z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 296
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
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280
UM005003-0703
Instruction
INT0 Mode 2
INT1
INT2
Internal
Interrupts
Z8018x
Family MPU User Manual
Machine
Cycle
MC1
MC2
MC3
MC4
MC5
MC6
MC1
MC2
MC3
MC4
MC5
MC6
Table 52.
T1T2TW
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
States
TWT3
Ti
T1T2T3
T1T2,TW
T1T2,TW
TWT3
Ti
T1T2T3
T1T2T3
Interrupts (Continued)
Address
Next
Op Code
Address (PC)
*
SP-1
SP-2
I, Vector
I, Vector+1
Next
Op Code
Address (PC)
*
SP-1
SP-2
I, Vector
I, Vector+1
Data
Vector
Z
PCH
PCL
DATA
DATA
Z
PCH
PCL
DATA
DATA
RD WR MREQ IORQ M1 HALT ST
1
1
1
1
0
0
1
1
1
1
0
0
1
1
0
0
1
1
1
1
0
0
1
1
1
1
0
0
0
0
1
1
0
0
0
0
0
1
1
1
1
1
1
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
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
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