Z80182 Zilog., Z80182 Datasheet - Page 98

• Manufacturer Part Number: Z80182
• Description: Z8018x Family MPU
• Manufacturer: Zilog.

Zilog
General-Purpose I/O Port Timing
This figure shows the timing for the Ports A, B and C.
Parameters referred to in this figure appear in Tables D
and E.
3-98
/IORQ
D0-D7
A0-A7
A0-A7
/IORQ
D0-D7
/WR
Port
/WR
/RD
Port
0
I/O Port Timing (Output)
I/O Port Timing (Input)
T1
Previous Output
F2
F1
T2
Port Data Dir. Reg. Addr. (Input)
Port Data Dir. Reg. Addr. (Input)
E3
(In) 'OO'H (Change Port To Output)
(In) 'FF'H (Change Port To Input)
F8
E4
TW
T3
F4
F4
Port (Output)
F9
P R E L I M I N A R Y
T1
Figure 107. PORT Timing
E1
F2
F1
T2
Port Input Data 1 (In)
F3
Port Data Reg. Addr. (Input)
Port Data Reg. Addr. (Input)
E3
F6
F8
Port Output Data 1 (In)
TW
E2
T3
Port Data 1 (Out)
F5
F4
Port Output Data 1 (Out)
F9
T1
E1
F2
F1
T2
Port Input Data 2 (In)
F3
Port Data Reg. Addr. (Input)
F6
E3
Z
ILOG
F8
Port Data Reg.
Port Output Data 2 (In)
TW
I
NTELLIGENT
Port Data 2 Out
DS971820600
Port Output Data 2 (Out)
Z80182/Z8L182
P
T3
ERIPHERAL
F5
F4
E2