Z8S180 Zilog., Z8S180 Datasheet - Page 286

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

270
Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
UM005001-ZMP0400
Instruction
OTIM**
OTDM**
OTIMR**
OTDMR**
(If Br 0)
Z8018x Family
MPU User Manual
Machine
Cycle
MC1
MC2
MC3
MC4
MC5
MC6
MC1
MC2
MC3
MC4
MC5
MC6~M
C8
States
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
Ti
T1T2T3 HL
T1T2T3 C to A0~A7
Ti
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
Ti
T1T2T3 HL
T1T2T3 C to A0~A7
TiTiTi
Address
Address
Address
*
00H to
A8~A15
*
Address
Address
*
00H to
A8~A15
*
Data
1st Op
Code
2nd Op
Code
Z
DATA
DATA
Z
1st Op
Code
2nd Op
Code
Z
DATA
DATA
Z
RD WR MREQ
0
0
1
0
1
1
0
0
1
0
1
1
1
1
1
1
0
1
1
1
1
1
0
1
0
0
1
0
1
1
0
0
1
0
1
1
IORQ M1 HALT ST
1
1
1
1
0
1
1
1
1
1
0
1
0
0
1
1
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
1
0
1
1
1
1
1