Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 194

• Manufacturer Part Number: Z84C2008PEG
• Description: IC 8MHZ Z80 CMOS PIO 40-DIP
• Manufacturer: Zilog
• Series: Z80r

Specifications of Z84C2008PEG

• Processor Type: Z80
• Features: Low Power CMOS
• Speed: 8MHz
• Voltage: 5V
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.620", 15.75mm)
• Cpu Speed: 8MHz
• Digital Ic Case Style: DIP
• No. Of Pins: 40
• Supply Voltage Range: 5V
• Operating Temperature Range: -40°C To +100°C
• Svhc: No SVHC (18-Jun-2010)
• Rohs Compliant: Yes
• Processor Series: Z84C2xx
• Core: Z80
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 16
• Operating Supply Voltage: 0 V to 5 V
• Maximum Operating Temperature: + 100 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Base Number: 84
• Clock Frequency: 8MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

174
Operation:
Op Code:
Description: DI disables the maskable interrupt by resetting the interrupt enable flip-
Condition Bits Affected: None
Example:
UM008005-0205
Z80 CPU
User’s Manual
IFF ← 0
DI
flops (IFF1 and IFF2). Note that this instruction disables the maskable
interrupt during its execution.
When the CPU executes the instruction
disabled until it is subsequently re-enabled by an EI instruction. The CPU
does not respond to an Interrupt Request (INT) signal.
1
1
M cycles
1
1
1
0
0
DI
T States
1
4
1
DI
F3
the maskable interrupt is
4 MHz E.T.
1.00
Z80 Instruction Set