Z8S180 Zilog., Z8S180 Datasheet - Page 295

• Manufacturer Part Number: Z8S180
• Description: ENHANCED Z180 MICROPROCESSOR
• Manufacturer: Zilog.

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