Z8018010PSG Zilog, Z8018010PSG Datasheet - Page 90
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
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Manufacturer
Quantity
Price
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Part Number:
Z8018010PSG
Manufacturer:
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Figure 35.
INT0 - Maskable Interrupt Level 0
The next highest priority external interrupt after NMI is INT0. INT0 is
sampled at the falling edge of the clock state prior to T3 or T1 in the last
machine cycle. If INT0 is asserted LOW at the falling edge of the clock
state prior to T3 or T1 in the last machine cycle, INT0 is accepted. The
interrupt is masked if either the IEF1 flag or the ITEO (Interrupt Enable
0) bit in ITC are reset to
1. IEF1 is
2. ITE0 is
The INT0 interrupt is unique in that 3 programmable interrupt response
modes are available - Mode 0, Mode 1 and Mode 2. The specific mode is
selected with the IM 0, IM 1 and IM 2 (Set Interrupt Mode) instructions.
During RESET, the Z8X180 is initialized to use Mode 0 for INT0. The 3
interrupt response modes for INT0 are:
•
•
•
INT0 Mode 0
During the interrupt acknowledge cycle, an instruction is fetched from the
data bus (DO–D7) at the rising edge of T3. Often, this instruction is one
of the eight single byte RST (RESTART) instructions which stack the PC
and restart execution at a fixed logical address. However, multibyte
instructions can be processed if the interrupt acknowledging device can
provide a multibyte response. Unlike all other interrupts, the PC is not
automatically stacked:
Interrupts) instruction
Mode 0–Instruction fetch from data bus
Mode 1–Restart at logical address
Mode 2–Low-byte vector table address fetch from data bus
0
1
NMI Timing
, so INT0 is masked
, so INT0 is enabled by execution of the El (Enable
0
. After RESET the state is as follows:
0038H
Family MPU User Manual
UM005003-0703
Z8018x
75
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