z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 279

• Manufacturer Part Number: z80189
• Description: Z80180, Z8s180, Z8l180 Mpu Operation
• Manufacturer: ZiLOG Semiconductor

Table 51.
Instruction
LD (IX+d),m
LD (IY+d),m
LD A, (BC)
LD A, (DE)
LD A,(mn)
LD (BC),A
LD (DE),A
Bus and Control Signal Condition in Each Machine Cycle (Continued)
Machine
Cycle
MC1
MC2
MC3
MC4
MC5
MC1
MC2
MC1
MC2
MC3
MC4
MC1
MC2
MC3
States
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
Ti
T1T2T3
Address
1st Op Code
Address
2nd Op Code
Address
1st operand
Address
2nd operand
Address
IX+ d
IY+d
1st Op Code
Address
BC
DE
1st Op Code
Address
1st operand
Address
2nd operand
Address
mn
1st Op Code
Address
*
BC
DE
Data
1st Op
Code
2nd Op
Code
d
m
DATA
1st Op
Code
DATA
1st Op
Code
n
m
DATA
1st Op
Code
Z
A
RD WR MREQ
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
Family MPU User Manual
0
0
0
0
0
0
0
0
0
0
0
0
1
0
IORQ M1 HALT ST
1
1
1
1
1
1
1
1
1
1
1
1
1
1
UM005003-0703
0
0
1
1
1
0
1
0
1
1
1
0
1
1
Z8018x
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
1
0
1
1
1
0
1
1
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