Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 78

• 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

58
UM008005-0205
Z80 CPU
User’s Manual
Table 9. Block Transfer Group
Table 10. Block Search Group
Arithmetic and Logical
Table 11 lists all the 8-bit arithmetic operations that can be performed
with the accumulator, also listed are the increment (
Reg. Indir.
Reg. Indir.
(HL)
(ED)
A1
(ED)
B1
(ED)
A9
(ED)
B9
Note: HL points to location in memory to be compared with accumulator contents
BC Is byte counter
Location
Search
Destination
(DE)
CPI
Inc HL, Dec BC
CPRI. Inc HL, Dec BC
Repeat until) BC = 0 or find match
WD Dec HL and BC
CPDR Dec HL and BC
Repeat until BC = 0 or find match
Reg. Indir.
(HL)
(ED)
A0
(ED)
B0
(ED)
A8
(ED)
B8
Source
LDI - Load (DE) → (HL)
Inc HL and DE, Dec BC
LDIR, - Load (DE) →(HL)
Inc HL and DE, Dec BC, Repeat until BC = 0
LDD - Load (DE) → (HL)
Inc HL and DE, Dec BC
LDDR - Load (DE) → (HL)
Dec HL and DE, Dec BC, Repeat until BC = 0
Note:
Reg HL points to source
Reg DE points to destination
Reg BC is byte counter
Z80 CPU Instruction Description
INC
) and decrement