Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 148

• 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

128
Operation:
Op Code:
Operands:
Description: A byte of data is transferred from the memory location addressed, by the
Condition Bits Affected:
Example:
UM008005-0205
Z80 CPU
User’s Manual
(DE) ← (HL), DE ← DE + 1, HL ← HL + 1, BC ← BC -1
LDI
(SP), HL
contents of the HL register pair to the memory location addressed by the
contents of the DE register pair. Then both these register pairs are
incremented and the BC (Byte Counter) register pair is 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
LDI
1
1
88H
results in the following contents in register pairs and memory addresses:
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
contains
contains
contains
contains
contains
1
0
16 (4, 4, 3, 5)
LDI
1
0
T States
1112H
88H
2223H
88H
6H
1111H
0
0
1
0
, memory location
2222H
ED
A0
, the memory location
4 MHz E.T.
4.00
7H
, then the instruction
Z80 Instruction Set
1111H
contains
2222H