z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 270

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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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254

Table 51.

UM005003-0703

Instruction

CALL mn

CALL f,mn (If

condition is false)

CALL f,mn

if condition is

true)

CCF

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

MC1

MC2

MC3

MC4

MC5

MC6

MC1

States

T1T2T3

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

T1T2T3

Address

1st Op Code

Address

1st operand

Address

2nd operand

Address

*

SP-1

SP-2

1st Op Code

Address

1st operand

Address

1st Op Code

Address

1st operand

Address

2nd operand

Address

*

SP-1

SP-2

1st Op Code

Address

Data

1st Op

Code

n

m

Z

PCH

PCL

1st Op

Code

n

1st Op

Code

n

m

Z

PCH

PCL

1st Op

Code

RD WR MREQ

0

0

0

1

1

1

0

0

0

0

0

1

1

1

0

1

1

1

1

0

0

1

1

1

1

1

1

0

0

1

0

0

0

1

0

0

0

0

0

0

0

1

0

0

0

IORQ M1 HALT ST

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

1

1

1

1

1

0

1

0

1

1

1

1

1

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

1

1

1

1

1

0

1

0

1

1

1

1

1

0

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