z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 295
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
- Current page: 295 of 326
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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.
States
T1T2T3
T1T1
T1T2T3
T1T2T3
T1T2TW
TWT3
T1T1
T1T2T3
T1T2T3
T1T2Tw
TWT3
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
T1T2TW
TWT3
T1T2T3
T1T2T3
Interrupts
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
Family MPU User Manual
0
1
0
0
1
1
0
0
1
0
0
1
0
0
1
0
0
1
1
1
1
0
1
1
1
0
1
1
1
1
1
0
1
1
UM005003-0703
0
1
1
1
0
1
1
1
0
1
1
1
1
1
0
1
1
Z8018x
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
279
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