设有一个SPJ数据库
设有一个SPJ数据库,包括S、P、J、SPJ四个关系模式: S(SNO,SNAME,STATUS,CITY) P(PNO,PNAME,COLOR,WEIGHT) J(JNO,JNAME,CITY) SPJ(SNO,PNO,JNO,QTY) 供应商表S由供应商代码SNO、供应商姓名SN...
设有一个SPJ数据库,包括S、P、J、SPJ四个关系模式: S(SNO,SNAME,STATUS,CITY) P(PNO,PNAME,COLOR,WEIGHT) J(JNO,JNAME,CITY) SPJ(SNO,PNO,JNO,QTY) 供应商表S由供应商代码SNO、供应商姓名SN...
16 relay output channels and 16 isolated digital input channels LED indicators to show activated relays Jumper selectable Form A/Form B-type rel...
// -*- Mode: Verilog -*- // Filename : wb_master.v // Description : Wishbone Master Behavorial // Author : Winefred Washington // Created On : 200...
The CAT28LV64 is a low voltage, low power, CMOS Parallel EEPROM organized as 8K x 8−bits. It requires a simple interface for in−system pro...
--- ----initial--- - MOVLA 00H IODIR PA IODIR PB IODIR PC MOVAM PA MOVAM BSR MOVAM STATUS MOVAM TMR0 MOVAM TMR1 MOVAM TMR2 -----...