Zilog Z80180 Manual do Utilizador descarregar pdf (Página 286)

100

101

Z8018x

Family MPU User Manual

270

UM005003-0703

OTIM**

OTDM**

MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

MC2 T1T2T3 2nd Op Code

Address

2nd Op

Code

010 1 01 1

MC3 Ti * Z 111 1 11 1

MC4 T1T2T3HL DATA 010 1 11 1

MC5 T1T2T3 C to A0~A7

00H to

A8~A15

DATA 101 0 11 1

MC6 Ti * Z 111 1 11 1

OTIMR**

OTDMR**

(If Br¹0)

MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

MC2 T1T2T3 2nd Op Code

Address

2nd Op

Code

010 1 01 1

MC3 Ti * Z 1 1 1 1 1 1 1

MC4 T1T2T3HL DATA 010 1 11 1

MC5 T1T2T3 C to A0~A7

00H to

A8~A15

DATA 101 0 11 1

MC6~M

TiTiTi * Z 1 1 1 1 1 1 1

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

Instruction

Machine

Cycle States Address Data RD WR MREQ IORQ M1 HALT ST

1 2 ... 281 282 283 284 285 286 287 288 289 290 291 ... 325 326

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