Z8S180 Zilog., Z8S180 Datasheet - Page 285

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

Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
Instruction
OUT (m),A
OUT (C),g
OUT0 (m),g**
Machine
Cycle
MC1
MC2
MC3
MC4
MC1
MC2
MC3
MC4
MC1
MC2
MC3
MC4
MC5
States
T1T2T3 1st Op Code
T1T2T3 1st operand
Ti
T1T2T3 m to A0~A7
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
Ti
T1T2T3 BC
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
T1T2T3 1st operand
Ti
T1T2T3 m to A0~A7
Address
Address
Address
*
A to A8~A15
Address
Address
*
Address
Address
Address
*
00H to
A8~A15
Data
1st Op
Code
m
Z
A
1st Op
Code
2nd Op
Code
Z
g
1st Op
Code
2nd Op
Code
m
Z
g
RD WR MREQ
0
0
1
1
0
0
1
1
0
0
0
1
1
1
1
1
0
1
1
1
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
0
1
1
MPU User Manual
IORQ M1 HALT ST
1
1
1
0
1
1
1
0
1
1
1
1
0
UM005001-ZMP0400
Z8018x Family
0
1
1
1
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
0
1
1
1
0
1
1
1
1
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