Отправлено KA 03 декабря 2003 г. 13:56 В ответ на: Требуется помощь. отправлено Oleg_B 02 декабря 2003 г. 17:09

Name Address Decoder;
Partno ADDRESS DECODER FOR IGNITION CONTROLLER;
Revision 1.2;
Date 3,11, 2003;
Designer TIM DRURY editing by KA;
Company NONE;
Assembly NONE;
Location U1;
Device p16L8;

/*CHIP IGN_ADDR_DEC PAL16L8*/

pin 1 = A11;
pin 2 = A12;
pin 3 = A13;
pin 4 = A14;
pin 5 = A15;
pin 6 = E ;
pin 7 = RW ;
/*pin 8 = NC ;
pin 9 = NC ;
pin 10 = GND;
pin 11 = NC;
pin 12 = NC;
pin 13 = NC;*/
pin 14 = !ROM_WE;
pin 15 = !RAM_WE;
pin 16 = !RAM_OE;
pin 17 = !RAM;
pin 18 = !ROM_OE;
pin 19 = !ROM;
/*pin 20 = VCC;

EQUATIONS*/

RAM = A13 & !A14 & !A15;
RAM_OE = A13 & !A14 & !A15 & E & RW;
RAM_WE = A13 & !A14 & !A15 & E & !RW;

ROM = A13 & A14 & A15;
ROM_OE = A13 & A14 & A15 & E & RW;
ROM_WE = A13 & A14 & A15 & E & !RW;

/*SIMULATION

SETF A11 A12 A13 A14 A15 /E RW
SETF /E
SETF /E
SETF E
SETF E
SETF /E /RW
SETF /E
SETF E
SETF E RW
SETF /A11
SETF /E
SETF /E
SETF A11 /A14
SETF /A15
SETF /E
SETF /E
SETF E
SETF E
SETF /E
SETF /E
SETF /RW
SETF /E
SETF /E
SETF E
SETF E*/