資源簡介
摘要:以FPGA為核心器件,嵌入mc8051 IP核,1602液晶顯示器等作為外圍,設計的等精度頻率計。通過1602液晶顯示被測頻率值,閘門時間自動調整,測量范圍為0.1Hz—100MHz。
代碼片段和文件信息
#include?“delay.h“
//#include?“typedefine.h“
/*1us延時子函數*/
void?Delay_1us(void)
{
????_nop_();
}
/*n*1us延時子函數*/
void?Delay_nus(uint16?n)
{
????uint16?i=0;
????for?(i=0;?i ????{
????????Delay_1us();
????}
}
/*1mS延時子函數*/
void?Delay_1ms(void)
{
????uint16?i;
????for(i=1;?i<(uint16)(xtal*143-2);?i++)
????{
????????;
????}
}
/*n*1mS延時子函數*/
void?Delay_nms(uint16?n)
{
????uint16?i;
????for(i=0;?i ????{
????????Delay_1ms();
????}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????2489??2013-03-22?14:34??MC8051移植及100M頻率計設計詳細步驟\mc8051\counter_32.bsf
?????文件????????377??2013-03-22?14:34??MC8051移植及100M頻率計設計詳細步驟\mc8051\counter_32.qip
?????文件???????4567??2013-03-22?14:34??MC8051移植及100M頻率計設計詳細步驟\mc8051\counter_32.v
?????文件???????3883??2013-03-22?14:34??MC8051移植及100M頻率計設計詳細步驟\mc8051\counter_32_bb.v
?????文件???????9293??2013-03-22?11:07??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\altsyncram_hua1.tdf
?????文件???????8955??2013-03-24?16:21??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\altsyncram_j481.tdf
?????文件???????9338??2013-03-22?11:07??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\altsyncram_jkb1.tdf
?????文件???????9171??2013-03-22?11:07??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\altsyncram_qp91.tdf
?????文件?????200992??2013-04-01?23:39??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\logic_util_heursitic.dat
?????文件???????4841??2013-03-28?15:06??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(0).cnf.cdb
?????文件???????1882??2013-03-28?15:06??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(0).cnf.hdb
?????文件???????7458??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(1).cnf.cdb
?????文件???????3891??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(1).cnf.hdb
?????文件???????1963??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(10).cnf.cdb
?????文件???????1115??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(10).cnf.hdb
?????文件???????1127??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(11).cnf.cdb
?????文件????????953??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(11).cnf.hdb
?????文件???????4325??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(12).cnf.cdb
?????文件???????1175??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(12).cnf.hdb
?????文件???????2382??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(13).cnf.cdb
?????文件???????1079??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(13).cnf.hdb
?????文件??????37258??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(14).cnf.cdb
?????文件???????3707??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(14).cnf.hdb
?????文件??????25106??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(15).cnf.cdb
?????文件???????2603??2013-03-23?11:59??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(15).cnf.hdb
?????文件???????1777??2013-03-23?12:27??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(16).cnf.cdb
?????文件???????1187??2013-03-23?12:27??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(16).cnf.hdb
?????文件???????1950??2013-03-23?12:00??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(17).cnf.cdb
?????文件???????1049??2013-03-23?12:00??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(17).cnf.hdb
?????文件???????1953??2013-03-23?12:00??MC8051移植及100M頻率計設計詳細步驟\mc8051\db\mc8051.(18).cnf.cdb
............此處省略272個文件信息
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