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3.2.3 

PWMs and Timers

 

Up to 8 digital I/O pins can be configured with pulse-width modulators (PWM) to produce signals 

to control motors or create pseudo analog voltage levels, without taking up any extra CPU cycles. 

 

 

Summary of Contents for Beaglebone green

Page 1: ...1 Beaglebone green User Manual Version 1 0 Release date 2015 9 22 Wiki http www seeedstudio com wiki Beaglebone_green Bazaar http www seeedstudio com depot BeagleBone Green p 2504 html cPath 122_113 ...

Page 2: ...2 Document Revision History Revision Date Author Description 1 0 Sep 22 2015 Loovee Create file ...

Page 3: ...PI 9 4 Software 10 4 1 Software Support 10 4 2 Getting Started 10 4 3 Cloud9 IDE 10 4 4 Update image 11 4 4 1 Step1 Download the latest microSD card image 11 4 4 2 Step2 Install compression utility 12 4 4 3 Step3 Decompress the image 12 4 4 4 Step4 Install SD card programming utility 12 4 4 5 Step5 Connect SD card to your computer 12 4 4 6 Step6 Write the image to your SD card 12 4 4 7 Step7 Eject...

Page 4: ...4 ...

Page 5: ...ision of Seeed Technology Inc this manual has been compiled and published which covered the latest product description and specification The content of this manual is subject to change without notice Copyright The design of this product including software and its accessories is under tutelage of laws Any action to violate relevant right of our product will be penalized through law Please conscious...

Page 6: ...nd added two Grove connectors It has removed the HDMI port on the BBB and also updated the 5V barrel to Micro USB host It is a low cost community supported development platform for developers and hobbyists Boot Linux in under 10 seconds and get started on development in less than 5 minutes with just a single USB cable ...

Page 7: ...MB DDR3 RAM 4GB eMMC on board flash storage 3D graphics accelerator NEON floating point Software Compatibility Debian Android Ubuntu Cloud9 IDE on Node Support much more Connectivity USB client for power communications USB host Ethernet 2x Grove 2x 46 pin headers ...

Page 8: ...read the System Reference Manual 3 1 Design materials Design materials for creating your own customized version of the hardware or for better understanding the design are also linked from the traditional home of http beagleboard org hardware design BeagleBone Green hardware details POWER button can be used to enter and exit hibernate modes once that feature is implemented in the software ...

Page 9: ...aders provide extensive I O capabilities 3 2 1 Cape Expansion Headers Each digital I O pin has 8 different modes that can be selected including GPIO 3 2 2 65 Possible Digital I Os In GPIO mode each digital I O can produce interrupts ...

Page 10: ...3 PWMs and Timers Up to 8 digital I O pins can be configured with pulse width modulators PWM to produce signals to control motors or create pseudo analog voltage levels without taking up any extra CPU cycles ...

Page 11: ...log to digital converter with 8 channels 7 of which are made available on the headers 3 2 5 UART There is a dedicated header for getting to the UART0 pins and connecting a debug cable Five additional serial ports are brought to the expansion headers but one of them only has a single direction brought to the headers ...

Page 12: ... EEPROMS on cape add on boards and can t be used for other digital I O operations without interfering with that function but you can still use it to add other I2C devices at available addresses The second I2C bus is available for you to configure and use ...

Page 13: ...9 3 2 7 SPI For shifting out data fast you might consider using one of the SPI ports ...

Page 14: ...es without the bulk expense or noise Read the step by step getting started tutorial by click http beagleboard org getting started to begin developing with your BeagleBone in minutes 4 3 Cloud9 IDE To begin editing programs that live on your board you can use the Cloud9 IDE As a simple exercise to become familiar with Cloud9 IDE creating a simple application to blink one of the 4 user programmable ...

Page 15: ...files to run and select your new file Step6 Observe the BeagleBone P9_14 led blinking steadily about once a second Step7 Stop the code by clicking stop in the toolbar 4 4 Update image There are multiple ways to run initial software on your board but it is likley that the simplest way to get an update is to create an exact replica of a bootable microSD card and boot off of it The BeagleBone Green t...

Page 16: ...image Use 7 zip to decompress the SD card img file 4 4 4 Step4 Install SD card programming utility Download and install Image Writer for Windows by click http sourceforge net projects win32diskimager files latest download Be sure to download the binary distribution 4 4 5 Step5 Connect SD card to your computer Use the provided microSD card to SD adapter or a USB adapter to connect the SD card to yo...

Page 17: ...d apply power either by the USB cable or 5V adapter If using an original white BeagleBone you are done If using BeagleBone Green and the image is meant to program your on board eMMC you ll need to wait while the programming occurs When the flashing is complete all 4 USRx LEDs will be lit solid Note This can take up to 45 minutes Power down your board remove the SD card and apply power again to be ...

Page 18: ...14 5 Resources BEAGLEBONE_GREEN SRM pdf BEAGLEBONE_GREEN Schematic pdf BEAGLEBONE_GREEN Schematic OrCAD BEAGLEBONE_GREEN BOM xls ...

Page 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information BeagleBoard 102010027 ...

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