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PICAXE08 Datasheet Preview

PICAXE08 Datasheet

Microcontroller Programming System

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PICAXE-08 SYSTEM
1
PICAXE-08 MICROCONTROLLER
PROGRAMMING SYSTEM
mPICAXE-08
o+V
.cSerial In
Pin 4
Pin 3
1
2
3
4
8 0V
7 Pin 0 / Serial Out
6 Pin 1
5 Pin 2
t4UThe ‘PICAXE’ is an easy-to-program microcontroller system that exploits the unique
characteristics of the new generation of low-cost ‘FLASH’ memory based
emicrocontrollers. These microcontrollers can be programmed over and over again
without the need for an expensive programmer.
heThe power of the PICAXE-08 system is its simplicity. No programmer, eraser or
complicated electronic system is required - the microcontroller is programmed (with a
Ssimple ‘BASIC’ program of graphical flowchart) via a 3-wire connection to the
computer’s serial port. The operational PICAXE circuit uses just 3 components and can
tabe easily constructed on a prototyping breadboard, strip-board or PCB design.
aThe PICAXE-08 microcontroller provides 5 input/output pins.
.D• low-cost, simple to construct circuit
• 5 input/output pins (1 input with analogue capabilities)
w• rapid download via serial cable
• free, easy to use Programming Editor software
w• simple to learn BASIC language
• can also be programmed via flowcharts
w • free manuals and online support forum
The comprehensive starter pack includes the following items:
• PICAXE-08 prototype board
• download cable
• CDROM containing software and manuals
• PICAXE-08 microcontroller chip
revolution Revolution Education Ltd. Email: info@rev-ed.co.uk Web: www.rev-ed.co.uk Version 1.0 06/09/02
© copyright 01-02




Revolution

PICAXE08 Datasheet Preview

PICAXE08 Datasheet

Microcontroller Programming System

No Preview Available !

PICAXE-08 SYSTEM
2
Downloading your first program
This first simple program can be used to test your system. It requires the connection of
an LED (and 330R resistor) to output pin 4. If connecting the LED directly to a PICAXE
chip on a home-made board or proto board, connect the LED between the output pin
and 0V (G). (Make sure the LED is connected the correct way around!).
Pin 4
330R
0V
Note: The PICAXE microcontroller can be connected to a computer via the PICAXE-08
proto board OR via a simple self-made circuit board. Circuit connections are provided
later in this booklet and in th e ‘interfacing electronics’ booklet.
1. Connect the PICAXE cable to the computer serial port. Note which port it is connected to
(normally labelled COM1 or COM2).
2. Start the Programming Editor software.
3. Select View>Options to select the Mode Options screen (this may automatically appear).
4. Click on the ‘Mode’ tab and select PICAXE-08
5. Click on the ‘Serial Port’ tab and select the serial port that the PICAXE cable is connected
to.
6. Click ‘OK’
7. Type in the following program:
main: high 4
pause 1000
low 4
pause 1000
goto main
(NB note the colon (:) directly after the label ‘main’ and the spaces between the
commands and numbers)
8. Make sure the PICAXE circuit is connected to the serial cable, and that the batteries are
connected. Make sure the LED and 330R resistor are connected to output 4. If using the
proto board make sure the download header is in the ‘PROG’ position.
9. Select PICAXE menu>Run
A download bar should appear as the program downloads. When the download is
complete the program should start running automatically – the LED on output 4 should
flash on and off every second.
revolution Revolution Education Ltd. Email: info@rev-ed.co.uk Web: www.rev-ed.co.uk Version 1.0 06/09/02
© copyright 01-02


Part Number PICAXE08
Description Microcontroller Programming System
Maker Revolution
Total Page 26 Pages
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