Z80180 Datasheet, PDF (286/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z8018x Family
MPU User Manual
270
Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
Instruction
OTIM**
OTDM**
OTIMR**
OTDMR**
(If Br≠0)
Machine
Cycle States Address
Data
MC1
T1T2T3 1st Op Code 1st Op
Address
Code
MC2
T1T2T3 2nd Op Code 2nd Op
Address
Code
MC3 Ti
*
Z
MC4 T1T2T3 HL
DATA
MC5
T1T2T3 C to A0~A7
00H to
A8~A15
DATA
MC6 Ti
*
Z
MC1
T1T2T3 1st Op Code 1st Op
Address
Code
MC2
T1T2T3 2nd Op Code 2nd Op
Address
Code
MC3 Ti
*
Z
MC4 T1T2T3 HL
DATA
MC5
T1T2T3 C to A0~A7
00H to
A8~A15
DATA
MC6~M TiTiTi *
Z
C8
RD WR MREQ IORQ M1 HALT ST
010
1
01
0
010
1
01
1
111
010
101
1
11
1
1
11
1
0
11
1
111
010
010
111
010
101
1
11
1
1
01
0
1
01
1
1
11
1
1
11
1
0
11
1
111
1
11
1
UM005001-ZMP0400