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I2C 的代码
i2c.c
/*************************此部分为I2C总线的驱动程序*************************************/
#include
#include
#include
#define NOP() _nop_() /* 定义空指令 */
#define _
i2c.lst
C51 COMPILER V7.10 I2C 02/15/2010 14:36:28 PAGE 1
C51 COMPILER V7.10, COMPILATION OF MODULE I2C
OBJECT MODULE PLACED IN I2C
i2c.v
//I2C interface
module i2c (
clock,
reset_n,
scl,
sda,
no_ack,
ready,
data_in,
data_out,
sa,
rw,
ra,
ini
);
input clock;
input reset_n;
output scl;
inout sda
i2c.npl
JDF G
// Created by Project Navigator ver 1.0
PROJECT I2C
DESIGN i2c
DEVFAM spartan2e
DEVFAMTIME 0
DEVICE xc2s50e
DEVICETIME 0
DEVPKG tq144
DEVPKGTIME 0
DEVSPEED -6
DEVSPEEDTIME 0
DEVTOPLE
i2c.npl
JDF G
// Created by Project Navigator ver 1.0
PROJECT I2C
DESIGN i2c
DEVFAM spartan2e
DEVFAMTIME 0
DEVICE xc2s50e
DEVICETIME 0
DEVPKG tq144
DEVPKGTIME 0
DEVSPEED -6
DEVSPEEDTIME 0
DEVTOPLE
i2c.fit.summary
Flow Status : Successful - Sat Jul 15 12:39:54 2006
Quartus II Version : 5.0 Build 148 04/26/2005 SJ Full Version
Revision Name : i2c
Top-level Entity Name : i2c
Family : MAX7000S
Device : EPM712
i2c.flow.rpt
Flow report for i2c
Sat Jul 15 12:40:00 2006
Version 5.0 Build 148 04/26/2005 SJ Full Version
---------------------
; Table of Contents ;
---------------------
1. Legal Notice
2. Flow S
i2c.tan.rpt
Timing Analyzer report for i2c
Sat Jul 15 12:39:59 2006
Version 5.0 Build 148 04/26/2005 SJ Full Version
---------------------
; Table of Contents ;
---------------------
1. Legal Notice
i2c.map.rpt
Analysis & Synthesis report for i2c
Sat Jul 15 12:39:43 2006
Version 5.0 Build 148 04/26/2005 SJ Full Version
---------------------
; Table of Contents ;
---------------------
1. Legal Not
i2c.vhd
-- <mark>I2C</mark>总线是一种非常常用的串行总线，它操作简便，占用接口少。本程序介绍操作一个<mark>I2C</mark>总线接口的EEPROM AT24C02
-- 的方法，使用户了解<mark>I2C</mark>总线协议和读写方法。
-- 实验过程是：按动开发板键盘某个键CPLD将拨码开关的数据写入EEPROM的某个地址，按动另外一个键，将刚写入的数据
-- 读回CPLD，并在数码管上显示。（ 按sw0写拨码 开关值入24c02,按sw1 ...