z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 286

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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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270

Table 51.

UM005003-0703

Instruction

OTIM**

OTDM**

OTIMR**

OTDMR**

(If Br¹0)

Z8018x

Family MPU User Manual

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

Machine

Cycle

MC1

MC2

MC3

MC4

MC5

MC6

MC1

MC2

MC3

MC4

MC5

MC6~M

C8

States

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

TiTiTi

Address

1st Op Code

Address

2nd Op Code

Address

*

HL

C to A0~A7

00H to

A8~A15

*

1st Op Code

Address

2nd Op Code

Address

*

HL

C to A0~A7

00H to

A8~A15

*

Data

1st Op

Code

2nd Op

Code

Z

DATA

DATA

Z

1st Op

Code

2nd Op

Code

Z

DATA

DATA

Z

RD WR MREQ

0

0

1

0

1

1

0

0

1

0

1

1

1

1

1

1

0

1

1

1

1

1

0

1

0

0

1

0

1

1

0

0

1

0

1

1

IORQ M1 HALT ST

1

1

1

1

0

1

1

1

1

1

0

1

0

0

1

1

1

1

0

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

1

1

1

1

1

0

1

1

1

1

1

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