Z84C2008PEG Zilog, Z84C2008PEG Datasheet - Page 57

• 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

Table 3. Bubble Listing
UM008005-0205
Loc
Obj Code Stmt Source Statement
Examples of Programming Tasks
VALUE
Seventeen bytes are required for this operation.
As depicted in Table 3, this example program sorts an array of numbers to
ascending order, using a standard exchange sorting algorithm. These
numbers range from 0 to 255.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DAA
LD
INC
INC
DJNZ SUBDEC - $;DECREMENT B AND GO TO "SUBDEC"
;
;
;
;
;
;
;
;
;
;
;
;
(HL), A
HL
DE
standard exchange (bubble) sort routine
at entry:
at exit
use of registers
register
a
b
Hardware and Software Implementation Examples
;ADJUST RESULT TO DECIMAL CODED
;STORE RESULT
;ADVANCE MEMORY POINTERS
;IF B
;NOT ZERO, OTHERWISE FALL
;THROUGH
hl contains address of data
c contains number of elements to be sorted
(1 <c<256)
data sorted in ascending order
contents
temporary storage for calculations
counter for data array
User’s Manual
Z80 CPU
37