Z8018010PSG Zilog, Z8018010PSG Datasheet - Page 84
Z8018010PSG
Manufacturer Part Number
Z8018010PSG
Description
IC 10MHZ Z180 CMOS ENH MPU 64DIP
Manufacturer
Zilog
Specifications of Z8018010PSG
Processor Type
Z180
Features
8-Bit, Enhanced Z80 Megacell
Speed
10MHz
Voltage
5V
Mounting Type
Through Hole
Package / Case
64-DIP (0.750", 19.05mm)
Processor Series
Z8018xx
Core
Z80
Data Bus Width
8 bit
Maximum Clock Frequency
10 MHz
Number Of Timers
2
Operating Supply Voltage
0 V to 5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Minimum Operating Temperature
0 C
Core Size
8bit
Cpu Speed
10MHz
Digital Ic Case Style
DIP
No. Of Pins
64
Supply Voltage Range
4.5V To 5.5V
Operating Temperature Range
0°C To +70°C
Svhc
No SVHC (18-Jun-2010)
Base Number
8018010
Rohs Compliant
Yes
Clock Frequency
10MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-3889
Z8018010PSG
Z8018010PSG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8018010PSG
Manufacturer:
Zilog
Quantity:
40
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If IEF1 is
the DI (Disable Interrupts) instruction and set to
Interrupts) instruction.
The purpose of IEF2 is to correctly manage the occurrence of NMI.
During NMI, the prior interrupt reception state is saved and all maskable
interrupts are automatically disabled (IEF1 copied to IEF2 and then IEF1
cleared to
the RETN (Return from Non-maskable Interrupt) automatically restores
the interrupt receiving state (by copying IEF2 to IEF1) prior to the
occurrence of NMI.
Table 8 describes how the IEF2 state can be reflected in the P/V bit of the
CPU Status Register by executing LD A, I or LD A, R instructions.
Table 8.
CPU
Operation
RESET
NMI
RETN
Interrupt except
NMI end TRAP
RETI
TRAP
EI
0
0
State of IEF1 and IEF2
, all maskable interrupts are disabled. IEF1 can be reset to
). At the end of the NMI interrupt service routine, execution of
IEF1
0
0
IEF2
0
not affected not affected
not affected not affected
1
IEF2
0
IEF1
not affected Returns from the NMI service
0
1
Family MPU User Manual
REMARKS
Inhibits the interrupt except NMI
and TRAP.
Copies the contents of IEF1 to
IEF2
routine.
Inhibits the interrupt except NMI
end TRAP
1
by the El (Enable
UM005003-0703
Z8018x
0
by
69
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