""
	)
	(parameter
		"TRAP_SHIFT_KEYS_PP"
		"0"
		""
	)
	(parameter
		"m1_rx_clk_h"
		"1"
		""
	)
	(parameter
		"m1_rx_clk_l"
		"0"
		""
	)
	(parameter
		"m1_rx_falling_edge_marker"
		"13"
		""
	)
	(parameter
		"m1_rx_rising_edge_marker"
		"14"
		""
	)
	(parameter
		"m1_tx_force_clk_l"
		"3"
		""
	)
	(parameter
		"m1_tx_first_wait_clk_h"
		"10"
		""
	)
	(parameter
		"m1_tx_first_wait_clk_l"
		"11"
		""
	)
	(parameter
		"m1_tx_reset_timer"
		"12"
		""
	)
	(parameter
		"m1_tx_wait_clk_h"
		"2"
		""
	)
	(parameter
		"m1_tx_clk_h"
		"4"
		""
	)
	(parameter
		"m1_tx_clk_l"
		"5"
		""
	)
	(parameter
		"m1_tx_wait_keyboard_ack"
		"6"
		""
	)
	(parameter
		"m1_tx_done_recovery"
		"7"
		""
	)
	(parameter
		"m1_tx_error_no_keyboard_ack"
		"8"
		""
	)
	(parameter
		"m1_tx_rising_edge_marker"
		"9"
		""
	)
	(parameter
		"m2_rx_data_ready"
		"1"
		""
	)
	(parameter
		"m2_rx_data_ready_ack"
		"0"
		""
	)
	(drawing
		(rectangle (rect 16 16 232 208)(line_width 1))
	)
	(annotation_block (parameter)(rect 264 -64 364 16))
)