z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 296

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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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280

UM005003-0703

Instruction

INT0 Mode 2

INT1

INT2

Internal

Interrupts

Z8018x

Family MPU User Manual

Machine

Cycle

MC1

MC2

MC3

MC4

MC5

MC6

MC1

MC2

MC3

MC4

MC5

MC6

Table 52.

T1T2TW

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

States

TWT3

Ti

T1T2T3

T1T2,TW

T1T2,TW

TWT3

Ti

T1T2T3

T1T2T3

Interrupts (Continued)

Address

Next

Op Code

Address (PC)

*

SP-1

SP-2

I, Vector

I, Vector+1

Next

Op Code

Address (PC)

*

SP-1

SP-2

I, Vector

I, Vector+1

Data

Vector

Z

PCH

PCL

DATA

DATA

Z

PCH

PCL

DATA

DATA

RD WR MREQ IORQ M1 HALT ST

1

1

1

1

0

0

1

1

1

1

0

0

1

1

0

0

1

1

1

1

0

0

1

1

1

1

0

0

0

0

1

1

0

0

0

0

0

1

1

1

1

1

1

1

1

1

1

1

0

1

1

1

1

1

1

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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