Z80180 Datasheet, PDF (287/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z8018x Family
MPU User Manual
271
Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
Instruction
OTIMR**
OTDMR**
(if Br= 0)
OUTI
OUTD
OTIR
OTDR
(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 T1T2T3 HL
DATA
MC4 T1T2T3 BC
DATA
MC1
T1T2T3 1st Op Code 1st Op
Address
Code
MC2
T1T2T3 2nd Op Code 2nd Op
Address
Code
MC3
T1T2T3 HL
DATA
MC4
T1T2T3 BC
DATA
MC5~M TiTi *
Z
C6
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
010
101
010
010
010
101
111
1
11
1
1
01
0
1
01
1
1
11
1
0
11
1
1
01
0
1
01
1
1
11
1
0
11
1
1
11
1
UM005001-ZMP0400