Z80180 Datasheet, PDF (295/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z8018x Family
MPU User Manual
279
INTERRUPTS
Table 52. Interrupts
Instruction
Machine
Cycle States
MC1 T1T2T3
NMI
MC2
~MC3
MC4
MC5
MC1
INT0 Mode 0
(RST Inserted)
MC2
~MC3
MC4
MC5
MC1
T1T1
T1T2T3
T1T2T3
T1T2TW
TWT3
T1T1
T1T2T3
T1T2T3
T1T2Tw
TWT3
INT0 Mode 0
(Call
Inserted)
INT0 Mode 1
MC2
MC3
MC4
MC5
MC6
MC1
MC2
MC3
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
T1T2TW
TWT3
T1T2T3
T1T2T3
Address Data
Next Op
Code
Address (PC)
*
Z
RD WR MREQ IORQ M1 HALT ST
010
1
01
0
111
1
11
1
SP-1
SP-2
Next Op
Code
Address
*
PCH
100
PCL
100
1st (PC) 1 1 1
Op Code
Z
111
1
11
1
1
11
1
0
01
0
1
11
1
SP-1
PCH
100
SP-2
PCL
100
Next Op
1st
111
Code
Op Code
Address (PC)
PC
n
010
PC+1
m
010
*
Z
111
SP-1
PC+2(H) 1 0 0
SP-2
PC+2(L) 1 0 0
Next
Op Code
Address (PC)
111
SP-1
PCH
100
SP-2
PCL
100
1
11
1
1
11
1
0
01
0
1
11
1
1
11
1
1
11
1
1
11
1
1
11
1
0
01
0
1
11
1
1
11
1
UM005001-ZMP0400