Data Sheet
Contents
1. When removing the card please make sure that you release it from the connector by pushing and NOT by pulling the card directly this can damage both the connector and the microSD card Page 27 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 6 3 UEXT connector OLIMEX offers board extensions which can be connected via UEXT interface OLinuXino MICRO board lacks UEXT connector but it can be formed using the signals on the CON2 pad line You can check which signals you need in the and CON2 chapter For more information on UEXT please visit http www olimex com dev OTHER UEXT pdf Note the two jumpers PIN29 SOFT CL PIN22 LCD EN I2C SCL and PIN28 SOFT SDA3 PIN21 LCD_HSYNC I2C_SDA which by default are set to a software I2C They can be used to set the whole UEXT to a hardware I2C Note that the correct way of connecting modules to the UEXT is 1 Plug module to host board via UEXT 2 Power host board If you first power the board and then establish the UEXT it is possible host board restarting to occur due to the fact that some modules have large capacitors on the power line Page 28 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual UEXT connector 30 35 98 105 112 118 1 TXD Lamas CE Ce 6 4 CONI and CON2 pads The GPIO pins led out to and CON2 pads situated on the both sides of the board They allow the user to attach ad2. PIN18 CON1 20 PIN31 CON2 24 Page 31 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual wara pecie wasa pecie Below 15 the schematic of GPIO CON NODE SELECT cn au SAL Flasn 1 Naster for 2704 detaagger connecdan 3 3 3 30 SD ffC 1 Default 2 4 3 2 4 BOUT MODE SELEUI 3 3U 120 Naser 4 1 2 pEgRuG punta GPIO You can see the signals needed to form UEXT connector 5 debug interface and audio interface marked with purple Thanks to David Whittaker some of the above information can be found in compact variant at a table he compiled https docs google com spreadsheet ccc key OAspkrcYcYSbWdEFB6WCIxRIpSbFRjclhwVnlOZDV meUE Page 32 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 6 5 USB HOST The USB hosts and the Ethernet are controller by the M X233 controller Important The USB of OLinuXino Micro can communicate directly only with High speed or Full speed USB devices The majority of keyboards and mice are low speed devices A good solution for plugging a keyboard or a mouste to the Micro is
3. e NA HNTX4 NA HNTXA m R20 M UEXT gt GPIO 1 NA WU08S Debug UART or SJTAG lam sa e 2 1 SSP1_CMD CMD Kim PWMO DUART R22 Sk 1 DATAO Es DD I DATAZ 4 Bares DA 1 GLATOnHIOR 1 1 L 1 POWER REC Button POWER Reset Circuit BC846B 33V xou RESET mox xi m 4 ks PSWITCH R7 1k SJTAG PSV EUN R6 VDDXTAL T1107A 6x3 8x2 5mm oR RECOVERY Papa 1k RS T1 107A 6x3 8x2 5mm T1107A 6x3 8x2 5mm XIALO Ti i BCB46B E 1 1 USB HOST POWER SUPPLY CIRCUIT 5VEXT SVEXT 33v REG uos 42 3628 3 US Dii 1247 Bp USB_DP USB DP EN ul DITIUSB EN T3 a M E NA DTA1 Iset Ok Ok D gg AEN 22uFJ6 3V ILOWESR OSCI RM2 R25 1 NADTCHAYKA 1 Tes iMX233 OLinuXino Micro_revision_B1 https www olimex com OLIMEX LTD Page 41 of 47 OLIMEXO 2012
4. 9 1 Document FevISIQIL cseciss exexsse A us sea aae cona Cn eaa os neue tus Pan se vers su ssa aeo 43 9 2 Board Z uu y unuyuq 45 Page 4 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 1 OVERVIEW 1 Introduction to the chapter Thank you for choosing the OLinuXino single board computer from Olimex This document provides a user s guide for the Olimex OLinuXino MICRO board As an overview this chapter gives the scope of this document and lists the board s features The differences between the members of the OLinuXino family are mentioned The document s organization is then detailed The OLinuXino development board enables code development of applications running on the microcontroller 11M X233 manufactured by FreeScale Semiconductor OLinuXino is an open source open hardware project and all documentation is available to the customer 1 1 Features 1 233 ARM926J processor at 454Mhz 64 MB SD card connector for booting the Linux image TV PAL NTSC video output 1058 High Speed Host three Buttons 2x30 pin GPIO for connection of other hardware PCB dimensions 3 00 x 1 70 76 2mm x 43 2mm Nominal dimensions 3 40 x 1 70 86 4mm x 43 2mm Page 5 of 47 OLIMEXO 2012 1 2 The OLinuXino family OLinuXino MICRO user s manual Table of
5. OLinuXino MICRO Open source single board Linux computer USER S MANUAL Revision K March 2013 Designed by OLIMEX Ltd 2012 lead free boards produced by Olimex LTD are ROHS compliant OLIMEXO 2012 OLinuXino MICRO user s manual DISCLAIMER O 2012 Olimex Ltd Olimex amp logo and combinations thereof are registered trademarks of Olimex Ltd Other product names may be trademarks of others and the rights belong to their respective owners The information in this document is provided in connection with Olimex products No license express or implied or otherwise to any intellectual property right is granted by this document or in connection with the sale of Olimex products The Hardware project is released under the Creative Commons Attribution Share Alike 3 0 United States License You may reproduce it for both your own personal use and for commercial use You will have to provide a link to the original creator of the project http www olimex com on any documentation or website You may also modify the files but you must then release them as well under the same terms Credit can be attributed through a link to the creator website http www olimex com The software is released under GPL It is possible that the pictures in this manual differ from the latest revision of the board The product described in this document is subject to continuous development and improvements All particulars of the product and its use contained in
6. Note that the jumpers are SMD type and opening a jumper would require cutting closing a jumper would require soldering To be able to do the quoted operations you will need basic engineering skills and experience You can check below the table or the schematic for the correct positions Value of 1 means the jumper 15 closed Page 34 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual Start up waits for JTAG 1 1 debugger connection 6 10 Jumper description Please note that all the jumpers on the board are SMD type If you feel insecure of your soldering cutting technique it is better not to try to adjust the jumpers 6 10 1 SCL SW SCL HW and SDA SW SDA HW Those two jumpers must be moved together there are two available options configuring software I2C interface both SCL SW SDA SW closed or hardware I2C interface both SCL HW SDA HW closed The default position is SCL HW SDA HW closed soldered 6 10 2 5 _ The 5V E jumper allows control over the powering line If you want to disable the 5V powering line open 5V E jumper The default position is closed 6 10 3 3 3V E jumper 3 3V E jumper is open by default If closed soldered provides 3 3V at the pin 30 of CONI The default position is open 6 10 4 Boot mode selecting jumpers The boot mode is discussed in chapter 6 11 of this manual 6 11 Additional hardware components The components below are mounted on OLinuXino but are not discussed abo
7. Please consider first the electrostatic warning to avoid damaging the board then discover the hardware and software required to operate the board The procedure to power up the board is given and a description of the default board behavior is detailed 2 1 Electrostatic warning OLinuXino is shipped in a protective anti static package The board must not be exposed to high electrostatic potentials A grounding strap or similar protective device should be worn when handling the board Avoid touching the component pins or any other metallic element 2 3 Requirements In order to set up the OLinuXino MICRO optimally the following items are required 5 source of power with 1A maximum amperage SJTAG interface programmer USB hub USB splitter USB keyboard Monitor with composite interface or Personal Computer USB SERIAL CABLE SD card with Linux image Note that the board arrives without SD card or Linux image You can purchase a card with Linux separately It is recommended that the user has basic Linux experience Some of the suggested items can be purchased by Olimex for instance iMX233 OLinuXino SD SD card with the Linux image USB SERIAL CABLE F USB serial console cable female check 6 1 1 UART Debug for info how to connect it to the board SY0605E power supply adapter 5V 1A for MX233 OLinuXino MICRO Page 8 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 2 4 Powering the board The board is
8. have to put a SD card with Linux image in the SD card holder Page 21 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual Only 5U power supply l ltn i I i 1 et zi Page 22 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 6 CONNECTORS AND PINOUT 6 Introduction to the chapter In this chapter are presented the connectors that can be found on the board all together with their pinout and notes about them Jumpers functions are described Notes and info on specific peripherals are presented Notes regarding the interfaces are given 6 1 Debugging interfaces If you don t have a separate monitor or display around and you don t wish to swap cables constantly with your personal computer using the debug interfaces provide better option for you OLinuXino experience Debug or SJTAG There are three debugging options available on the OLinuXino It is preferable to use one of the first two UART or SJTAG but in case you want to use the classic 6 wire parallel JTAG there is an option explained below Page 23 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 6 1 1 UART debug The first one is a debug UART interface U DEBUG You can use our USB SERIAL CABLE for debugging via the
9. 33V 0 1 0 m ne B PINSILCD 007 C Starup warstar STAG debonger connedton ME ES BE SEE Do 1 3 SD MMC 1 Default M 1 0 0 1 a 1 PINS ILCD 33VSDMMC2 EE TER SE SE BS PIN4 LCD E PINSILCD USB DP 124 sees USB DM 12 PINT LCD 000 m m 5VEXT SVEXT 33V REG HPR d a D HP VOND 1 naam LINT INL 19 iN PIN22 LCD ra 14 PIN21 LCD _ 2 SDA 2 PINZO LCD_VSYNC 000 IE B i ud ac PINTSILCD DOTCLK 1 PINZ ILCD DOT 3 1 PINS LCD_DOZ DO PINSYLRADCO 10d ancy AUART PINSLCD DOS E AUART RYD PINSLRAD Loc AUARTLT EINSILCD DOF E SCL PWMO DUART RXD PINGILC C SDA UEXT PANDIROTARYAIDUART RX D PINGILCD_DUSSSPZ MISO voact ROTARY BIDUART TX E gt S PSwITCI PANDIGAM ROY PING MSO n DEBUG pas SPT on PINTIILCD DIO MODUART RYD 1 1 PINTZILCD DIT MIDUART TXD DEBUG 1 1 PINTILCD DIZ SJTAG PS 1 1 Pr DATAZIUC SDA 1 PINTAILCD 013 PL 1 DATASSAI 1 PINTSILCD 014 ER I 5501 PINTGILCD D15 ip VGND AUDIO 1 1 MCIMX233CAGAC PINT LCD 016 D LINT INL 18 I PINTSILCD DI7 USB EN LINT INR 1 1 1 D 1 1 1 1 1 NA HN 230 NA HNI1X30 VEO Composite Video
10. D opos 5 vow wet voor Ri cg hos oy PATE PINDSILCD RS sx I ui iners acoc vom 8 exe M Eu PINTILCD DOTOK PIN2UILCD VSYNC PINZYILCD HSYN PIN22 LCD ENIC PIN23TLCD DISP PIN2AILCD WR PIN2SILCD RS PINZG LCD CS D VIDEO BAT54S R26 C228 32d voa 1 1 PINIBLCD 0171058 EN GM D16 ENIGLCD DIS 1 MODE SELECT LCD 33v DATA PINTSILCD_Dit I BOOT MODE 503 502 RM3 1 121 DATAB PINTA LCD 013 1 use 0 0 D03 H PINAILCD 003 DI Dor 1 33V SPI Flash 1 Master 0 0 1 0 7 ra ERE gp 4 PNTCD DT INTECD DOO l 33V SPI Flash 2 Master ERI FE SR E 382 E m 2 PINS LCD DOB SSPZ MISO 1
11. OLinuXino MICRO user s manual 8 2 Physical dimensions Note that all dimensions are in mills Additionally the three highest elements on the board in order from the tallest to the shortest are dimensions without the PCB thickness 1700mil 1 Composite video connector 490 mil 1136 11 i lt CN lt 2 C50 C51 480 mil O22 2 3 C48 47011 250mil 230mil 1850mil 3000mil Page 42 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 9 REVISION HISTORY AND SUPPORT 9 Introduction to the chapter In this chapter you will find the current and the previous version of the document you are reading Also the web page for your device 15 listed Be sure to check it after a purchase for the latest available updates and examples 9 1 Document revision Ao Initial Creation 05 07 12 B Added notes on USB compatibilit 17 07 12 P y Added info about fuse programmin 18 07 12 8 D 4 Added links to all indexes 20 07 12 40 Added info about USB SERIAL CABLE 48 Fixed typo about the power supplies E 9 wrong powering information fixed 24 07 12 22 23 wrong power supply information fixed 37 REC Reset fixed 3 4 Edited the index F 10 Added info about ArchLinux 12 09 12 33 Added link to a cheat sheet 42 Updated the schematic Continues on next page Page 43 of 47 Modified
12. UART In order to avoid SD card malfunction when using the USB SERIAL CABLE F with OLinuXino MICROit is advisable to first insert iMX233 OLinuXino SD card and then power the board if using battery also press the PWR button Wait 4 5 seconds and then connect the USB SERIAL CABLE F Please also check 2 4 Powering the board for detailed info Note on how to use the U DEBUG with USB SERIAL CABLE F which has RED GREEN BLUE wires GND BLUE RX INPUT GREEN TX OUTPUT RED You have to connect to OLinuXino MICROU DEBUG connector in this sequence BLUE wire to pin 3 GND GREEN wire to pin 2 TX RED wire to pin 1 RX PWM1 DUART TXD You can also check the pin names at the bottom of the board under the U DEBUG header 6 1 2 SJTAG debug The second interface 15 the Serial JTAG SJTAG one wire interface It works with various external JTAG debugger dongles through a Freescale defined FPGA CPLD SJTAG supports the Green Hills Slingshot and ETM probe debugger dongles as well as those made by ARM Abatron and Lauterbach Note that the SJTAG interface comes without plastic header mounted The HW DIGCTL CTRL USE SERIAL JTAG bit in the digital control block selects whether the one wire serial JTAG interface or the alternative six wire parallel JTAG interface is used There are other options in the digital control block which might interest you and our advice is to check the Page 24 of 47 OLIMEXO 2012 OLinuXino MICRO user s manua
13. apply over voltage by mistake or shorted something in your target board where the programmer was connected etc Sometimes boards might get damaged by ESD shock voltage or if you spill coffee on them during your work when they are powered Please note that warrany do not cover problems caused by unproper use shorts over voltages ESD shock etc If the board has warranty label it should be not broken Broken labels void the warranty same applies for boards modified by the customer for instance soldering additional components or removing components such boards will be not be a subject of our warranty If you are positive that the problem is due to manufacturing defect or component you can return the board back to us for inspection When we receive the board we will check and if the problem is caused due to our fault and we will repair replace the faulty hardware free of charge otherwise we can quote price of the repair Note that all shippings back and forth have to be covered by the customer Before you ship anything back you need to ask for RMA When you ship back please attach to it your shipping address phone e mail RMA and brief description of the problem All boards should be sent back in antistatic package and well packed to prevent damages during the transport Page 47 of 47
14. comparison OLinuXino MICRO OLinuXino MINI OLinuXino MAXI Processor 1 233 0 454Mhz 1 233 454Mhz iMX233 454Mhz Ram MB 64 64 64 USB hosts 1 3 2 100 150 Mbit No WIFI option No WIFI option Yes WIFI option Ethernet GPIO connector 60pins 40pins 40pins Buttons 3 2 2 Reset button Yes Yes Yes DC power supply 5V 6V 16V 6V 16V Dimensions 3 40 x 1 70 3 70 x 2 65 3 70 x 2 65 Breadboarding Yes No No Audio IN connector No Yes Yes Audio OUT connector Yes Yes UEXT connector No Yes Yes Built in USB hub No Yes Yes 100Mbit Ethernet for the wired network of OLinuXino MAXI 150Mbit for the WIFI following 811 02n standard three boards have the option to work with MOD WIFI RTL8188 which is USB WIFI modem with RTL8188CU chip and can be purchased separately MOD WIFI RTL8188 can be connected to any of the OLinuXino boards via the USB OLinuXino MINI has additional option of having RTL8188CU hardware mounted If you wish RTL8188CU embedded in the device you should purchase OLinuXino MINI WIFI Choosing the embedded WIFI option will leave your USB HOSTs available for use 1 2 Target market and purpose of the board The boards from the OLinuXino family are ready to use easy to setup and are suitable for embedded programming enthusiasts Linux hobbyists gadget fans and also professionals since its low cost makes it very good
15. connector is moved towards the middle of the board EN B2 Capacitors C23 and C24 changed from 33pF to 15pf due to occasional initial power hang ups n Important note about owners of revision B of the board if you are one of the first owners of iMX233 OLinuXino Micro and you experience random hang ups Kernel oops Kernel panic it is recommended to unsolder remove R17 check the schematic or the board file to locate it easier Removing R17 fixes the random lock up This problem has been fixed in revision B1 of the board Page 45 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 9 3 Useful web links and purchase codes The web page you can visit for more info on your device is http www olimex com dev imx233 olinuxino maxi html and https www olimex com wiki IM X233 The forum for general questions and FAQ https www olimex com forum You can get the latest updates on the software at https github com OLIMEX OLINUXINO please check the readme at the bottom The OLinuXino Linux images sources https github com Freescale fsl community bsp platform ORDER CODES iMX233 OLinuXino MICRO tiny in size tiny in price and perfect for breadbording iMX233 OLinuXino MINI the mini version of the single board computer iMX233 OLinuXino MAXI the best version of OLinuXino featuring Ethernet controllert iMX233 OLinuXino MINI WIFI the MINI version of OLinuXino embedded RTL8128CU WIFI module iMX233 OLinuXino SD SD ca
16. powered either via the PWR jack or via a battery It should be supplied by 5V source with maximum current of 1A from the power jack All measures below are taken at 5V If measuring the current consumption it should be around 0 06A before initializing all the peripherals IMPORTANT We discovered a situation which might leave some of the SD cards 233 OLinuXino SD in unrecoverable state when powering OLinuXino MICRO The problem might occur if two specific conditions are met simultaneously 1 Plugged iMX233 OLinuXino SD micro SD card with holographic sticker on its back side some of the cards we have distributed are from a brand that places holographic sticker on their backs the other half lack such a sticker 2 Plugged USB SERIAL CABLE F at the moment when powering the board If you happen to have received SD card with holographic sticker on its back side and you use it with OLinuXino MICRO and you plug USB SERIAL CABLE and then you power the board there is a chance of malfunction of the SD card There are two possible workarounds to protect the SD card The first one is simpler and the second one requires some soldering experience Workaround 1 First insert the iMX233 OLinuXino SD card and then power the board and if powering the board from a battery also press the PWR button Wait 4 5 seconds and then connect the USB SERIAL CABLE F After the initial power up it is safe to use the reset button Workaround 2 You will need
17. strongly recommended to refer to the original datasheet released by Freescale for one of higher quality 7 1 Memory addresses Below 15 the table with some of the most frequently used addresses For full list of addresses check the manual released by Freescale Chapter Memory Map Decode Device Mnemonic Start address End address Size block AHB On chip RAM OCRAM 0x00000000 0x00007FFF 32KB On chip RAM alias 0x00008000 Ox3FFFFFFF External memory 0x40000000 Ox5FFFFFFF 512MB Default Slave 0x60000000 Ox7FFFFFFF 512M Page 37 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 7 2 Processor block diagram APBH 45 5 DMA Control OC ROM Controller S M Bridge DMA M x S AHB to APBX 5 Bridge DMA S S 4 Port 2 Controller S SPDIF TX c lt PN ea 4 2 BCH ECC mDDR DDR peice me M pies UART2 USB Host Multichanne ADC Touchscreen s Timer PWM RTC ALARM Watchdog Persistent Regs USB PHY 38 47 OLIMEXO 2012 OLinuXino MICRO user s manual 7 3 Physical memory map On Chip ROM ROM aliased through 0xC0000000 1 Gbyte 0x80100000 Default Slave Ox800FFFFF Peripheral Space 128 Kbytes 0x80000000 Ox7FFFFFFF Default Slave 0x60000000 Ox5FFFFFFF External DRAM 32767 Aliases of 32 Kbytes On Chip SRAM 0
18. this document are given by OLIMEX in good faith However all warranties implied or expressed including but not limited to implied warranties of merchantability or fitness for purpose are excluded This document is intended only to assist the reader in the use of the product OLIMEX Ltd shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such information or any incorrect use of the product This evaluation board kit is intended for use for engineering development demonstration or evaluation purposes only and is not considered by OLIMEX to be a finished end product fit for general consumer use Persons handling the product must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards Olimex currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Olimex assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein THERE IS NO WARRANTY FOR THE DESIGN MATERIALS AND THE COMPONENTS USED TO CREATE OLINUX
19. to use a USB hub between your device and OLinuXino Micro using such a hub has the additional benefit of providing additional USB slot which can be used for example to mount flash memories etc The signals follow the familiar and standard USB host pattern USB 2 level host PIN SIGNAL NAME aje 6 6 PWR Jack The power jack used is the typical 2 5mm one used by Olimex in most of our products You should provide 5 volts at maximum to the board More info about the power supply can found in chapter 5 of this manual Page 33 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 6 7 Headphones and line in connector The audio connectors are not mounted on OLinuXino MICRO but the signals needed can be found on CON2 connector Check the CON1 and CONG section for further info 6 8 Composite video connector The composite video is the connector you should use if you wish OLinuXino MICRO video output on a monitor The signal is controlled by pin 104 from the 1 M X233 processor The signal is lead to the middle of the connector The outside part is the GND 6 9 Boot mode positions The iM X233 can boot the operating system from different locations The default location for the Linux files we used is the microSD card There are 4 four jumpers responsible for the boot location D03 D02 201 and DOO They are located on the top of the board between the processor and 40 connector
20. 4 40 48 9 22 23 37 3 4 10 33 42 OLIMEXO 2012 OLinuXino MICRO user s manual Continued from previous page Changes Modified 29 Fixed error about GPIO connectors 46 Added info about a random hang up problem caused by R17 29 46 47 47 Link updates 14 Added short redirection info about Linux setup 28 UEXT connection important info added 14 28 32 32 Fixed error in pinout table PIN 29 from CON1 is GND 10 Wrong picture and description of the fuse 10 0 burning algorithm 6 fixed the voltages for MINI and MAXI in the comparison table 34 removed left over battery connector explanation 6 34 35 36 45 35 jumpers positions adjusted based on design 36 memories names updated Various updated a couple of links Page 44 of 47 G 1 1 H 4 1 I 29 1 J 4 0 K 21 0 2 0 12 2 0 12 18 19 20 Fixed wrong info about the 18 19 20 0 12 LQFP128 package of iMX233 2 Al 2 3 12 OLIMEXO 2012 OLinuXino MICRO user s manual 9 2 Board revision Notable Changes Initial release of the board Removed termination R17 120R after first batch of boards which was causing memory lock ups 1 Changed pull up resistor of the RX line to 4 7k and BAT54C is added on the same line 2 SW SCL HW SCL i 54 SDA HW SDA jumpers got changed to default hardware 3 SD is changed from TFR MEM COM to 00 08 and the
21. D 6 Not blown HW OCOTP ROMS HW OCOTP ROMG Reserved 7 Not blown HW OCOTP ROM7 SSP SCK INDEX 11 8 HW VERSION SD BUS WIDTH 13 12 Current value 0 00200008 New value 0 00200008 ek nite 2 7 Building the Debian Linux image Note that building the Linux image from scratch is a time consuming task Even with powerful machine and fast internet connection it might take few hours compiling Some Linux distributions might lack the tools required to compile build execute scripts download from repository how to get those is not discussed below The Linux image is created and downloaded from https github com Freescale fsl community bsp platform For the test here we used Debian 6 0 with GNOME visual libraries The steps we did 1 From the terminal created folder bin in home folder user dist mkdir bin user dist cd bin Add bin directory to PATH in order to do the next steps easier Else navigate to the right folders 2 Installed repo utility needed for the bitbake file fetching from the repository user dist curl https dl ssl google com dl googlesource git repo repo gt bin repo user dist chmod bin repo 3 Created directory for the project and download the BSP source from the git repository Page 11 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual user dist mkdir fsl community bsp user dist cd fsl community bsp fsl community bsp repo init u h
22. FUSES MIGHT CAUSE BOOT PROBLEMS BURN FUSES AT OWN RISK The bit burning is done via the USB of the computer connected to the OLINUXINO board and the BitBurner software To be able to burn the fuses you will need to connect a USB A to USB A cable between a computer and the board s USB HOST connector Download BitBurner from https www olimex com dev OLINU XINO 1M X233 OLINUXINO BitBurner v1 0 4 6 zip Extract it and start the exe If you connect everything you should see and choose HID compilant device from the Select device drop down menu Page 10 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual ST BitBurner M Select device HID compliant device gt Ready Info Name OtpAccessPitc 3780 sb Select OTP register Internal name OTP Register Size 10896 bytes HW OCO CUSTO Date modified N A HW_OCOTP_CUST1 Info Type FileType 3600 Stmp HW CUST2 Register Resource File Resource piis Tag Id 0 0001 HW CUST3 Address Ox8002C 1A0 4 Lock Bit Ox18 Product version 100 10902 1300 HW CRYPTOO OTP Bark 0x03 Component version 15624 300 600 0 0000 HW OCOTP CRYPTO1 OTP Word 0x00 Language HW CRYPTO2 Locked false HW CRYPTO3 Shadowed false HW OCOTP CUSTCAP download HW LOCK 50 MBR 3 Blown HW_OCOTP_ROM1 ENABLE_UNENCRYPTED_BOOT 4 Not blown HW_OCOTP_ROM2 HW_OCOTP_ROM3 s HW_OCOTP_ROM4 DISABLE 5 NOR FAST REA
23. ID for digital rights management algorithms Secure boot using 128 bit AES hardware decryption SHA 1 hashing hardware Customer programmed OTP 128 bit AES key is never visible to software B External Memory Interface EMI Provides memory mapped load store access to external memories Supports the following types DRAM 1 8 Mobile DDR Standard 2 5V DDRI m Wide Assortment of External Media Interfaces High speed MMC secure digital SD Hardware Reed Solomon Error Correction Code ECC engine offers industry leading protection and performance for NANDs Hardware BCH ECC engine allowing for up to 20 bit correction and programmable redundant area m Dual Peripheral Bus Bridges with 18 Channels Multiple peripheral clock domains save power while optimizing performance Direct Memory Access DMA with sophisticated linked DMA command architecture saves power and off loads the CPU m Highly Flexible Display Controller 8 bit data ITU R BT 656 digital video stream output mode PAL NTSC with onthe fly RGB to YCbCr color space conversion Flexible input formats W Pixel Processing Pipeline PXP Provides full path from color space conversion scaling alpha blending to rotation without intermediate memory access Bi linear scaling algorithm with cropping and letterboxing Alpha blend BITBLT color keying Memory efficient block based rotation engine W Integrated TV Out Suppo
24. INO THEY ARE CONSIDERED SUITABLE ONLY FOR OLINUXINO Page 2 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual Table of Contents DISCLAIMER 2 CHAPTER 1 LL CRM 5 1 Introduction to the Chapter erbe ea en rh rece e ha ree e d ec en E bn ee e Da een ems 5 2 6 10 2 7 Building the Debian Linux imaee sssssssssassssssssssssssssssssssssssssssssss 11 CHAPTER 5 CONTROL CIRCU TVYV UI I aaa asawa sasawa vL uaa nau apa aaa 21 5 Introduction to the chapter es 21 CHAPTER 6 CONNECTORS AND 6 6 23 6 Introduction to the Cha pVeE aiii cie ees eus u cus ea ien ex cu 23 1 e aes 24 6 1 3 Classic JTAG deb 25 551 CDU 555555555445555 5552 52550422455 244545 44 555 5454555 5452 55 554 425 0455555 454555 2455565 566 3 47 OLIMEXO 2012 OLinuXino MICRO user s manual 0 5 USB T u u uuu kunaq assskussasuaassikassqapaisapshssyasasstausaassihyasasatsskaqasssssssass yssa 33 02 a a 33
25. Programmable On Chip ROM 1 Kbit of On Chip One Time Programmable OCOTP ROM Universal Serial Bus USB High Speed Up to 480 Mb s Full Speed Up to 12 Mb s Full speed high speed USB device and host functions Fully integrated full speed high speed Physical Layer Protocol PHY Mass storage host capable uncertified by USB IF Power Management Unit Single inductor DC DC switched converter with multi channel output supporting Li Ion batteries Features multi channel outputs for VDDIO 3 3 V VDDD 1 2 V VDDA 1 8 V VDDM 2 5V and regulated 4 2V source Direct power from 5 V source USB wall power or other source with programmable current limits for load and battery charge circuits Silicon speed and temperature sensors enable adaptive power management over temperature and silicon process Audio Codec Stereo headphone DAC with 99 dB SNR Stereo ADC with 85 dB SNR Stereo headphone amplifier with short circuit protection and direct drive to eliminate bulky capacitors Amplifiers are designed for click pop free operation Two stereo line inputs Microphone input SPDIF digital out 16 Channel Low Resolution ADC 6 independent channels and 10 dedicated channels Resistive touchscreen controller Temperature sensor controller Page 18 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual Absolute accuracy of 1 396 Security Features Read only unique
26. a Shottky diode The Shottky should be soldered on the USB SERIAL CABLE F TX line wire RED cable with anode towards the board When you power the board by battery you have to press the PWR BUT to start the board If you start Linux and it is already running no matter which powering method you use PWR JACK or BAT pressing the PWR BUT will put the Linux in power save mode For the European customers we sell a power supply adapter 5V 1A 5 0605 2 5 Prebuilt software Note that the boards arrive without Linux or SD card The Linux image can be purchased separately on a SD card or you can built and adjust it yourself When we program the boards we change the default position of the following HW OCOTP ROMO Page 9 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual fuses of the processor SD MBR Blown SD POWER GPIO 21 20 10 PWM3 For burning the fuse position we use the BitBurner software This operation is discussed in details before Proceed with great caution when burning fuses since it 1s irreversible operation The first batches of the board and the SD card used the Debian Linux image After that we switched over to ArchLinux for the ease of the package manager Instructions how to build the ArchLinux can be found at the gitHub address of OLinuXino 2 6 Using BitBurner IMPORTANT MODIFYING THE FUSES IS IRREVERSIBLE PROCESS BURNING THE WRONG FUSES MIGHT DAMAGE OLINUXINO IRREVERSIBLY BURNING WRONG
27. ditional hardware check readings or perform hardware debug The Prinz column shows connector number and does NOT represent the naming on the bottom of the board The table is divided into two big columns and explains the pin of both the connectors CONI and CON2 There are three color sections in the table below Each color represents signals needed to establish a specific connection and functionality like in the MAXI and the MINI versions of the board The GREEN section CON2 Pin 3 to Pin 11 marks the signals needed to make UEXT check the schematics of OLinuXino MAXI or OLinuXino MINI or the UEXT section above for further help The YELLOW section CON2 Pin 12 to Pin 15 marks the signals needed to build SJTAG BLUE section CON2 Pin 16 to Pin 21 shows the signals needed for audio in and audio out Page 29 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual e gt uuu gt menm _ KN e wasa wasa e wass p PiNS LCD 027 D07 BE A gt maoa sp ez C s oe maa face Dmmenes e Page 30 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual seem j z fee _______ recen ine wmm o mme p fee mj E The hardware is associated differently in the Linux f
28. ere are some but not all of the mandatory ones G diffstat texi2html chrpath gawk texinfo some git client To ensure you have the latest version supported with all the updates visit https github com OLIMEX OLINUXINO and https github com Freescale fsl community bsp platform Page 12 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 2 8 How to blink the LED In this sub chapter you will find a way to achieve the most basic task in electronics the Hello World of electronics blinking the LED First we set the pin responsible for the LED as an output and we can set its value manually to high or low position make it blink manually The LED mounted on the board uses GPIO65 You can use external diode instead of the one mounted you have to look at the table The Linux implementation of pins in the hardware section to get the correct linux name for the GPIO pin echo out gt sys class gpio gpio65 direction echo 1 5 sys class gpio gpio65 value If you want to set the blink off you should change the value on the second line to echo 0 sys class gpio gpio65 value To show the info for all GPIOs ls sys class gpio To make it turn on turn off automatically e g blink we use the text redactor VI to write the Linux script echo out gt sys class gpio gpio65 direction while true do echo 1 sys class gpio gpio65 value sleep 1 echo 0 sys class gpio gpio65 value sleep 1 done We sa
29. l 1MX233 s datasheet released by Freescale SJTAG The pin names are also written at the bottom of the board for your convenience 6 1 3 Classic JTAG debug The third option is to use the classic 6 pin parallel JTAG not including GND and VCC There are pads left for this option at the bottom of the board under the SD card holder They are named individually and framed near a JTAG name The important thing is that these pins are multiplexed with the SD card signals In order to use the 6 pin JTAG you will have to stop using the SD card Note also that the classic JTAG interface comes without plastic header mounted so in order to use it you will need to use wires for connection Consider the the software settings required to switch from SJTAG to 6 pin JTAG and vice verse referring to the 233 manual For instance The HW DIGCTL CTRL USE SERIAL JTAG bit in the digital control block selects whether the serial JTAG interface or the alternative six wire parallel JTAG interface is used HW DIGCTL CTRL USE SERIAL JTAG 0 0 Selects whether the one wire serial JTAG interface or the alternative six wire parallel JTAG interface is used 0 Parallel six wire JTAG 15 enabled and is mapped to a collection of module pins that must be enabled by programming their MUXSEL bits in the pin control block 1 Serial JTAG is enabled and uses the dedicated DEBUG pin The ROM bootcode writes this field prior to enabling JTAG selecting which
30. o e v_B M 5 SD card connector Composite id SMD jumpers PWR jack U_DEBUG CON1 Power button REC button Page 16 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 3 2 Layout bottom view 259 25 27 25 CON24 JTAG SD card Composite video r JTAG R6 RM3 RM2 TAS 091 ie A 22 mist USB HOST CON c E 1 m 9 JET LJ OLIMEX COM DEU open CON1 Bulgaria 2012 26 25 24 23 22 21 28 18 48 17 16 15 14 43 12 11 mmm mama Vni n Ei i APUD AND m k AED AED AED uuum ww w w vw w PWR jack Page 17 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 4 THE iMX233 MICROCONTROLLER 4 Introduction to the chapter In this chapter is located the information about the heart of OLinuXino its microcontroller The information is a modified version of the datasheet provided by its manufacturers 4 1 The microcontroller 926 CPU Running at 454 MHz Integrated ARM926EJ S CP 16 Kbyte data cache and 16 Kbyte instruction cache One wire JTAG interface Resistor less boot mode selection using integrated OTP values 32Kbytes of Integrated Low Power On Chip RAM 64 Kbytes of Integrated Mask
31. ollowing the GPIO naming conventions suggested in the 1M X233 datasheet You can check the connection between Linux naming of the pin Olimex naming of the pin and the consecutive connector pin number in the table below The ones filled with Not implemented doesn t have Linux support by the time of writing and will be updated overtime Linux GPIO is the one you should use in Linux the one in the datasheet OLinuXino name is the pin as written on the bottom of the board OLinuXino GPIO Connector is the consecutive number of pins with BAT being 1 and GND 40 Note that if OLinuXino Name starts with P and then is followed by a number X the PX is the name written on the bottom of the board under the connector with white ink If OLinuXino is other text it is signal used for the hardware of the board but still can be controller by the Linux it can t be found at the GPIO connector though The Linux implementation of pins Linux 7 Linux 5 2 GPIO iMX OLinuXino Name OLinuXino CON OLinuXino OLinuXino CON GPIO iMX 233 GPIO pad 233 GPIO pagis PIN9 CON1 11 32758533 Eme E PS 27 11 CON1 13 PIN24 CON1 26 ee PIN12 CON1 14 EE PIN26 CON1 28 PIN13 CON1 15 PIN22 CON1 24 Ex 14 CON1 16 56 PIN21 CON1 23 JTAG_TDO1 Not ES 15 CON1 17 SSP1 CMD implemented PIN16 CON1 18 LED1 EL mM
32. rd with the Linux image which can be used with every board from the OLinuXino family MOD WIFI RTLS188 external USB WIFI modem with RTL8188 chip USB SERIAL CABLE USB serial console cable for U DEBUG SY0612E power supply adapter 12V 0 5A for iMX233 OLinuXino MICRO and iMX233 OLinuXino MINI Will not work with OLinuXino MICRO SY0605E power supply adapter 5V 1A for MX233 OLinuXino MICRO Will not work with 1MX233 OLinuXino MAXI and 1M X233 OLinuXino MINI How to order You can order directly from the web site or from any of our distributors Please visit https www olimex com for more info The full list of distributors can be found here https www olimex com Distributors Page 46 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 9 3 Product support For product support hardware information and error reports mail to support olimex com Note that we are primarily a hardware company and our software support is limited Please consider reading the paragraph below about the warranty of Olimex products Warranty and returns Our boards have lifetime warranty against manufacturing defects and components During development work it is not unlikely that you can burn your programmer or development board This is normal we also do development work and we have damaged A LOT of programmers and boards during our daily job so we know how it works If our board programmer has worked fine then stopped please check if you didn t
33. rt Integrated PAL NTSC TV encoder fully pipelined to display controller s D1 resolution output stream Integrated low power 10 bit Video DAC VDAC for composite analog video output W Data Co Processor DCP AES 128 bit encryption decryption SHA 1 hashing High speed memory copy B Three Universal Asynchronous Receiver Transmitters UARTs Two high speed application UARTs operating up to 3 25 Mb s with hardware flow control and dual DMA Debug UART operates at up to 115Kb s using programmed I O m 2 Master Slave DMA control of an entire EEPROM or other device read write transaction without CPU Page 19 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual intervention m Dual Synchronous Serial Ports for SPI MMC SDIO Triflash bit 4 bit and 8 bit MMC SD SDIO modes Compliant with SDIO Rev 2 0 SPI with single dual and quad modes Four Channel 16 Bit Timer with Rotary Decoder Five Channel Pulse Width Modulator PWM W Real Time Clock Alarm clock can turn the system on Uses the existing 24 MHz XTAL for low cost or optional low power crystal 32 768 kHz or 32 0 kHz customer selectable via OTP Customer Programmable One Time Programmable OTP ROM via Integrated eFuse Block Resistor less boot mode selection 128 bit boot mode crypto key Boot mode specification of NAND characteristics for device that the customer is soldering to the board This means no more costly delays
34. solution for application orientated embedded systems The main usage of the board is software embedded development without the urge of understanding perfectly the hardware The strong points of the boards are the processor speed the mobility of the board and the low price Page 6 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual Customers have full access to the technical documentation of the board The software is released under General Purpose License and the board is considered open hardware 1 3 Organization Each section in this document covers a separate topic organized as follow Chapter 1 is an overview of the board usage and features Chapter 2 provides a guide for quickly setting up the board and software notes Chapter 3 contains the general board diagram and layout Chapter 4 describes the component that is the heart of the board the iMX233 microcontroller Chapter 5 is an explanation of the control circuitry associated with the microcontroller to reset Also shows the clocks on the board Chapter 6 covers the connector pinout peripherals and jumper description Chapter 7 shows the memory map Chapter 8 provides the schematics Chapter 9 contains the revision history useful links and support information Page 7 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 2 SETTING UP THE OLINUXINO BOARD 2 Introduction to the chapter This section helps you set up the OLinuXino development board for the first time
35. ttps github com Freescale fsl community bsp platform b denzil fsl community bsp repo sync 4 You can change the settings for the build if you want at fsl community bsp build conf local conf I changed the machine name to imx233 olinuxino maxi For Linux kernel configurations and settings you can do of course you can use also the default settings fsl community bsp setup environment build fsl community bsp build bitbake linux imx c menuconfig Check the image below Edit View Terminal Help Linux Kernel Configuration Arrow keys navigate the menu Enter selects submenus gt Highlighted letters are hotkeys Pressing Y includes N excludes M modularizes features Press lt Esc gt lt Esc gt to exit lt gt for Help lt gt for Search Legend built in 1 excluded M module lt gt Enable loadable module support Enable the block layer gt System Type gt Bus support gt Kernel Features gt Boot options gt CPU Power Management gt Floating point emulation Userspace binary formats lt Exit gt lt Help gt 5 Now to start building the image fsl community bsp setup environment build fsl community bsp build bitbake core image minimal Note on different Linux distributions you might have different tools installed and you will probably need to install dependencies needed for the compile build scripts H
36. type of JTAG pin signaling to use OLD JTAG 0x0 Use six wire parallel JTAG mode SERIAL JTAG 0 1 Use one wire serial JTAG mode It is good idea to check the datasheet of the 1M X233 processor for all the options in the digital control block The processor s datasheet should be always the first piece of paper you consult when dealing with electronics Page 25 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual SSP1 SCK Notice that the pad numeration is written at the bottom of OLinuXino MICROunder the microSD card connector Please check the manual part for microSD card for a schematic of the pins Page 26 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 6 2 SD MMC slot The microSD card slot is a standard 8pin connector We have tested a number of microSD cards on the OLinuXino boards and all of them worked fine regardless manufacturer or capacity However keep in mind that some of the lower quality microSD cards might draw too much current from the slot which might cause power state problems If you suspect the microSD card is causing problems please try using another one of better quality for better results microSD card connector aem je sxe RN JR enm je Notice that the pad numeration is written at the bottom of OlinuXino MICRO under the microSD card connector
37. ve They are listed here for completeness Reset button used for hardware reset of the board Page 35 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual Power button when Linux is running pressing BUT will put the board in low power mode when powered by battery PWR is used to initially power up the board and pressing the board again after it is powered will put it low power mode Recovery button REC when the board is put to sleep REC can be used to wake up the board 512 32M x 16 MBit DDR SDRAM the exact memory used at the moment of writing is Xylinx HYSDUXxxxyyy LED1 6 12 Accessories Here you will find additional information for Olimex products you can use with OlinuXino MICRO 6 12 1 USB SERIAL CABLE F The cable for the U DEBUG interface that can be purchased for additional cost has three cables It is important to specify in your purchase order whether you want the USB SERIAL CABLE F variant with male of female connectors The wires follow the following color pattern GND BLUE RX INPUT GREEN TX OUTPUT RED You will need a drivers that can be downloaded from the page of USB SERIAL CABLE https www olimex com Products Components Cables USB Serial Cable USB Serial Cable F Page 36 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 7 BLOCK DIAGRAM AND MEMORY 7 Introduction to the chapter On the next page you can find a memory map for this family of processors It is
38. ve it as as gpio and we make it executable with chmod gpio then we execut the script with gpio The LED should start blinking with 0 5Hz 2 9 How to setup Arch Linux distribution You can refer to the manual of OLinuXino MAXI for general build instructions but mind we haven t tested the algorithm listed there on the MICRO There shouldn t be significant differences If you meet such head over to the OLIMEX forums Page 13 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 2 10 How setup the I2C SPI UART There are number of examples with our extension module board to achieve those connections on the UEXT The examples might be used as an example for I2C SPI or UART communication You can find them at our GitHub page https github com OLIMEX OLINUXINO tree master SOFTWARE IM X233 Page 14 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 3 OLINUXINO BOARD DESCRIPTION 3 Introduction to the chapter Here you get acquainted with the main parts of the board Note the names used on the board might differ from the names used below to describe them For the actual names check the OLinuXino board itself The top and the bottom view can be viewed on the next two pages of the manual There is explanation of the different peripherals in the following chapters of the manual Page 15 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual 3 1 Layout top view SJTAG e OLinuXino Micr
39. waiting for new device support in t he boot ROM Fully software programmable and accessible Flexible I O Pins All digital pins have drive strength controls Most non EMI digital pins have general purpose input output GPIO mode For comprehensive information on the microcontroller visit the Freescale s web page for a datasheet At the moment of writing the microcontroller datasheet can be found at the following link http www freescale com files dsp doc ref manual IMX23RM pdf Page 20 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 5 CONTROL CIRCUITY S Introduction to the chapter Here you can find information about reset circuit and quartz crystals locations the power supply circuit is discussed 5 1 Reset OLinuXino s reset circuit includes R9 47K R10 47 T2 and a RESET button The RESET is specific for the fact that it is accomplished when the quartz is disconnected using 3 3V and the transistors and T2 _ P E Reset Circuit m 5 2 Clock 24 MHz quartz crystal Q1 is connected to pins 121 and 122 of the 1M X233 processor 5 3 Power supply circuit The board is powered by 5V supply and all measures listed below are taken at 5V external supply If measuring the current consumption it should be around 0 06A before initializing all the peripherals If you have successfully booted and powered the board the green LEDI will start blinking you
40. x00008000 0x00007FFF On Chip SRAM 32 Kbytes 0x00000000 Page 39 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual CHAPTER 8 SCHEMATICS 8 Introduction to the chapter In this chapter are located the schematics describing logically and physically OLinuXino 8 1 Eagle schematic OLinuXino schematic is visible for reference here You can also find them on GitHub page for OLinuXino at our site https www olimex com Products OLinuXino iM X233 4M X233 OLinuXino MICRO The link to the GitHub is located in HARDWARE section The EAGLE schematic is situated on the next page for quicker reference Page 40 of 47 OLIMEXO 2012 OLinuXino MICRO user s manual DCDC 30 pire EM f FE gem E CASgNATCIODFT 1 WEN 9 GEM 1 As Hope ed DODCIM 1 512Mb DDR SDRAM 32 16 22uF16 3V w as I me C3gp22uF 6 3V 29 1 P PEST 53 oon 1 DOS 92 t vis a wi NAK cam voc s 4 16 3 108 von Eme n 5VEXI
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