Z8018X Datasheet, PDF (281/326 Pages) Zilog, Inc. – Family MPU

Z8018x Family
MPU User Manual
265
Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
Instruction
LD HL, (mn)
LD ww,(mn)
LD IX,(mn)
LD IY,(mn)
Machine
Cycle States Address
Data
MC1
MC2
MC3
MC4
MC5
MC1
MC2
MC3
MC4
MC5
MC6
MC1
MC2
MC3
MC4
MC5
MC6
T1T2T3 1st Op Code 1st Op
Address
Code
T1T2T3 1st operand n
Address
T1T2T3 2nd operand m
Address
T1T2T3 mn
DATA
T1T2T3 mn+1
DATA
T1T2T3 1st Op Code 1st Op
Address
Code
T1T2T3 2nd Op Code 2nd Op
Address
Code
T1T2T3 1st operand n
Address
T1T2T3 2nd operand m
Address
T1T2T3 mn
DATA
T1T2T3 mn+ 1
DATA
T1T2T3 1st Op Code 1st Op
Address
Code
T1T2T3 2nd Op Code 2nd Op
Address
Code
T1T2T3 1st operand n
Address
T1T2T3 2nd operand m
Address
T1T2T3 mn
DATA
T1T2T3 mn+1
DATA
RD WR MREQ IORQ M1 HALT ST
010
1
01
0
010
1
11
1
010
1
11
1
010
010
010
1
11
1
1
11
1
1
01
0
010
1
01
1
010
1
11
1
010
1
11
1
010
010
010
1
11
1
1
11
1
1
01
0
010
1
01
1
010
1
11
1
010
1
11
1
010
010
1
11
1
1
11
1
UM005001-ZMP0400