Z84C9008VSG Zilog, Z84C9008VSG Datasheet - Page 194

• Manufacturer Part Number: Z84C9008VSG
• Description: IC 8MHZ Z80 KIO 84-PLCC
• Manufacturer: Zilog
• Series: Z80r

Specifications of Z84C9008VSG

• Processor Type: Z80
• Features: Serial/Parallel Input/Output, Counter/Timer Circuit
• Speed: 8MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 84-LCC (J-Lead)
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Cpu Speed: 8MHz
• Digital Ic Case Style: LCC
• No. Of Pins: 84
• Supply Voltage Range: 5V
• Operating Temperature Range: 0°C To +70°C
• Svhc: No SVHC (18-Jun-2010)
• Rohs Compliant: Yes
• 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