Z80180 Datasheet, PDF(271/326 Page) Zilog, Inc. – Z8018x Family MPU

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Z80180 Datasheet, PDF (271/326 Pages) Zilog, Inc. – Z8018x Family MPU

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Z8018x Family

MPU User Manual

255

Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)

Instruction

Machine

Cycle States Address

Data

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

CPI

MC2

T1T2T3 2nd Op Code 2nd Op

CPD

Address

Code

MC3 T1T2T3 HL

DATA

MC4 TiTiTi *

Z

~MC6

MC1

CPIR

CPDR

(If BCR â 0 and

Ar = (HL)M)

MC2

MC3

T1T2T3 1st Op Code 1st Op

Address

Code

T1T2T3 2nd Op Code 2nd Op

Address

Code

T1T2T3 HL

DATA

MC4~M TiTiTi *

Z

C8

TiTi

CPIR

CPDR

(If BCR=0 or

Ar=(HL)M)

MC1

MC2

MC3

T1T2T3 1st Op Code 1st Op

Address

Code

T1T2T3 2nd Op Code 2nd Op

Address

Code

T1T2T3 HL

DATA

MC4~M TiTiTi *

Z

C6

CPL

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

DAA

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

MC2

Ti

*

Z

DI*1

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

* 1 Interrupt request is not sampled.

RD WR MREQ IORQ M1 HALT ST

010

1

01

0

010

1

01

1

010

111

1

11

1

1

11

1

010

1

01

0

010

1

01

1

010

111

1

11

1

1

11

1

010

1

01

0

010

1

01

1

010

111

1

11

1

1

11

1

010

1

01

0

010

1

01

0

111

010

1

11

1

1

01

0

UM005001-ZMP0400

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