该实验是测试通过IIC协议与EEPROM通信，并且将掉电保存的数据存到EEPROM中，大家如果需要可以下载测试。
2021-04-18 09:02:09
2.70MB
1
FPGA 读写i2c_eeprom_Verilog逻辑源码Quartus工程文件+文档说明，EEPROM 型号24LC04,，FPGA型号Cyclone4E系列中的EP4CE6F17C8，Quartus版本17.1。
module i2c_eeprom_test(
input clk,
input rst_n,
input key1,
inout i2c_sda,
inout i2c_scl,
output [5:0] seg_sel,
output [7:0] seg_data
);
localparam S_IDLE = 0;
localparam S_READ = 1;
localparam S_WAIT = 2;
localparam S_WRITE = 3;
reg[3:0] state;
wire button_negedge;
reg[7:0] read_data;
reg[31:0] timer;
wire scl_pad_i;
wire scl_pad_o;
wire scl_padoen_o;
wire sda_pad_i;
wire sda_pad_o;
wire sda_padoen_o;
reg[ 7:0] i2c_slave_dev_addr;
reg[15:0] i2c_slave_reg_addr;
reg[ 7:0] i2c_write_data;
reg i2c_read_req;
wire i2c_read_req_ack;
reg i2c_write_req;
wire i2c_write_req_ack;
wire[7:0] i2c_read_data;
ax_debounce ax_debounce_m0
(
.clk (clk),
.rst (~rst_n),
.button_in (key1),
.button_posedge (),
.button_negedge (button_negedge),
.button_out ()
);
wire[6:0] seg_data_0;
seg_decoder seg_decoder_m0(
.bin_data (read_data[3:0]),
.seg_data (seg_data_0)
);
wire[6:0] seg_data_1;
seg_decoder seg_decoder_m1(
.bin_data (read_data[7:4]),
.seg_data (seg_data_1)
);
seg_scan seg_scan_m0(
.clk (clk),
.rst_n (rst_n),
.seg_sel (seg_sel),
.seg_data (seg_data),
.seg_data_0 ({1'b1,7'b1111_111}),
.seg_data_1 ({1'b1,7'b1111_111}),
.seg_data_2 ({1'b1,7'b1111_111}),
.seg_data_3 ({1'b1,7'b1111_111}),
.seg_data_4 ({1'b1,seg_data_1}),
.seg_data_5 ({1'b1,seg_data_0})
);
always@(posedge clk or negedge rst_n)
begin
if(rst_n == 1'b0)
begin
state <= S_IDLE;
i2c_write_req <= 1'b0;
read_data <= 8'h00;
timer <= 32'd0;
i2c_write_data <= 8'd0;
i2c_slave_reg_addr <= 16'd0;
i2c_slave_dev_addr <= 8'ha0;//1010 000 0(default address ‘000’ write operation)
i2c_read_req <= 1'b0;
en
2021-04-12 20:03:50
6.29MB
STM32密码锁基于EEPROM的写入和读取,使用按键输入数字，写入数组，将数组存入EEPROM中，首次进入需设置初始密码，输入密码三次错误，蜂鸣器报警
2021-04-08 22:48:25
4.67MB
1
工程名称：可控硅调光调速器
遥控类型：红外遥控
单片机型号：STC15W204S
工程带有红外解码程序、EEPROM操作程序、可控硅调光调速程序、可控硅开关程序、串口服务程序、中断服务程序等常用程序，供大家参考。
2021-04-07 18:18:46
65KB
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