1
M1
2
Bus Indirizzi
P
MREQ
RD
16
WR
1
IORQ
2
INT
8
Clock
Bus Dati
M1
INT
IORQ
Daisy Chain
INT
IORQ
MREQ
RD
WR
I/O Parallelo
I/O
Timer/cont.
Memoria
Dati
Memoria
Program
ma
Clock
T1
T2
T3
M1
Addr
MREQ
RD
Data
Ciclo OP CODE Fetch
T4
T5
Clock
T1
T2
T3
Addr
MREQ
WR
Data
Ciclo Memory Write
T4
T5
Clock
T1
T2
T3
Addr
IORQ
WR
Data
Ciclo I/O Write
T4
T5
Clock
T1
T2
T3
INT
M1
Addr
IORQ
RD
Data
Ciclo Interrupt
T4
T5