Z80180 Datasheet, PDF(284/326 Page) Zilog, Inc. – Z8018x Family MPU

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Z80180 Datasheet, PDF (284/326 Pages) Zilog, Inc. – Z8018x Family MPU

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Z8018x Family

MPU User Manual

268

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

Instruction

LDIR

LDDR

(If BCRâ 0)

LDIR

LDDR

(If BCR=0)

MLT ww**

NEG

NOP

Machine

Cycle States Address

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 DE

DATA

MC5~M TiTi *

Z

C6

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

MC2

T1T2T3 2nd Op Code 2nd Op

Address

Code

MC3 T1T2T3 HL

DATA

MC4 T1T2T3 DE

DATA

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

MC2

T1T2T3 2nd Op Code 2nd Op

Address

Code

MC3 TiTiTTi *

Z

~MC13 TiTiTiTi

TiTiTi

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

MC2

T1T2T3 2nd Op Code 2nd Op

Address

Code

MC1

T1T2T3 1st Op Code 1st Op

Address

Code

RD WR MREQ IORQ M1 HALT ST

010

1

01

0

010

1

01

1

010

100

111

1

11

1

1

11

1

1

11

1

010

1

01

0

010

1

01

1

010

100

010

1

11

1

1

11

1

1

01

0

010

1

01

1

111

1

11

1

010

010

010

1

01

0

1

01

1

1

01

0

UM005001-ZMP0400

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