Z8S180 Zilog., Z8S180 Datasheet - Page 290

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

274
Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
UM005001-ZMP0400
Instruction
RETI (Z)
RLCA
RLA
RRCA
RRA
RLC g
RL g
RRC g
RR g
SLA g
SRA g
SRL g
*5 The upper and lower data show the state of M1 when IOC = 1 and IOC = 0 respectively.
Z8018x Family
MPU User Manual
Machine
Cycle
MC1
MC2
MC3
~MC5
MC6
MC7
MC8
MC9
MC10
MC1
MC1
MC2
MC3
States
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
TiTiTi
T1T2T3 1st Op Code
Ti
T1T2T3 2nd Op Code
T1T2T3 SP
T1T2T3 SP+1
T1T2T3 1st Op Code
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
Ti
Address
Address
Address
*
Address
*
Address
Address
Address
Address
*
Data
1st Op
Code
2nd Op
Code
Z
1st Op
Code
Z
2nd Op
Code
data
data
1st Op
Code
1st Op
Code
2nd Op
Code
Z
RD WR MREQ
0
0
1
0
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
0
1
0
0
0
0
0
0
1
IORQ M1 HALT ST
1
1
1
1
1
1
1
1
1
1
1
1
0*5
1
0*5
1
1*5
1
0*5
0
1*5
1
0*5
0
1*5
1
1*5
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
0
0
1
1