Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 97

• 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

UM008005-0205
Add/Subtract Flag
for extended precision arithmetic. Also, the
Flag if the conditions for making the decimal adjustment are met.
For instructions
between the least significant byte (LSB) and most significant byte (MSB)
for any register or memory location. During instructions
SLA
or memory location. During instructions
Carry contains the last value shifted out of Bit
memory location.
For the logical instructions
The Carry Flag can also be set by the Set Carry Flag (
complemented by the Compliment Carry Flag (
The Add/Subtract Flag (N) is used by the
Accumulator
instructions. For
N is set to 1.
Add/Subtract Flag
The
distinguish between
instructions, N sets to 0. For all
Parity/Overflow Flag (P/V)
This flag is set to a specific state depending on the operation performed.
For arithmetic operations, this flag indicates an Overflow condition when
the result in the Accumulator is greater than the maximum possible number
, the Carry contains the last value shifted out of Bit 7 of any register
Decimal Adjust Accumulator
instruction (DAA) to distinguish between
RLA
ADD
ADD
,
instructions, N is cleared to 0. For SUB instructions,
RRA
and
,
AND
RLS
SUBTRACT
,
SUBTRACT
, and
OR
, and
RRS
instruction (
XOR
instructions. For all
RRCA
Decimal Adjust
, the Carry bit is used as a link
instructions, N sets to 1.
DAA
, the Carry is reset.
,
CCF
0
RRC
instruction sets the Carry
of any register or
) instructions.
DAA
,
SCF
SRA
Z80 Instruction Set
) uses this flag to
User’s Manual
) and
RLCA
ADD
, and
ADD
and
Z80 CPU
,
SRL
RLC
SUB
, the
, and
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