Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 147

• 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: The low order byte in Index Register IY is exchanged with the contents of
Condition Bits Affected: None
Example:
UM008005-0205
IYH ↔ (SP+1), IYL ↔ (SP)
EX
(SP), IY
the memory address specified by the contents of register pair SP (Stack
Pointer), and the high order byte of IY is exchanged with the next highest
memory address (SP+1).
If the Index Register IY contains
0100H
0101H
IY register pair containing number
containing
Pointer containing
1
1
, memory location
1
1
contains byte
M Cycles
88H
1
1
6
, memory location
1
0
0100H
48H
EX (SP), IY
1
0
23 (4, 4, 3, 4, 3, 5)
, then the instruction
0100H
.
1
0
T States
0
1
3988H
contains byte
0101H
4890H
1
1
, the SP register pair contains
FD
E3
containing
, memory location
4 MHz E.T.
EX (SP)
90H
5.75
, and memory location
39H
,
Z80 Instruction Set
IY
User’s Manual
, and the Stack
results in the
0100H
Z80 CPU
127