z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 280

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

264
Table 51.
UM005003-0703
Instruction
LD (mn),A
LD A,I
LD A,R
LD I,A
LD R,A
LD ww, mn
LD IX,mn
LD IY,mn
*4 In the case of R1 and Z MASK, interrupt request is not sampled.
Z8018x
Family MPU User Manual
*4
Bus and Control Signal Condition in Each Machine Cycle (Continued)
Machine
Cycle
MC1
MC2
MC3
MC4
MC5
MC1
MC2
MC1
MC2
MC3
MC1
MC2
MC3
MC4
States
T1T2T3
T1T2T3
T1T2T3
Ti
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
Address
1st Op Code
Address
1st operand
Address
2nd operand
Address
*
mn
1st Op Code
Address
2nd Op Code
Address
1st Op Code
Address
1st operand
Address
2nd operand
Address
1st Op Code
Address
2nd Op Code
Address
1st operand
Address
2nd operand
Address
Data
1st Op
Code
n
m
Z
A
1st Op
Code
2nd Op
Code
1st Op
Code
n
m
1st Op
Code
2nd Op
Code
n
m
RD WR MREQ
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
0
1
1
1
1
1
1
1
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
IORQ M1 HALT ST
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
0
0
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
0
1
0
1
1
0
1
1
1