Z8S180 Zilog., Z8S180 Datasheet - Page 275

• Manufacturer Part Number: Z8S180
• Description: ENHANCED Z180 MICROPROCESSOR
• Manufacturer: Zilog.

Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
Instruction
IN g,(C)
INO g,(m)**
INI
IND
INIR
INDR
(If Br 0)
Machine
Cycle
MC1
MC2
MC3
MC1
MC2
MC3
MC4
MC1
MC2
MC3
MC4
MC1
MC2
MC3
MC4
MC5~M
C6
States
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
T1T2T3 BC
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
T1T2T3 1st operand
T1T2T3 m to A0~A7
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
T1T2T3 BC
T1T2T3 HL
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
T1T2T3 BC
T1T2T3 HL
TiTi
Address
Address
Address
Address
Address
Address
00H to
A8~A15
Address
Address
Address
Address
*
Data
1st Op
Code
2nd Op
Code
DATA
1st Op
Code
2nd Op
Code
m
DATA
1st Op
Code
2nd Op
Code
DATA
DATA
1st Op
Code
2nd Op
Code
DATA
DATA
Z
RD WR MREQ
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
0
0
1
0
0
0
1
0
0
1
0
0
0
1
0
1
MPU User Manual
IORQ M1 HALT ST
1
1
0
1
1
1
0
1
1
0
1
1
1
0
1
1
UM005001-ZMP0400
Z8018x Family
0
0
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
0
1
1
1
0
1
1
1
0
1
1
1
1
259