z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 273

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z80189

Manufacturer Part Number

z80189

Description

Z80180, Z8s180, Z8l180 Mpu Operation

Manufacturer

ZiLOG Semiconductor

Datasheet

1.Z80189.pdf (326 pages)

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Table 51.

Instruction

EX (SP),IX

EX (SP),IY

HALT

IM0

IM1

IM2

INC g

DEC g

INC (HL)

DEC (HL)

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

Machine

Cycle

MC1

MC2

MC3

MC4

MC5

MC6

MC7

MC1

—

MC1

MC2

MC1

MC2

MC1

MC2

MC3

MC4

States

T1T2T3

T1T2T3

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

T1T2T3

—

T1T2T3

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

Ti

T1T2T3

Address

1st Op Code

Address

2nd Op Code

Address

SP

SP+1

*

SP+1

SP

1st Op Code

Address

Next Op Code

Address

1st Op Code

Address

2nd Op Code

Address

1st Op Code

Address

*

1st Op Code

Address

HL

*

HL

Data

1st Op

Code

2nd Op

Code

DATA

DATA

Z

IXH

IYH

IXL

IYL

1st Op

Code

Next Op

Code

1st Op

Code

2nd Op

Code

1st Op

Code

Z

1st Op

Code

DATA

Z

DATA

RD WR MREQ

0

0

0

0

1

1

1

0

0

0

0

0

1

0

0

1

1

1

1

1

1

1

0

0

1

1

1

1

1

1

1

1

1

0

Family MPU User Manual

0

0

0

0

1

0

0

0

0

0

0

0

1

0

0

1

0

IORQ M1 HALT ST

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

UM005003-0703

0

0

1

1

1

1

1

0

0

0

0

0

1

0

1

1

1

Z8018x

1

1

1

1

1

1

1

1

0

1

1

1

1

1

1

1

1

0

1

1

1

1

1

1

0

0

0

1

0

1

0

1

1

1

257

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