Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 151

• 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

Operation:
Op Code:
Operands:
Description: This 2-byte instruction transfers a byte of data from the memory location
Condition Bits Affected:
Example:
UM008005-0205
(DE) ← (HL), DE ← DE -1, HL ← HL-1, BC ← BC-1
LDD
—
addressed by the contents of the HL register pair to the memory location
addressed by the contents of the DE register pair. Then both of these register
pairs including the BC (Byte Counter) register pair are decremented.
S is not affected
Z is not affected
H is reset
P/V is set if BC -1 ≠ 0; reset otherwise
N is reset
C is not affected
If the HL register pair contains
byte
contains byte
LDD
addresses:
1
1
88H
results in the following contents in register pairs and memory
1
0
M Cycles
HL
(1111H)
DE
(2222H)
BC
, the DE register pair contains
1
1
4
66H
0
0
, and the BC register pair contains
1
1
contains
contains
contains
contains
contains
LDD
16 (4, 4, 3, 5)
1
0
T States
0
0
1111H
1110H
88H
2221H
88H
6H
1
0
, memory location
2222H
ED
A8
4 MHz E.T.
, memory location
4.00
7H
Z80 Instruction Set
, then instruction
User’s Manual
1111H
Z80 CPU
contains
2222H
131