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[求助]关于AT93C46的应用问题各位大侠：
小弟正在学习使用AT93C46串行存储芯片，可是无论我怎么编程都不能正确读写
小弟用的单片机是AT89C2051，我也是参照它的时序图编的
请诸位大侠帮帮忙，有什么建议和资料供小第参考，谢谢！
第2楼:
看一下源程序（C语言）c51bbs离线版的内容，更多的资料去www.ls-labs.com//------------------------------------------
/*通用93c06-93c86系列 普通封装*/
//93c01=93c46
//93c56=93c66
//93c76=93c86
//dipx 可以自行定义
#define di_93 dip3
#define sk_93 dip2
#define cs_93 dip1
#define do_93 dip4
#define gnd_93 dip5
#define org_93 dip6
void high46(void){
di_93=1;
sk_93=1;nop;sk_93=0;
nop;
}
void low46(void){
di_93=0;
sk_93=1;nop;sk_93=0;
nop;
}
void wd46(unsigned char dd){
unsigned char i;
for (i=0;i <8;i++) {
if (dd> =0x80) high46(); else low46();
dd=dd < <1;
}
}
unsigned char rd46(void){
unsigned char i,dd;
do_93=1;
for (i=0;i <8;i++) {
dd < <=1;
sk_93=1;nop;sk_93=0;
nop;
if (do_93) dd|=1;
}
return(dd);
}
void ewen46(void){
nop;
cs_93=1;
high46();
wd46(0x30);
cs_93=0;
}
//特殊封装
#define di_93a dip5
#define sk_93a dip4
#define cs_93a dip3
#define do_93a dip6
#define gnd_93a dip7
#define vcc_93a out_vcc(2)
void high46a(void){
di_93a=1;
sk_93a=1;nop;sk_93a=0;
nop;
}
void low46a(void){
di_93a=0;
sk_93a=1;nop;sk_93a=0;
nop;
}
void wd46a(unsigned char dd){
unsigned char i;
for (i=0;i <8;i++) {
if (dd> =0x80) high46a(); else low46a();
dd=dd < <1;
}
}
unsigned char rd46a(void){
unsigned char i,dd;
do_93a=1;
for (i=0;i <8;i++) {
dd < <=1;
sk_93a=1;nop;sk_93a=0;nop;
if (do_93a) dd|=1;
}
return(dd);
}
unsigned int read93c46_word(unsigned char address) {
unsigned int dat;
unsigned char dat0,dat1;
gnd_93a=0;
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
nop;
address=address> > 1;
address=address|0x80;
high46();
wd46(address);dat1=rd46();dat0=rd46();
cs_93=0;dat=dat1*256+dat0;
return(dat);
}
bit write93c46_word(unsigned char address,unsigned int dat){
unsigned char e,temp=address;
e=0;
while (e <3) {
gnd_93a=0;
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
ewen46();
nop;
cs_93=1;
nop;
high46();
address|=0x80;
address> > =1;
wd46(address);wd46(dat/256);wd46(dat%256);
cs_93=0;nop;cs_93=1;
time=0;do_93=1;
while (1) {
if (do_93==1) break;
if (time> 20) break;
}
cs_93=0;
if (read93c46_word(temp)==dat) {
return(0);
}
e++;
}
return(1);
}
//=============================================================
//93c57
void ewen57(void){
nop;
cs_93=1;
dip7=0;
high46();
low46();
wd46(0x60);
cs_93=0;
}
unsigned int read93c57_word(unsigned int address) {
unsigned int dat;
unsigned char dat0,dat1;
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
address=address> > 1;
high46();
high46();
wd46(address);dat1=rd46();dat0=rd46();
cs_93=0;dat=dat1*256+dat0;
return(dat);
}
bit write93c57_word(unsigned int address,unsigned int dat){
unsigned char e;
unsigned int temp=address;
e=0;
while (e <3) {
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
ewen57();
cs_93=1;
nop;
high46();
low46();
address> > =1;
address|=0x80;
wd46(address);wd46(dat/256);wd46(dat%256);
cs_93=0;nop;cs_93=1;
time=0;do_93=1;
while (1) {
if (do_93==1) break;
if (time> 20) break;
}
cs_93=0;
if (read93c57_word(temp)==dat) {
return(0);
}
e++;
}
return(1);
}
//=================================================
void ewen56(void){
nop;
cs_93=1;
high46();
low46();
low46();
wd46(0xc0);
cs_93=0;
}
unsigned int read93c56_word(unsigned int address) {
unsigned int dat;
unsigned char dat0,dat1;
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
address=address> > 1;
high46();
high46();
low46();
wd46(address);dat1=rd46();dat0=rd46();
cs_93=0;dat=dat1*256+dat0;
return(dat);
}
bit write93c56_word(unsigned int address,unsigned int dat){
unsigned char e;
unsigned int temp=address;
e=0;
while (e <3) {
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
ewen56();
nop;
cs_93=1;
nop;
high46();
low46();
high46();
address> > =1;
wd46(address);wd46(dat/256);wd46(dat%256);
cs_93=0;nop;cs_93=1;
TH0=0;
time=0;do_93=1;
while (1) {
if (do_93==1) break;
if (time) break;
}
cs_93=0;
if (read93c56_word(temp)==dat) {
return(0);
}
e++;
}
return(1);
}
//========================================================
//93c76 93c86
//=======================================================
void ewen76(void){
nop;
cs_93=1;
dip7=1;
high46();
low46();
low46();
high46();
high46();
wd46(0xff);
cs_93=0;
}
unsigned int read93c76_word(unsigned int address) {
unsigned char dat0,dat1;
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
address> > =1;
high46();
high46();
low46();
if((address&0x200)==0x200) high46(); else low46();
if ((address&0x100)==0x100) high46(); else low46();
wd46(address);dat1=rd46();dat0=rd46();
cs_93=0;
return(dat1*256|dat0);
}
bit write93c76_word(unsigned int address,unsigned int dat){
unsigned char e;
unsigned int temp=address;
e=0;
address> > =1;
while (e <3) {
gnd_93=0;
cs_93=sk_93=0;org_93=1;cs_93=1;
ewen76();
nop;
cs_93=1;
high46();
low46();
high46();
if((address&0x200)==0x200) high46(); else low46();
if ((address&0x100)==0x100) high46(); else low46();
wd46(address);wd46(dat/256);wd46(dat%256);
cs_93=0;nop;cs_93=1;
time=0;do_93=1;
while (1) {
if (do_93==1) break;
if (time> 10) break;
}
cs_93=0;
if (read93c76_word(temp)==dat) {
return(0);
}
e++;
}
return(1);
}
有没有汇编语言的程序阿？小弟愚昧，没
有没有汇编语言的程序阿？
小弟愚昧，没学C语言的单片机编程
十分感谢