Page 197 - MDP2020-2

················································································ 명장양성프로젝트 【MDP】 과제발표회 자료집 Ⅱ | 191

input clk, rst;
input eoc;
input [7:0] adc_in;
output adc_clk;
output reg ale;
output reg start;
output reg oe;
output reg [2:0] channel;
output reg [7:0] adc_out;
reg adc_clk;
reg [7:0] adc_time;
reg [7:0] clk_cnt;
reg [2:0] state;
parameter s_IDLE=3'b000, s_START=3'b001, s_WAIT=3'b010, s_OE_SIG=3'b011,
s_CAPTURE=3'b100;
always@(posedge clk, negedge rst)
begin
if(!rst)
begin
clk_cnt <= 0;
adc_clk <= 0;
end
else
begin
if(clk_cnt >= 25 - 1)
begin

clk_cnt <= 0;
adc_clk <= ~adc_clk;
end
else
begin
clk_cnt <= clk_cnt + 1;
adc_clk <= adc_clk;
end
end
end
always@(posedge clk, negedge rst)
begin
if(!rst)
begin
adc_time <= 0;
end
else
begin
if(state == s_START || state == s_OE_SIG)