URL
https://opencores.org/ocsvn/idea/idea/trunk
Subversion Repositories idea
[/] [idea/] [trunk/] [behavioral/] [main control/] [cfb.vbe] - Rev 11
Go to most recent revision | Compare with Previous | Blame | View Log
-- VHDL data flow description generated from `cfb`
-- date : Sat Sep 1 20:21:49 2001
-- Entity Declaration
ENTITY cfb IS
PORT (
active : in BIT; -- active
clk : in BIT; -- clk
key_ready : in BIT; -- key_ready
dt_ready : in BIT; -- dt_ready
finish : in BIT; -- finish
e : in BIT; -- e
first_dt : inout BIT; -- first_dt
e_mesin : out BIT; -- e_mesin
s_mesin : out BIT; -- s_mesin
s_gen_key : out BIT; -- s_gen_key
emp_buf : out BIT; -- emp_buf
cp_ready : out BIT; -- cp_ready
cke_b_mode : out BIT; -- cke_b_mode
en_in : out BIT; -- en_in
en_iv : out BIT; -- en_iv
en_rcbc : out BIT; -- en_rcbc
en_out : out BIT; -- en_out
sel1 : out bit_vector(1 DOWNTO 0) ; -- sel1
sel2 : out bit_vector(1 DOWNTO 0) ; -- sel2
sel3 : out bit_vector(1 DOWNTO 0) ; -- sel3
vdd : in BIT; -- vdd
vss : in BIT -- vss
);
END cfb;
-- Architecture Declaration
ARCHITECTURE VBE OF cfb IS
SIGNAL current_state : REG_VECTOR(3 DOWNTO 0) REGISTER; -- current_state
SIGNAL current_state_s14 : BIT; -- current_state_s14
SIGNAL next_state_s14 : BIT; -- next_state_s14
SIGNAL current_state_s13 : BIT; -- current_state_s13
SIGNAL next_state_s13 : BIT; -- next_state_s13
SIGNAL current_state_s12 : BIT; -- current_state_s12
SIGNAL next_state_s12 : BIT; -- next_state_s12
SIGNAL current_state_s11 : BIT; -- current_state_s11
SIGNAL next_state_s11 : BIT; -- next_state_s11
SIGNAL current_state_s10 : BIT; -- current_state_s10
SIGNAL next_state_s10 : BIT; -- next_state_s10
SIGNAL current_state_s9 : BIT; -- current_state_s9
SIGNAL next_state_s9 : BIT; -- next_state_s9
SIGNAL current_state_s8 : BIT; -- current_state_s8
SIGNAL next_state_s8 : BIT; -- next_state_s8
SIGNAL current_state_s7 : BIT; -- current_state_s7
SIGNAL next_state_s7 : BIT; -- next_state_s7
SIGNAL current_state_s6 : BIT; -- current_state_s6
SIGNAL next_state_s6 : BIT; -- next_state_s6
SIGNAL current_state_s5 : BIT; -- current_state_s5
SIGNAL next_state_s5 : BIT; -- next_state_s5
SIGNAL current_state_s4 : BIT; -- current_state_s4
SIGNAL next_state_s4 : BIT; -- next_state_s4
SIGNAL current_state_s3 : BIT; -- current_state_s3
SIGNAL next_state_s3 : BIT; -- next_state_s3
SIGNAL current_state_s2 : BIT; -- current_state_s2
SIGNAL next_state_s2 : BIT; -- next_state_s2
SIGNAL current_state_s1 : BIT; -- current_state_s1
SIGNAL next_state_s1 : BIT; -- next_state_s1
SIGNAL current_state_s0 : BIT; -- current_state_s0
SIGNAL next_state_s0 : BIT; -- next_state_s0
SIGNAL next_state : BIT_VECTOR(3 DOWNTO 0); -- next_state
BEGIN
next_state(0) <= (next_state_s0 OR next_state_s3 OR next_state_s4
OR next_state_s6 OR next_state_s10 OR
next_state_s11 OR next_state_s13);
next_state(1) <= (next_state_s0 OR next_state_s5 OR next_state_s6
OR next_state_s7 OR next_state_s9 OR next_state_s11
OR next_state_s12);
next_state(2) <= (next_state_s0 OR next_state_s2 OR next_state_s4
OR next_state_s9 OR next_state_s10 OR
next_state_s12 OR next_state_s14);
next_state(3) <= (next_state_s2 OR next_state_s7 OR next_state_s8
OR next_state_s9 OR next_state_s10 OR
next_state_s11 OR next_state_s13);
next_state_s0 <= '0';
current_state_s0 <= (current_state(2) AND current_state(1) AND
current_state(0));
next_state_s1 <= (current_state_s0 OR (current_state_s1 AND (NOT(
dt_ready) OR NOT(key_ready))));
current_state_s1 <= (NOT(current_state(3)) AND NOT(current_state(2))
AND NOT(current_state(1)) AND NOT(current_state(0)));
next_state_s2 <= (current_state_s1 AND first_dt AND dt_ready AND
key_ready);
current_state_s2 <= (current_state(3) AND current_state(2) AND NOT(
current_state(1)) AND NOT(current_state(0)));
next_state_s3 <= current_state_s2;
current_state_s3 <= (NOT(current_state(3)) AND NOT(current_state(2))
AND NOT(current_state(1)) AND current_state(0));
next_state_s4 <= current_state_s3;
current_state_s4 <= (NOT(current_state(3)) AND current_state(2) AND
NOT(current_state(1)) AND current_state(0));
next_state_s5 <= (current_state_s1 AND NOT(first_dt) AND dt_ready
AND key_ready);
current_state_s5 <= (NOT(current_state(3)) AND NOT(current_state(2))
AND current_state(1) AND NOT(current_state(0)));
next_state_s6 <= current_state_s5;
current_state_s6 <= (NOT(current_state(3)) AND NOT(current_state(2))
AND current_state(1) AND current_state(0));
next_state_s7 <= (current_state_s4 OR current_state_s6);
current_state_s7 <= (current_state(3) AND NOT(current_state(2)) AND
current_state(1) AND NOT(current_state(0)));
next_state_s8 <= (current_state_s7 OR (current_state_s8 AND (NOT(
dt_ready) OR NOT(finish))));
current_state_s8 <= (current_state(3) AND NOT(current_state(2)) AND
NOT(current_state(1)) AND NOT(current_state(0)));
next_state_s9 <= (current_state_s8 AND dt_ready AND finish);
current_state_s9 <= (current_state(3) AND current_state(2) AND
current_state(1));
next_state_s10 <= (current_state_s9 AND e);
current_state_s10 <= (current_state(3) AND current_state(2) AND
current_state(0));
next_state_s11 <= (current_state_s9 AND NOT(e));
current_state_s11 <= (current_state(3) AND current_state(1) AND
current_state(0));
next_state_s12 <= (current_state_s10 OR current_state_s11);
current_state_s12 <= (NOT(current_state(3)) AND current_state(2) AND
current_state(1) AND NOT(current_state(0)));
next_state_s13 <= current_state_s12;
current_state_s13 <= (current_state(3) AND NOT(current_state(2)) AND
NOT(current_state(1)) AND current_state(0));
next_state_s14 <= (current_state_s13 OR current_state_s14);
current_state_s14 <= (NOT(current_state(3)) AND current_state(2) AND
NOT(current_state(1)) AND NOT(current_state(0)));
label0 : BLOCK ((NOT((clk'STABLE)) AND NOT(clk)) = '1')
BEGIN
current_state(0) <= GUARDED (next_state(0) OR active);
END BLOCK label0;
label1 : BLOCK ((NOT((clk'STABLE)) AND NOT(clk)) = '1')
BEGIN
current_state(1) <= GUARDED (next_state(1) OR active);
END BLOCK label1;
label2 : BLOCK ((NOT((clk'STABLE)) AND NOT(clk)) = '1')
BEGIN
current_state(2) <= GUARDED (next_state(2) OR active);
END BLOCK label2;
label3 : BLOCK ((NOT((clk'STABLE)) AND NOT(clk)) = '1')
BEGIN
current_state(3) <= GUARDED (next_state(3) AND NOT(active));
END BLOCK label3;
sel3(0) <= ((current_state_s5 AND NOT(active)) OR (
current_state_s7 AND NOT(active)) OR (current_state_s8 AND NOT(
active)) OR (current_state_s9 AND NOT(active)));
sel3(1) <= (active OR (current_state_s0 AND NOT(active)) OR
(current_state_s1 AND NOT(active)) OR (
current_state_s2 AND NOT(active)) OR (current_state_s3 AND NOT(
active)) OR (current_state_s4 AND NOT(active)) OR (
current_state_s6 AND NOT(active)) OR (current_state_s10 AND NOT(
active)) OR (current_state_s11 AND NOT(active)) OR (
current_state_s12 AND NOT(active)) OR (current_state_s13 AND NOT(
active)) OR (current_state_s14 AND NOT(active)));
sel2(0) <= ((current_state_s3 AND NOT(active)) OR (
current_state_s5 AND NOT(active)));
sel2(1) <= (active OR (current_state_s0 AND NOT(active)) OR
(current_state_s1 AND NOT(active)) OR (
current_state_s2 AND NOT(active)) OR (current_state_s4 AND NOT(
active)) OR (current_state_s6 AND NOT(active)) OR (
current_state_s7 AND NOT(active)) OR (current_state_s8 AND NOT(
active)) OR (current_state_s9 AND NOT(active)) OR (
current_state_s10 AND NOT(active)) OR (current_state_s11 AND NOT(
active)) OR (current_state_s12 AND NOT(active)) OR (
current_state_s13 AND NOT(active)) OR (current_state_s14 AND NOT(
active)));
sel1(0) <= ((current_state_s1 AND first_dt AND dt_ready AND
key_ready AND NOT(active)) OR (current_state_s2 AND NOT(
active)) OR (current_state_s9 AND NOT(e) AND NOT(active
)));
sel1(1) <= (active OR (current_state_s0 AND NOT(active)) OR
(current_state_s1 AND (NOT(first_dt) OR NOT(
dt_ready) OR NOT(key_ready)) AND NOT(active)) OR (
current_state_s3 AND NOT(active)) OR (current_state_s4 AND NOT(
active)) OR (current_state_s5 AND NOT(active)) OR (
current_state_s6 AND NOT(active)) OR (current_state_s7 AND NOT(
active)) OR (current_state_s8 AND NOT(active)) OR (
current_state_s10 AND NOT(active)) OR (current_state_s11 AND NOT(
active)) OR (current_state_s12 AND NOT(active)) OR (
current_state_s13 AND NOT(active)) OR (current_state_s14 AND NOT(
active)));
en_out <= ((current_state_s10 AND NOT(active)) OR (
current_state_s11 AND NOT(active)));
en_rcbc <= '0';
en_iv <= ((current_state_s1 AND NOT(first_dt) AND dt_ready
AND key_ready AND NOT(active)) OR (
current_state_s2 AND NOT(active)));
en_in <= ((current_state_s1 AND first_dt AND dt_ready AND
key_ready AND NOT(active)) OR (current_state_s8 AND
dt_ready AND finish AND NOT(active)) OR (current_state_s9
AND NOT(active)));
cke_b_mode <= ((current_state_s0 AND NOT(active)) OR (
current_state_s1 AND NOT(active)) OR (current_state_s2 AND NOT(
active)) OR (current_state_s3 AND NOT(active)) OR (
current_state_s4 AND NOT(active)) OR (current_state_s5 AND NOT(
active)) OR (current_state_s6 AND NOT(active)) OR (
current_state_s7 AND NOT(active)) OR (current_state_s8 AND NOT(
active)) OR (current_state_s9 AND NOT(active)) OR (
current_state_s10 AND NOT(active)) OR (current_state_s11 AND NOT(
active)) OR (current_state_s12 AND NOT(active)) OR (
current_state_s13 AND NOT(active)) OR (current_state_s14 AND NOT(
active)));
cp_ready <= (current_state_s12 AND NOT(active));
emp_buf <= ((current_state_s1 AND first_dt AND dt_ready AND
key_ready AND NOT(active)) OR (current_state_s8 AND
dt_ready AND finish AND NOT(active)) OR (current_state_s9
AND NOT(active)));
s_gen_key <= ((current_state_s0 AND NOT(active)) OR (
current_state_s1 AND NOT(active)) OR (current_state_s2 AND NOT(
active)) OR (current_state_s3 AND NOT(active)) OR (
current_state_s4 AND NOT(active)) OR (current_state_s5 AND NOT(
active)) OR (current_state_s6 AND NOT(active)) OR (
current_state_s7 AND NOT(active)) OR (current_state_s8 AND NOT(
active)) OR (current_state_s9 AND NOT(active)) OR (
current_state_s10 AND NOT(active)) OR (current_state_s11 AND NOT(
active)) OR (current_state_s12 AND NOT(active)) OR (
current_state_s13 AND NOT(active)) OR (current_state_s14 AND NOT(
active)));
s_mesin <= ((current_state_s4 AND NOT(active)) OR (
current_state_s6 AND NOT(active)) OR (current_state_s7 AND NOT(
active)) OR (current_state_s8 AND (NOT(dt_ready) OR NOT
(finish)) AND NOT(active)));
e_mesin <= (active OR (current_state_s0 AND NOT(active)) OR
(current_state_s1 AND NOT(active)) OR (
current_state_s2 AND NOT(active)) OR (current_state_s3 AND NOT(
active)) OR (current_state_s4 AND NOT(active)) OR (
current_state_s5 AND NOT(active)) OR (current_state_s6 AND NOT(
active)) OR (current_state_s7 AND NOT(active)) OR (
current_state_s8 AND NOT(active)) OR (current_state_s9 AND NOT(
active)) OR (current_state_s10 AND NOT(active)) OR (
current_state_s11 AND NOT(active)) OR (current_state_s12 AND NOT(
active)) OR (current_state_s13 AND NOT(active)) OR (
current_state_s14 AND NOT(active)));
first_dt <= (active OR (current_state_s0 AND NOT(active)) OR
(current_state_s1 AND NOT(active)) OR (
current_state_s5 AND NOT(active)));
END;
Go to most recent revision | Compare with Previous | Blame | View Log