Iic代码verilog
时间: 2023-07-02 10:07:32 浏览: 114
IIC Verilog 代码
抱歉,IIC(Inter-Integrated Circuit)是一个串行通信协议,而Verilog是一种硬件描述语言。因此,你需要写Verilog代码来实现IIC协议。以下是一个简单的IIC主机发送数据的Verilog代码示例:
```verilog
module i2c_master(
input clk,
input rst,
output sda,
output scl
);
reg [7:0] data;
reg [6:0] addr;
reg [2:0] state;
assign sda = state[1];
assign scl = state[0];
parameter IDLE = 3'b000, START = 3'b001, ADDRESS = 3'b010, WRITE = 3'b011, ACK = 3'b100, STOP = 3'b101;
always @(posedge clk) begin
if (rst) begin
state <= IDLE;
end else begin
case (state)
IDLE: begin
state <= START;
end
START: begin
state <= ADDRESS;
end
ADDRESS: begin
state <= WRITE;
end
WRITE: begin
state <= ACK;
end
ACK: begin
state <= STOP;
end
STOP: begin
state <= IDLE;
end
default: begin
state <= IDLE;
end
endcase
end
end
endmodule
```
这只是一个简单的模板,你需要根据你的具体需求进行修改和扩展。请注意,这个模板只实现了IIC主机发送数据的功能,如果你需要实现更复杂的功能,例如从设备读取数据或处理IIC错误等,则需要进一步扩展代码。
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