z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 284

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

268
Table 51.
UM005003-0703
Instruction
LDIR
LDDR
(If BCR¹0)
LDIR
LDDR
(If BCR=0)
MLT ww**
NEG
NOP
Z8018x
Family MPU User Manual
Bus and Control Signal Condition in Each Machine Cycle (Continued)
Machine
Cycle
MC1
MC2
MC3
MC4
MC5~M
C6
MC1
MC2
MC3
MC4
MC1
MC2
MC3
~MC13
MC1
MC2
MC1
States
T1T2T3
T1T2T3
T1T2T3
T1T2T3
TiTi
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
T1T2T3
TiTiTTi
TiTiTiTi
TiTiTi
T1T2T3
T1T2T3
T1T2T3
Address
1st Op Code
Address
2nd Op Code
Address
HL
DE
*
1st Op Code
Address
2nd Op Code
Address
HL
DE
1st Op Code
Address
2nd Op Code
Address
*
1st Op Code
Address
2nd Op Code
Address
1st Op Code
Address
Data
1st Op
Code
2nd Op
Code
DATA
DATA
Z
1st Op
Code
2nd Op
Code
DATA
DATA
1st Op
Code
2nd Op
Code
Z
1st Op
Code
2nd Op
Code
1st Op
Code
RD WR MREQ
0
0
0
1
1
0
0
0
1
0
0
1
0
0
0
1
1
1
0
1
1
1
1
0
1
1
1
1
1
1
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
IORQ M1 HALT ST
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
0
0
1
1
0
0
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
1
1
1
0
1
1
0
1
0