VHDL 40-384 1390 !"# !" 90/2/28 :- . % 90/8/14 :$ : ! #$ . ! 1 ( / zip &( 0 "Student Num-HW2" . - * 5( 6 3 + / ( () * +,- . 1 3 , )4/ &( 0 ( % %& • • 0 1 / ( - . ( 0( - @>; > / 9 A6 3 ( 3 @ ! - start + 6(6 9 . ( + . 4 . 5( ; - /) !4 - . 9 1 &( 0 6 K0 ( ACK 1 !C . ! +( 73 ( )*. , B4 ( CD L- .9 ( 6 z( A6 #. ( 1 . 1 Decoder Encoder outputs ACK file_name inputs data ST outputs data ST inputs file_name start ACK , 1 (- .- 3 ( ( ( / < 86 & ?EF 168 ( 73 ( @ 3 ( ( G < ( H6 / @ ! #. ( % J 6 ! 4/ A6 , 1 (+ + / +( 73 ( > !? ٢ 1 ( ( 73 ( 3 ( 168 - . (- . > 6 - / ( / (space 6 new line 4 ( % 16 A 10 6 9 @126-32 + , 4 ( % + ? *Q % + 6(6 + ,- . + , 4 ( http://www.asciitable.com/ #I I ! N . + ,168 + testbench 9 !4 - . 9 ( 73 ( >; ( . 4 . @ / &( 0 . / ) O 10 -$ M - / 1 !C K0 ( ST ( > 3 (. ! +( 73 ( 168 4/( 9 &( 0 9 ( ACK (acknowledge) 1 !C . ! . ! - ) +% + 6(6 > !? 9 ( ST (start transfer) A6 H6 / ( 73 ( @ACK > / 9 %. ! 3 ! 20 1 ! P. : ! TA % 9! D 4I !/; )*. , +( 73 ( ( 0( http://en.wikipedia.org/wiki/Huffman_coding 2 TCAM 34 5 @5( ; + A 4/ > A6 . K0 &( 0 ) #Z >; > $) + / (0() W( 6 4K3 + U. M 5( ; > / 3 ( Content Addressable Memory & V*? + 9 hit / A 5( ; XD . 3 U. M A6 . / , 5( ; - $ ( 0 ( .# hit 1 !C ( A6 U. M > CAM !Y ( 9 6( / 9 % 4$6 &( 0 D *T + , U. M ! )4/ & V*? .( / ٢ :د ز ر را ر رای اط ت http://en.wikipedia.org/wiki/Content-addressable_memory ٣ M F TCAM 9 . ! 6 ( don't care <4 ! (override) \ T std_logic + # CAM ? (Ternary CAM) TCAM ( (... 6 or @and) + CV*? [ , @>; +% . , .( 4 n 6 " J ?6 , > m) ) * &^ M *, C + 4 ( ( ,>; ( )4/ 6 > .(1 I! % + 6 ] ( 7 4! ! K0 T 6 U. M & *V % & V*? testbench ( waveform % ) 4 K 6 7 / ) W( / 9 @#/ >; ( + A6 U ( 5( ; (# m B4 ( CD) add_out 9 -$ M 3 K0 &( 0 ( _ ) 6 3 &( 0 > & V*? @ / rd_wr=1 3 .+ 6(6 Q )4/ & V*? @rd_wr=0 3 ... 6 / I _ U. M + , / `X add_in >; 5( ; + ( data ( _ 6 / . / 4/ @# . / 4/ >; ( )4/ & V*? / W( @ . 3 3 K0 +6 I 3 6 > &( 0 / en=1 . !, z data (# 1) hit_out (# n) data 5( ; (# m B4 ( CD) add_in & V*? / 9 +6 I 3 . / Q (# 1) rd_wr ( 0 ( )4/ 6 > & V*? , A6 > a$ &( 0 ) (# 1) en U. M % + Q >; #<c + <D ( )4/ & V*? 6 # . ! d X4 XD ٤ B4I bE ( >; J . (# 1) clk
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