z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 286
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
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Table 51.
UM005003-0703
Instruction
OTIM**
OTDM**
OTIMR**
OTDMR**
(If Br¹0)
Z8018x
Family MPU User Manual
Bus and Control Signal Condition in Each Machine Cycle (Continued)
Machine
Cycle
MC1
MC2
MC3
MC4
MC5
MC6
MC1
MC2
MC3
MC4
MC5
MC6~M
C8
States
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
TiTiTi
Address
1st Op Code
Address
2nd Op Code
Address
*
HL
C to A0~A7
00H to
A8~A15
*
1st Op Code
Address
2nd Op Code
Address
*
HL
C to A0~A7
00H to
A8~A15
*
Data
1st Op
Code
2nd Op
Code
Z
DATA
DATA
Z
1st Op
Code
2nd Op
Code
Z
DATA
DATA
Z
RD WR MREQ
0
0
1
0
1
1
0
0
1
0
1
1
1
1
1
1
0
1
1
1
1
1
0
1
0
0
1
0
1
1
0
0
1
0
1
1
IORQ M1 HALT ST
1
1
1
1
0
1
1
1
1
1
0
1
0
0
1
1
1
1
0
0
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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