z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 273
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
- Current page: 273 of 326
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Table 51.
Instruction
EX (SP),IX
EX (SP),IY
HALT
IM0
IM1
IM2
INC g
DEC g
INC (HL)
DEC (HL)
Bus and Control Signal Condition in Each Machine Cycle (Continued)
Machine
Cycle
MC1
MC2
MC3
MC4
MC5
MC6
MC7
MC1
—
MC1
MC2
MC1
MC2
MC1
MC2
MC3
MC4
States
T1T2T3
T1T2T3
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
T1T2T3
—
T1T2T3
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
Ti
T1T2T3
Address
1st Op Code
Address
2nd Op Code
Address
SP
SP+1
*
SP+1
SP
1st Op Code
Address
Next Op Code
Address
1st Op Code
Address
2nd Op Code
Address
1st Op Code
Address
*
1st Op Code
Address
HL
*
HL
Data
1st Op
Code
2nd Op
Code
DATA
DATA
Z
IXH
IYH
IXL
IYL
1st Op
Code
Next Op
Code
1st Op
Code
2nd Op
Code
1st Op
Code
Z
1st Op
Code
DATA
Z
DATA
RD WR MREQ
0
0
0
0
1
1
1
0
0
0
0
0
1
0
0
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
0
Family MPU User Manual
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
1
0
IORQ M1 HALT ST
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
UM005003-0703
0
0
1
1
1
1
1
0
0
0
0
0
1
0
1
1
1
Z8018x
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
0
0
0
1
0
1
0
1
1
1
257
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