Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 185

• 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

Description: The byte specified by the m operand is decremented.
Condition Bits Affected:
Example:
UM008005-0205
S is set if result is negative; reset otherwise
Z is set if result is zero; reset otherwise
H is set if borrow from bit 4, reset otherwise
P/V is set if m was 80H before operation; reset otherwise
N is set
C is not affected
If the D register contains byte 2AH, at execution of
contains 29H.
Instruction
DEC r
DEC (HL)
DEC (IX+d)
DEC (lY+d)
M Cycles
1
3
6
6
23 (4, 4, 3, 5, 4, 3)
23 (4, 4, 3, 5, 4, 3)
T States
11 (4, 4, 3)
4
DEC D
Z80 Instruction Set
User’s Manual
4 MHz E.T.
register D
Z80 CPU
1.00
2.75
5.75
5.75
165