PICAXE Manual Section 1 - TechnoPujades - Free

www.picaxe.co.ukSection 1 26GETTING STARTEDPICAXE-14M Pinout and CircuitThe pinout diagrams for the 14 pin devices are as follows:(0.3” DIL or 150mil SOIC)PICAXE-14M+VSerial InADC 4 / Input 4Infrain / Input 3Input 2Input 1ADC 0 / Input 012345671413121110980VOutput 0 / Serial Out / InfraoutOutput 1Output 2Output 3Output 4Output 5Please see appendix C for information on how the 14M i/o pins can be reconfiguredby advanced users.The minimum operating circuit for the 14 pin devices is:5V22k1serial in2in 4 31413serial out12out 0out 110kin 3in 245141110out 2out 3123in 1in 06798out 4out 50VSee the USB / Serial Download Circuit section of this manual for more detailsabout the download circuit.Notes:1) The 10k/22k resistors must be included for reliable operation.DO NOT leave the serial in pin floating as THE PROGRAM WILL NOT RUN!2) Output pin 0 (leg 7) is used during the program download, but can also beused as a general purpose output once the download is complete. On theproject boards a jumper link allows the microcontroller leg to either beconnected to the download socket (PROG position) or to the output (OUTposition). Remember to move the jumper into the correct position whentesting your program!If you are making your own pcb you can include a similar jumper link or smallswitch, or you may prefer to connect the microcontroller leg to both the outputdevice and the program socket at the same time. In this case you must rememberthat your output device will rapidly switch on and off as the download takesplace (not a problem with simple outputs like LEDs, but could cause problemswith other devices such as motors).revolution(c) Revolution Education Ltd. Email: info@rev-ed.co.uk Web: www.rev-ed.co.ukVersion 6.9 07/2009All rights reserved.26