Z80182 Zilog., Z80182 Datasheet - Page 58

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

Zilog
Z182 MISCELLANEOUS CONTROL AND INTERFACE REGISTERS
Interrupt Acknowledge Transaction
Z80182/Z8L182
Data Bus
(DD
Z80182/Z8L182
Data Bus
(DD
I/O And Memory Transactions
Z80182
/Z8L182
Data Bus
DD
Z80182
/Z8L182
Data Bus
(DD
Interrupt Acknowledge Transaction
Z80182/Z8L182
Data Bus
(DD
Z80182/Z8L182
Data Bus
(DD
3-58
OUT
OUT
OUT
OUT
OUT
OUT
=0)
=0)
=1)
=1)
=0)
=1)
Peripherals
to On-Chip
I/O Write
In
In
Table 13b. Data Bus Direction (Z80182/Z8L182 is not Bus Master)
Table 13a. Data Bus Direction (Z80182/Z8L182 is not Bus Master)
From On-Chip
Peripherals
Peripheral (IEI=1)
I/O Read
Intack For
Out
Out
On-Chip
Table 12b. Data Bus Direction (Z182 Bus Master)
Peripheral
Intack For
On-Chip
Out
Z
Out
Out
Peripherals
to Off-Chip
P R E L I M I N A R Y
I/O Write
Z
Z
From Off-Chip
Peripherals
I/O Read
Z
Z
Peripheral (IEI=0)
Peripheral
Intack For
Intack For
Memory
Off-Chip
Off-Chip
Write
To
Z
Z
In
In
In
In
From
Read
Mode
In
In
Z
Refresh
ILOG
Z
Z
I
NTELLIGENT
DS971820600
Z80182/Z8L182
Idle Mode
Z80182
P
ERIPHERAL
Z
Z