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1. a We r ie BrE er T i Figure 7 LED Locations 2 3 2 List of LEDs The table below lists the function of LEDs Label Function LED ON if 5V is fine LED2 ON if 3 3V is fine 27 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter Connectors and Headers This Chapter gives SMART BEE connectors and headers detail information Section include Connectors Headers 28 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter 3 Headers and Connectors This section gives SMART BEE connectors and headers detail information 3 1 Connectors Wired connections to the SMARC 1T335X Evaluation Carrier are described in this section 3 1 1 Connector Location CN2 CN14 CNG CN CNS CN Figure 8 1 Connector Locations Top 29 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Figure 8 2 Connector Locations Bottom SMART BEE User s Manual Document Revision v 2 1 30 Embedian Inc 3 1 2 List of Connectors The table below lists the function of various connectors Label Function CN1 314 pin MXM3 0 SMARC Module Connector CN2 Power Input 2 pin Terminal Block CN3 RTC Backup Battery CN4 LAN1 RJ45 Jack with Integrated Magnetic CN5 LAN2 RJ45 Jack with Integrated Magnetic CN6 USB Host Type A Connector CN7 USB OTG mini Type B Connector CN8 LCD LED B2. s Manual Document Revision v 2 1 Embedian Inc Audio Header HEADER DIP Edge Sitara AM335x CPU Type 10 2P 180D MALE 2 54mm Finger Header j Signal Function Pin Ball Mode Signal Name Name H HD OUT Left channel L of headset speaker out From TLV320AIC 3016 Audio Codec 10 Hp OUT HPLCOM LR Signal of AIC3106 The following diagram shows the AlC3106 block diagram from digital end to analog end AIC3106 Codec C SCL Control SCL SDA GC Format SDA LINE IN Digital ih McASP AXR 0 o MIC IN AZRISI pA LINE IN ACLKR LINE OUT HP OUT m HP OUT Figure 13 AIC3106 Block Diagram 59 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter I2CO Devices and Carrier EEPROM Format This Chapter points out the I2CO device information Section include 2C Devices on Carrier Carrier EEPROM Format 60 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter 4 12C0 Devices and Carrier EEPROM Format This chapter introduces I2CO devices on SMART BEE Also EEPROM format on carrier board will also be introduced 4 1 I12C0 Devices There are two I2C devices on the SMART BEE Carrier and are all on the I2C_PM I2C0 bus and are operated at 3 3V Those devices and their address details are listed in the following table Address Device Description Address 8 bit 7 bit Read Write I2C_PM Bus 1 TI Audio Codec x1B 0x37 0x36 General p
3. GPIO1 0 P118 C14 7 GPIO3 7 VO 13 GPIO5 PWM output P113 T7 7 GPIO2 3 VO 14 GPIO11 P119 B14 7 GPIO3 8 LC 55 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 2 3 4 SPI and DC Header CN18 Two sets of SPI bus and I2C bus are presented in CN18 The following table shows the pin out of the CN18 SPI and I2C header CN18 Location on Board H1 SPI I2C Header HEADER Edge Sitara AM335x CPU DIP 14 2P 180D MALE 2 0mm _ Finger Header Pin Signal Name Function Signal Name 1 Reserved 2 SPI1_ SPI1 Master P54 C12 3 SPI1_CS O Chip Select CSO output 3 SPIO_ SPI Master P31 C15 SPIO CS1 O Chip Select CS1 1 output 4 SPI1_ SPI1 Master P55 A15 4 SPI1 CS1 O Chip Select mg CS1 1 output 4 3 SPIO_ SPIO Master P44 A17 SPIO SCLK O Clock SCLK output 13 14 6 SPI1_ SPI1 Master P56 A13 3 SPI1_SCLK O Clock output SCLK 7 SPIO_ SPI Master P46 B16 SPIO D1 O Data output MOSI output from CPU input to SPI device 8 SPI1_ SPI1 Master P58 Di2 3 SPI1 D1 O Data output MOSI output from CPU input to SPI device 56 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc SPI 12C Header HEADER Sitara AM335x CPU Type DIP 14 2P 180D MALE 2 0mm Header Signal Name Function Ball Mode Signal Name 9 SPIO_ SPIO Master P45 B17 SPIO D Data input MISO input to CPU output from SPI device 70 SPI1_ SPI1 Master P57 B13 3 SPI1_D l Data input MISO input to CPU output T from SPI 1 2
4. e SD Specifications Part 1 Physical Layer Simplified Specification Version 3 01 May 18 2010 2010 SD Group and SD Card Association Secure Digital www sdcard org e SPI Bus Serial Peripheral Interface de facto serial interface standard defined by Motorola A good description may be found on Wikipedia http en wikipedia org wiki Serial_ Peripheral Interface_Bus e USB Specifications www usb org 1 7 2 SGET Documents e SMARC_Hardware_Specification_V1p0 version 1 0 December 20 2012 1 7 3 Embedian Documents The following documents are listed for reference The Module schematic is not usually available outside of Embedian without special permission The other schematics may be available under NDA or otherwise Contact your Embedian representative for more information The SMARC T335x Evaluation Carrier Board Schematic is particularly useful as an example of the implementation of various interfaces on a Carrier board 17 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc e SMARC_T335x Evaluation Carrier Board Schematic PDF and OrCAD format e SMARC_T335x Evaluation Carrier Board User s Manual e SMARC_T335x Carrier Board Hardware Design Guide e SMARC_T335x Carrier Board Hardware Layout Guide e SMARC_T335x User s Manual e SMARC_T335X Schematic Checklist 1 7 4 TI Documents e AM335x ARM Cortex A amp 8 Microprocessors MPUs April 15 2013 rev F e AM335x Schematic Checkli
5. 1 Embedian Inc specifications or improper installation or maintenance EMBEDIAN will not be responsible for any defects or damages to other products not supplied by EMBEDIAN that are caused by a faulty EMBEDIAN product Technical Support Technicians and engineers from EMBEDIAN and or its subsidiaries and official distributors are available for technical support We are committed to making our product easy to use and will help you use our products in your systems Before contacting EMBEDIAN technical support please consult our Web site for the latest product documentation utilities and drivers If the information does not help solve the problem contact us by e mail or telephone SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Table of Contents CPA TIN TIO OC LION os Soiree wana pi tcqsunoy E TE ETE Aenea piesa aden te 9 1 1 SMARC T335X EVALUATION CARRIER GOALS siccscesnsasevacstatacavaeeracacatetedees data acstaceueataeeiatemaceindetsies 9 TEAC RE SEL OVL RVE EE 9 PIBE E DA OR E LI LATERI HEKRALOVER VIEW E 13 FALATOT PA A V a N E E ee ner ee 14 1 6 MOUNTING HOLES MECHANICAL DRAWING cccccccccccccccceececceceeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeees 16 1 7 DOCUMENT AND STANDARD REFERENCES E 17 CHAPTER ZJUMPERS SWITCHES AND Eegenen ia 21 E EE 21 ONA A Go T ream ee eee ee ee ee cee ee EA T 23 SE 27 CHAPITER 5 HEADERS AND CONNECT ORS eher 29 EE 29 a AE E 48 Ee 6l 4a CARRIER EEN 62 CHAPTERS QOUIC
6. CN74 of the device to your PC and the Ethernet cable from LAN1 CN4 of the device to an Ethernet switch Ze Ethernet Switch 66 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Open a serial terminal like Putty in your PC Set the COM port as 175200 8n1 Step4 Power 5V to the device Apply 5V to CN2 connector of the device If you see the LED light on that means the wiring is correct Do not need to worry about the mis wiring because the device has mis wiring protection You will see the Ubuntu 12 04 booting The default root password is root no quotation and default Ubuntu user password is temppwa Default Ethernet is set as DHCP If the root file system is Arago there is no need for root pass 67 SMART BEE User s Manual Document Revision v 2 1
7. X EIX EZ a XCS eOr E E Ad AS AG Ai CLK2 Previous Current Cycle Cycle Figure 10 24 bit Single Pixel Transmission Unbalanced 42 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 8 LCD LED Backlight Connector CN8 SMART BEE provides with one LCD LED backlight connector CN8 that can drive up to 10 LEDs in series The driver IC is TI TPS61165 The following table shows the pin out of the CN8 LED backlight connector CN8 Location on Board A4 B4 LED Backlight Connector Sitara AM335x CPU Type JST SM02B BHSS 1 TB or compatible Header Pin Signal Name Function Ball Mode Signal Name 1 BLH Backlight From TPS61165 P Drive Anode Side 2 BLL Backlight From TPS61165 fe Drive Cathode Side Note The mating connector is JST BHSR 02VS 1 or compatible The backlight control pin is ecap0_in_pwm0_out gpio0_ 7 3 1 3 9 Power Input Terminal Block Connector CN2 The power input connector of SMART BEE is using a Zomm 5mm terminal block and located at CN2 The input power should be 5V There are 28V over voltage and 28V miswiring protection The following table shows the pin out of the CN2 power input terminal block connector CN2 Location on Board B5 43 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Power Input Connector Edge Sitara AM335x CPU Type Finger 2 pin screw type terminal block Pin Si
8. bit Single Pixel Transmission Unbalanced A0 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 7 24 bit LVDS Connector LVDS1 SMART BEE provides with one LCD LVDS connector LVDS1 It Supports 24 bit color depths The LVDS signal is implemented from parallel RGB LCD signals via a Tl SN 5LVDS83B interface IC on carrier board The following table shows the pin out of the LVDS1 LCD LVDS connector LVDS1 Location on Board H4 LVDS Connector CONN Edge Sitara AM335x CPU DF14 20P 1 25H Finger Header Pin Signal Name Function Pin Ball Mode Signal Name 1 1 GND P 2 2 GND P 3 3 A3P O 4 4 A3M O 5 5 GND P 6 6 CLKP O 7 Z CLKM O 8 8 GND P 9 9 A2P O 10 10 A2M O 11 11 GND P 12 12 A1P O 13 13 A1M O 14 14 GND P 15 15 AOP O 16 16 AOM O 17 17 GND P 41 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc LVDS Connector CONN Edge Sitara AM335x CPU Type DF 14 20P 1 25H Finger Header l Signal Name Function Pin Ball Mode Signal Name 18 18 GND P 19 19 VCC 3 3V or P a 5V e 20 20 VCC 3 3V or P a 5V Note LVDS1 is a 24 bit color depth LVDS signal In the 24 bit single pixel mode the RGB and control inputs shall be transmitted as shown in the following figure Outputs A4 through A7 and CLK2 shall be inactive in this mode and fixed at a single value Bits marked RES are reserved for future use and may take any value CLK1 Ai yx A2 C yO Y DE dE E BE X Br
9. device E 4 13 14 11 I2C_GP_ General S48 D15 3 I2C1 SCL OD CK purpose I2C bus cLock 12 I2C LCD LCD display S139 D17 3 I2C2 SCL OD _GK I2C bus cLock 13 I2C GP_ General S49 D16 3 I2C1_SDA OD DAT purpose I2C bus data 14 I2C LCD LCD display S140 D18 3 I2C2_SDA OD _DAT I2C bus data Note SPIO_CS0 has been taken for on module SPI NOR Flash Use SPIO_CS1 instead The SP IO_CS0 of SMART BEE can be used when users use SMARC module from other vendors 57 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 2 3 5 12S Device Header CN11 The SMARC 12S0 channel on the SMARIT BEE is run through a TLV320AIC3106 audio codec allowing I2SO to from Evaluation Carrier Audio CODEC I2C0 bus is also connected to TLV320AIC3106 to send command to audio codec and read codec register information at address Ox1B The audio mic In and headset speaker out header is located at CN11 The following table shows the pin out of the CN11 CN11 Location on Board H5 Audio Header HEADER DIP Edge Sitara AM335x CPU 10 2P 180D MALE 2 54mm Finger Signal Function Pin Ball Mode Signal Name Name 1 MIC L Left channel of Al microphone input 2 AGND Analog Ground 3 MIC_R Right channel Al of microphone input aa d 7 4 AUD_33 Analogue l P 3 4 VDD IO From TLV320AIC3016 Audio Codec SEBES 5 HP_OUT_ Right AO R channel of headset speaker 6 Hp OUT HPRCOM AO RR Signal of AIC3106 MICDEC Microphone detect 58 SMART BEE User
10. mit data 10 SDIO_WP SD Write P33 V14 b GPIO1 Protect ter 38 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 6 18 bit LVDS Connector LVDS2 SMART BEE provides with one LCD 18 bit LVDS connector LVDS2 and one 24 bit LVDS connector LVDS1 LVDS2 bottom side supports 18 bit color depths The following table shows the pin out of the LVDS2 LVDS LCD connector LVDS2 Location on Board I1 Bottom Side LVDS Connector CONN Edge Sitara AM335x CPU DF 14 20P 1 25H Finger Header Pin Signal Name Function Pin Ball Mode Signal Name 1 1 GND P 2 2 GND P 3 3 NC NC 4 4 NC NC 5 5 GND P e 6 6 CLKP O 7 7 CLKM O 8 8 GND P 9 9 A2P O 10 10 A2M O 11 11 GND P 12 12 A1P O 13 13 A1M O 14 14 GND P 15 15 AOP O 16 16 AOM O d SE GND P 39 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc LVDS Connector CONN Edge Sitara AM335x CPU Type DF 14 20P 1 25H Finger Header l Signal Name Function Pin Ball Mode Signal Name 18 18 GND P 19 19 VCC 3 3V or P a 5V 20 20 VCC 3 3V or P a 5V Note LVDS2 18 bit LVDS signal from CPU LCD controller In the 18 bit single pixel mode the RGB and control inputs shall be transmitted as shown in Figure 9 Outputs A3 through A7 and CLK2 shall be inactive in this mode and fixed at a single value CLK1 e AO A A go A BE A pa A Ra A RARA R AS AS Ad CLK2 Previous Current Cycle Cycle Figure 9 18
11. out of the CN7 USB OTG connector CN7 Location on Board E5 USB OTG Mini Type B Connector Edge Sitara AM335x CPU Finger Header Signal Name Function Signal Name 1 USB _VBus Power Supply P 19945 2 USBO Data Pei N18 0 USB _DM JO 3 USBO Data P60 N17 0 USB _ DP IO 4 USB _OTG_ Host cable P64 P16 USB _ID IO ID identification 5 GND Ground P 35 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 4 Gigabit LAN RJ45 Connector CN4 and CN5 SMART BEE provides with two Gigabit LAN RJ45 connectors CN4 and CN5 The following table shows the pin out of the CN4 LAN1 and CND LANZ2 connectors CN4 LAN1 Location on Board G5 Gigabit RJ45 Connector Sitara AM335x CPU Type Header Signal Name Function Ball Mode Signal Name 1 GBE_MDI Transmit Data P30 AO 2 GBE_MDI Transmit Data P29 AO 3 GBE_MDI1 Receive Data P27 Al 4 GBE_MDI2 Transmit Data P26 From SMSC NC 12345676 LAN8720A 5 GBE_MDI2 Transmit Data P24 NC 6 GBE_MDI1 Receive Data P23 Al 7 GBE_MDI3 Receive Data P20 NC 8 GBE_MDI3 Receive Data P19 NC L Left LED Duplex P21 Yellow P22 R Right LED Link and Ack P25 Green 36 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc CNS LAN2 Location on Board F5 Gigabit RJ45 Connector Edge Sitara AM335x Type Finger CPU Header Signal Name Function Pin Ball Mode Signa L Name 1 GBE1_ MDI Transmit Data S62 AO 2 GBE1_ MDI Transmit D
12. s Manual and TI AM335x processor reference manual and related documentation for additional information SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter Introduction This Chapter gives background information on the SMART BEE Evaluation Carrier Section include SMARC T335X Evaluation Carrier Goals Feature Set Overview Block Diagram Peripheral Overview Layout Diagram Document and Standard References SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter 1 Introduction This document serves as a user manual and technical reference for the EMBEDIAN SMARC_ 1335X Evaluation Baseboard SMARIT BEE The manual is intended for use by engineering personnel working with SMARC T335X systems It will be very helpful if developers can refer together with the carrier board schematics 1 1 SMARC T335X Evaluation Carrier Goals EMBEDIAN SMART BEE evaluation carrier is equipped with all mechanical and electrical components necessary for the rapid start up of the SMARC T335X computer on module The SMART BEE is designed for evaluation testing and prototyping of the SMARC T335X in development environments prior to use in customer designed applications It can also be used together with SMARC T335X as an application ready 3 5 inch single board computer The SMARC T335X Evaluation Carrier is intended to serve multiple needs and summarized as followed e SMARC 1T335X Module bring u
13. this Revision EEPROM in ASCII A0 Header Board Name Name of board in ASCII Version 4 Hardware version code for board in ASCII 38 62 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Name Offset Size Contents bytes Serial Number Serial number of the board This is a 12 character string which is MSCEWWYYnnnn Where WW 2 digit week of the year of production YY 2 digit year of production nnnn incrementing board number Pin Usage Two bytes for each configurable 74 pins on the expansion connectors Bit 15 Pin is used or not O0 Unused by Cape 1 Used by Cape Bit 14 13 Pin Direction 1 0 Output 01 Input 11 BDIR Bits 12 7 Reserved Bit 6 Slew Rate 0 Fast 1 Slow Bit 5 Rx Enable 0 Disabled 1 Enabled Bit 4 Pull Up Dn Select 0 Pulldown 1 PullUp Bit 3 Pull Up DN enabled 0 Enabled 1 Disabled Bits 2 0 Mux Mode Selection Mode 0 7 VDD_3V3EXP Maximum current in milliamps Current VDD_5V Current Maximum current in milliamps SYS_5V Current Maximum current in milliamps DC Supplied 242 2 Indicates whether or not the board is supplying voltage on the VDD_5V rail and the current rating 000 No 1 OxFFFF is the current supplied AvaiLlabLe Available space for other non volatile codes data 63 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter Quick Start Guide The purpose of this chapter is to provide a quick start guide so that develop
14. you remove the clip Sometimes a jumper will have three pins labeled 1 2 and 3 In this case you would connect either pins 1 and 2 or 2 and 3 1 2 3 ses Dewy OO Ae l al F Open Closed Closed 2 3 The jumper settings are schematically depicted in this manual as follows 1 2 3 OZ Open Closed Closed 2 3 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc A pair of needle nose pliers may be helpful when working with jumpers If you have any doubts about the best hardware configuration for your application contact your sales representative before you make any change 24 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 2 2 Switches The SMART BEE has one switch SW1 that could determine the boot devices 2 2 1 Switch Location The SW1 switch for boot configuration is located at A7 as shown in the following figure Figure 6 Switch Locations 25 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 2 2 2 List of Booting Device Configuration The table below lists the booting device configuration setting by SW1 Function Boot Configuration ON OFF OFF Carrier SD Card CN16 OFF ON ON Module eMMC Flash OFF OFF OFF Module SPI NOR Flash 26 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 2 3 LEDs The SMART BEE has two LEDs to indicate the 5V and 3 3V power status When power is fine the LED will light on 2 3 1 LEDs Location
15. Connectors Headers and Jumpers Top Side 14 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Figure 3 2 SMART BEE Connectors Headers and Jumpers Bottom Side SMART BEE User s Manual Document Revision v 2 1 15 Embedian Inc 1 6 Mounting Holes Mechanical Drawing Figure 4 shows the mounting holes information of SWART BEE The diameter of mounting hole is 3 2mm and the diameter of the ring is 6mm Late tele heled T i Ff i F I F 8 J Figure 4 SBC SMART BEE Mounting Holes Mechanical Drawing Information 16 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 1 7 Document and Standard References 1 7 1 External Industry Standard Documents e eMMC Embedded Multi Media Card the eMMC electrical standard is defined by JEDEC JESD84 B45 and the mechanical standard by JESD84 C44 www jedec org e The DC Specification Version 2 1 January 2000 Philips Semiconductor now NXP www nxp com e GG Bus Specification Feb 1986 and Revised June 5 1996 Philips Semiconductor now NXP www nxp com e JTAG Joint Test Action Group defined by IEEE 1149 1 2001 IEEE Standard Test Access Port and Boundary Scan Architecture www ieee org e MXM3 Graphics Module Mobile PCI Express Module Electromechanical Specification Version 3 0 Revision 1 1 2009 NVIDIA Corporation www mxm sig org e PICMG EEEP Embedded EEPROM Specification Rev 1 0 August 2010 www picmg org
16. Embedian Inc User s SMARC T335X Evaluation Carrier SMART BEE errbeceay SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Revision History Revision Date Changes from Previous Revision 1 0 2013 6 21 Initial Release 1 1 2014 4 17 Update to SMARC T335X Hardware Revision 0OBO 1 SPI DU and SPI_D1 interchanged 2 LCD_BKLT_PWM and GPIO1 interchanged 3 Change Baseboard name from SMARTBASE T3 to SMART BEE Correct RS422 TX Polarity of CN12 2 Add Mounting Hole Mechanical Drawing Sch 1 2 2014 05 09 Information Carrier Board H W Revision 00A0 to OOBO 2 Add Buzzer 3 Change 18 bit Parallel RGB Interface to 18 bit LVDS Interface 2 1 2014 12 19 Correct the boot selection mode for SD bootup and eMMC bootup on page 26 Sch 2 0 2014 11 05 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc USER INFORMATION About This Manual This document provides information about products from EMBEDIAN INC No warranty of suitability purpose or fitness is implied While every attempt has been made to ensure that the information in this document is accurate the information contained within is supplied as is and is subject to change without notice For the circuits descriptions and tables indicated EMBEDIAN assumes no responsibility as far as patents or other rights of third parties are concerned Copyright Notice Copyright 2013 EMBEDIAN INC All rights reserved No
17. K SIAR E ET 65 STEPI PLUG A WORKING SD CARD INTO SD eege Eden deed 65 SLEP2 CHECK JUMPERS AND SWI CHE S cireitiacreiiaguriiin arai TAN ENRE RETEN 65 STEP3 WIRED THE CONSOLE AND ETHERNET CABLE s s0sesseessssssesenccccccsncvansanacsssssssseesseesnes 66 SI EP4 POWER3V ITO THE DEVICE E 67 5 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Using this Manual This guide provides information about the Embedian SMARC formerly ULP COM T335X Evaluation Carrier for TI AM335x embedded SMARC core module family Conventions used in this guide This table describes the typographic conventions used in this guide This Convention Is used for Italic type Emphasis new terms variables and document titles monospaced type Filenames pathnames and code examples Embedian Information Document Updates Please always check the product specific section on the Embedian support website at www embedian com for the most current revision of this document Contact Information For more information about your Embedian products or for customer service and technical support contact Embedian directly To contact Embedian by Mail Embedian Inc 4F 7 432 Keelung Rd Sec 1 Taipei 11051 Taiwan World Wide Web http www embedian com Telephone 886 2 2722 3291 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Additional Resources Please also refer to the most recent SMARC T335x User
18. P 180D MALE 2 0mm Header Signal Function Name 1 NC 2 NC 3 CAN L CAN Signal P144 Low hal 1 2 4 CAN H CAN Signal P143 si a i High H 10 5 NC 6 NC 7 NC 8 NC 9 GND 10 NC SMART BEE User s Manual Document Revision v 2 1 Sitara AM335x CPU Type Ball Mode Signal Name KI5 1 DCAN _RX l Jie ki DCAN _TX O 53 Embedian Inc 3 2 3 3 GPIO Header CN17 The SMARC T335X Evaluation Carrier supports 12 GPIO ports defined in the SMARC specification The GPIO header locates at CN17 The following table shows the pin out of the CN17 GPIO header CN17 Location on Board B1 GPIO Header HEADER DIP Edge Sitara AM335x CPU 14 2P 180D MALE 2 0mm Finger Header Pin Signal Function Ball Signal Name Name 1 VDD_ P GPIO 2 GND E 3 GPIO Camera P108 J17 7 GPIO3 4 VO Power Enable 4 GPIO6 Tachometer P114 U18 7 GPIO1 28 VO input A 3 A 5 GPIO1 Camera 1 P109 T6 7 GPIO2 5 VO Power Enable 13 14 6 GPIO7 PCAM_FLD P115 V6 7 GPIO1 29 lO signal input 7 GPIO2 Camera P110 U16 7 GPIO1 25 VO Reset 8 GPIO8 CANO Error P116 T13 7 GPIO2 VO signal 9 GPIO3 Camera 1 P111 V16 7 GPIO1 24 lO Reset 54 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc GPIO Header HEADER DIP Sitara AM335x CPU 14 2P 180D MALE 2 0mm Header Signal Function Signal Name Name 10 GPIO9 CANT Error P117 V12 7 GPIO2 1 LC signal active Low Se input A 3004 11 GPIO4 HD Audio P112 U6 7 GPIO2 4 VO Reset 13 14 12
19. acklight Connector LVDS1 24 bit Single Channel LVDS Connector LVDS2 18 bit Single Channel LVDS Connector CN14 Serial Console RJ45 Connector SER3 UART3 CN16 SD SDHC Connector CN19 4 wire Touch Connector CN3 on Module JTAG Connector Buzzer 31 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 Connector Pin Assignments The following tables describe the electrical signals available on the connectors of the SMART BEE Each section provides relevant details about the connector including part numbers mating connectors signal descriptions and references to related chapters Pinout Legend I Input O Output VO Input or output P Power Al Analogue input AO Analogue output AIO Analogue Input or analogue output OD Open Drain Signal Low level active signal 3 1 3 1 Serial Console Debug Connector CN14 SMART BEE provides with one serial console port that using RJ45 as the connector The serial console port is available through a RJ 45 connector CN14 A RJ45 to DBY cable with 1m long comes with the evaluation kit and is shown as follows The following table shows the pin out of the CN14 serial console connector 32 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc CN14 Location on Board C5 8 pin RJ45 Connector Sitara AM335x CPU Type Header Function Ball Mode Signal Name 1 NC Not Connected 2 SER3 Receive Data P141 L17 1 UART3_RXD _ RX 3 SER3 Transmit Da
20. ata S63 AO 3 GBE1 MDI1 Receive Data S65 Al 4 GBE1_MDI2 Transmit Data S66 NC 12345678 5 GBE1_MDI2 Transmit Data S68 From SMSC NC LAN8720A 6 GBE1 MDI1 Receive Data S69 Al 7 GBE1_ MDI3 Receive Data S71 NC 8 GBE1_ MDI3 Receive Data 72 NC L Left LED Duplex 23 Yellow S24 R Right LED Link and Ack S55 Green Note SMARC 1T335X supports two fast LANs 10 100Mbps SMART BEE uses RJ45 connectors with integrated Gigabit Magnetic The reason for that is because SMART BEE could be used to support other 3 3V SMARC module from other vendors 37 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 5 SD SDHC Connector CN16 SMART BEE provides with one SD SDHC connector CN16 The SD slot could be used as a boot device or as a standard storage The following table shows the pin out of the CN16 SD SDHC connector CN16 Location on Board H5 SY DAC D Om Oxo a aT 101 0 g Sitara AM335x CPU left Signal Name Function Ball Mode Signal Name 1 SDIO CD SD Insert P35 U14 7 0 GPIO1 VIO SDIO_ D3 Detect SD P42 F17 18 receive trans MMCO mit data DAT3 2 SDIO_CMD SD receive P34 G18 0 MMCO_ O response CMD transmit command 3 GND Ground P 4 VDD_SD Power P 5 SDIO CK SD CLock P36 G17 0 MMCO I _CLK 6 GND Ground P 7 SDIOD SD P39 G16 0 MMC O receive trans DAT mit data 8 SDIO D1 SD P49 G15 0 mmco O receive trans DAT1 mit data 9 SDIO D2 SD P41 F18 0 mmco O receive trans DAT2
21. cation Figure 5 Jumper Locations 21 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 2 1 2 List of Jumpers The table below lists the function of various jumpers Label Function JP1 3 3V 5V LCD Signaling Voltage JP2 RS232 RS422 RS485 Setting for SERO UARTO JP3 Hardware Reset JP4 External WatchDog Timer 2 1 3 Jumper Settings The following tables describe how the jumper shunts to various configurations JP1 Location on Board G2 JP1 3 3V 5V LCD Signaling Voltage Setting Function JP1 1 2 3 3V JP1 2 3 5V JP2 Location on Board A1 JP2 RS232 RS422 RS485 Settings Setting Function JP2 1 2 RS232 JP2 3 4 RS422 RS485 half duplex JP2 5 6 RS422 RS485 full duplex 22 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc JP3 Location on Board B1 JP3 Hardware Reset Setting Function Shunt JP3 and Release Hardware Reset Immediately JP4 Location on Board B1 JP4 External Watchdog Timer Setting Function JP4 Open Disable External WDT JP4 Closed Enable External WDT 2 1 4 Setting Jumpers You configure your board to match the needs of your application by setting jumpers A jumper is the simplest kind of electric switch It consists of two metal pins and a small metal clip often protected by a plastic cover that slides over the pins to connect them To close a jumper you connect the pins with the clip To open a jumper
22. d mis wiring protection e External WDT option e A single 4KB EEPROM is provided on I2C0 that holds the board information This information includes board name part number serial number and revision information 10 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 1 3 Block Diagram An overall system block diagram for the SMARC T335X Evaluation Carrier is shown on the following page The following color coding is used on the block diagram e Industry standard wired I O connectors are shown in orange e Embedian defined wired I O connectors and headers are shown in red e Industry standard mezzanine and slot format connectors are shown in blue e ICs on the board are shown in pale yellow e Miscellaneous features jumpers switches are shown in drab green Much may be gleaned from this diagram e How SMARC resources are used on the Evaluation Carrier e What the major Evaluation Carrier Features are e An indication of the power supply architecture SMART BEE User s Manual Document Revision v 2 1 Embedian Inc DES external wot 3 35V 5 25V to Module ememr Conn ec tor CN2 12C_PM_3V3 3 3VOK DV Ok TLV3 USBO_EN_OC USBO_VBUS USB1_EN_OC AIC1526 uepi vpus USBO USB1 DCANO 12x GPIO LAN2 SDHC SDIO SPO SP11 12C_GP 12C_LCD Industrial Standard Connectors for wired off board Connections IC and IC Subsystem Industrial Standard Mezzanine a
23. ers can easily get the board up and running in few minutes 64 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter 5 Quick Start Guide These quick start guides are intended to provide developers with simple instructions on how to install SMARC T335X evaluation kit from very beginning and have it monitoring your local device in few minutes No advanced installation options are discussed here just the basics that will work for 95 of users who want to get started This guide will lead you through the process of configuring installing and developing SMARC 1T335X This guide was written to be as clear as possible and to provide only the details necessary to get you up and running For more in depth information links to other chapters will be located where appropriate Step1 Plug a working SD card into SD slot An image pre installed SD card comes with the evaluation kit Plug the SD card into SD card slot CN 16 If developers do not have evaluation kit please refer to Embedian SMARC 1335X Software Installation Guide to prepare for a working SD card first a La SEI d Be ke we Kl e ET d i LEERE i Step2 Check Jumpers and Switches SW 1 switch should be set as SD boot OFF ON ON and make sure that JP3 is not shunt 65 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Step3 Wired the console and Ethernet cable Connect the DB9 to RJ 45 console debug cable from
24. eturn I clock 8 GND Ground P 9 MFG Mode Pulled low to I allow in circuit SPI ROM update 10 GND Ground P 46 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Note The mating connector part number is JST 10SR 3S 3 1 3 14 Buzzer Buzzer is controlled by GPIO10 from the SMARC module User can use this GPIO and generate a square wave to control the buzzer The following table shows the pin out of the GPIO10 Buzzer Location on Board B3 Buzzer Edge Sitara AM335x CPU Type Finger Header Pin Signal Function Pin Ball Mode Signal Name Name OO GPIO1 P118 C14 7 GPIO3 7 VO 47 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 2 Headers This section details the header information of SMART BEE Evaluation Carrier 3 2 1 Header Location ke E a EL 4 II Figure 11 Header Locations 48 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 2 2 List of Headers The table below lists the function of various headers Label Function CN12 CN13 CN15 CN17 CN18 CN11 RS2382 RS422 RS485 port SERO UARTO with hardware handshaking RS232 port SER1 UART1 CAN Bus Header GPIO Header I2C 2 and SPI 2 Header Mic In and Speaker Out Audio Header 3 2 3 Header Pin Assignments The following tables describe the electrical signals available on the connectors of the SMART BEE Each section provides relevant detail
25. gnal Name Function Pin Ball Mode Signal Name 1 5v 5V Input P 2 GND Ground Power P 3 1 3 10 SMARC Module Connector CN1 The SMARC Module is supported on CN1 This is a 314 pin MXM3 style connector The CN1 pin out conforms to the SMARC Module specification Only 3 3V Module I O can be supported on the SMARC T335X Evaluation Carrier The MXM3 style connector used on the SMART BEE Evaluation Carrier is with a board to board spacing of 5mm Other stack height options are available including 1 8MM 2 mm and 8mm The Evaluation Carrier has captive M2 5 threaded standoffs in the SMARC mounting hole positions The standoffs accept M2 5 screws inserted from above through the Module holes Only 82mm x 50mm format SMARC Modules may be used with the SMART BEE Evaluation Carrier The Evaluation Carrier PCB has a cut out allowing access to the back side of the SMARC Module for test and debug 3 1 3 11 RTC Backup Battery CN A 6 8mm diameter 3V lithium coin cell battery is available on the Evaluation Carrier in position CN3 The part number of coin cell battery on CN3 is Seiko MS621F_FL17E The battery terminal is protected against charging as required by safety regulations by a Schottky diode and a 49 9 Ohm resistor R10 The 49 9 resistor feeds the SMARC VDD_RTC pin SMARC pin 147 44 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc CN3 Location on Board B2 3 1 3 12 4 wire Touch Connec
26. nd Slot Format Connector Embedian Defined Connector and Headers Jumpers Switches and LEDs Other Features Figure 1 SMARC T335X Evaluation Carrier Block Diagram Details for this diagram will be explained in the following chapters SMART BEE User s Manual Document Revision v 2 1 5V Audio Header CN11 4 wire Touch Header CN11 CAN Bus Header CN15 GPIO Header CN17 SDH NO SPI 2 12C 2 Header CN18 RS232 Header CN13 RS232 422 485 Header CN12 RJ45 Connector CN14 Connector CN8 12 Embedian Inc 1 4 Peripheral Overview The following diagram shows the function of all peripherals including of connectors headers configuration jumpers and other important features on the SMARC T335X Evaluation Carrier RTC Battery CAN BUS GPIO Boot Selection STT Reset Jumper RS232 422 485 External WDT Jumper Jumper SERO JTAG Backlight SPI 2 and 12C 2 4 wire Touch 5V Input 18 bit LVDS Bottom Side 24 bit LVDS Speaker Out Mic In SD Slot Figure 2 SMART BEE Peripheral Diagram 13 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 1 5 Layout Diagram The following section shows the physical location and reference designator of connectors configuration jumpers and other important features on the SMARC T335X Evaluation Carrier Se B F E fA e aap Se JI Up E A T Figure 3 1 SMART BEE
27. p platform for hardware and software development e Module validation platform e Customer evaluation platform e Customer design reference e Manufacturing test platform e Flexible prototyping vehicle facilitated by multiple mezzanines e An application ready single board computer together with SMARC T335X module 1 2 Feature Set Overview The SMART BEE has the following features for supporting the SMARC T335X modules e SMARC specification compliant e Length x Width 102mm x 145mm 4 0 x 5 7 3 5 inch form factor e Accepts 82mm x 50mm SMARC Modules e Accepts 3 3V SMARC V_IO only e Buzzer SMART BEE User s Manual Document Revision v 2 1 Embedian Inc e 24 bit color packing single channel LVDS port e 18 bit color packing single channel LVDS port e 3 3V or 5V LCD signaling option e Reset Jumper e SOV LED Backlight support e USB OTG mini AB connector direct from SMARC e USB R A Type A connector direct from SMARC SMARC compliant in an 82mm x 50mm form factor e 2x Fast Ethernet 10 100Mbps ports with integrated magnetics e On board I2S Audio Codec e RS232 support for 3 SMARC serial ports one can be configured as RS422 RS485 e CAN Bus support 1 e SPI 2 and I2C 2 Header e Boot Option Switch e SD Card slot e GPIO Header e 4 wire Touch Connector e RTC backup power sources Lithium coin cell onboard e 5V input voltage terminal block with 28V over voltage an
28. part of this manual may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical photocopying recording or otherwise without the express written permission of EMBEDIAN Trademarks The following lists the trademarks of components used in this board ARM is a registered trademark of ARM Limited Android is a registered trademark of Google Linux is a registered trademark of Linus Torvalds WinCE is a registered trademark of Microsoft Tl is a registered trademark of Texas Instruments All other products and trademarks mentioned in this manual are trademarks of their respective owners Standards EMBEDIAN is ISO 9001 2008 and 1ISO14001 certified manufacturer SMARC is an SGET standard for ARM computer on module Warranty This EMBEDIAN product is warranted against defects in material and workmanship for the warranty period from the date of shipment During the warranty period EMBEDIAN will at its discretion decide to repair or replace defective products Within the warranty period the repair of products is free of charge as long as warranty conditions are observed The warranty does not apply to defects resulting from improper or inadequate maintenance or handling by the buyer unauthorized modification or misuse operation outside of the product s environmental 3 SMART BEE User s Manual Document Revision v 2
29. rial port header 50 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc CN12 Location on Board A4 RS232 RS422 RS485 Edge Sitara AM335x CPU Header HEADER DIP Finger 10 2P 180D MALE 2 0mm Header Pin Signal Function Ball Mode Signal Name Name 1 422_ TX 485 RX 2 422 TX 485 RX 3 SER Receive Data P130 15 UART _RXD RX F 4 SERO Ready to Send P131 E17 UART _ O d 2 _RTS d 4 RTSN H 10 5 SERO Transmit Data P129 Cie UART _TXD O _TX 6 SER Clear To Send P132 18 UARTO_ l Deng CTSN Vee EE RX 8 422 RX 9 GND P 10 NC Note The ones marked as blue are RS232 signals When using RS232 as function please shunt pin 1 2 of JP2 51 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc CN13 Location on Board A3 RS232 Header HEADER Edge Sitara AM335x CPU DIP 10 2P 180D MALE Finger 2 0mm Header Signal Function Ball Mode Signal Name Name 1 NC 2 NC 3 SER1 Receive Data P135 k18 1 UART2 RXD _RX 4 NC we 1 2 3 4 5 SER1 Transmit Data P134 L18 1 UART2 TXD O _TX H 10 6 NC NC 8 NC 9 GND P 10 NC 52 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 2 3 2 CAN Bus Header CN15 The SMART BEE supports one CAN bus port and locates at CN15 The Evaluation Carrier runs CANO through SN65HVD251D transceiver The following table shows the pin out of the CN15 CAN Bus header CN15 Location on Board A2 CAN Bus Header HEADER DIP 10 2
30. s about the connector including part numbers mating connectors signal descriptions and references to related chapters Pinout Legend j Input O Output I O Input or output P Power Al Analogue input AO Analogue output AIO Analogue Input or analogue output OD Open Drain Signal Low level active signal 49 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 2 3 1 Asynchronous Serial Ports Header CN12 and CN13 The SMARC T335X Evaluation Carrier supports three serial ports defined in the SMARC specification They are SERO GERT and SERS SER3 is also used as a Serial debug port that is described in section 3 1 3 1 The Evaluation Carrier has EIA RS232 RS422 RS485 compliant signal levels and polarities Per the SMARC specification one of the three ports SERO have RTS CTS handshaking and two SER1 and SER3 have TX and RX data only without handshaking The Evaluation Carrier runs SERO and GERT through one transceiver and SER3 through a 2nd transceiver The Evaluation Carrier could also runs SERO via JP2 setting through a SN 75HVD11D transceiver to become a RS422 or RS485 signals A 10 way box header to DBY cable with 20cm long comes with the evaluation kit for users easily testing the functions and is shown as follows Figure 12 10 way box header to DB9 cable The red line on the cable should align to pin 1 of the header The following table shows the pin out of the CN12 and CN13 asynchronous se
31. st Oct 31 2011 e AM335x ARM Cortex A8 Microprocessors MPUs Technical References Manual April 15 2013 rev H e AM335x Power Consumption Summary Oct 31 2011 1 7 5 TI Development Tools e Pin Mux Utility for ARMO Microprocessors e Power Estimation Tool PET 1 7 6 TI Software Documents e LINUXEZSDK AM335x e ANDROIDDEVKIT JB AM335x 1 7 7 Embedian Software Documents e Embedian Linux BSP for SMARC T335X Module e Embedian Android BSP for SMARC T335X Module e Embedian Linux BSP User s Guide e Embedian Android BSP User s Guide 1 7 8 TI Design Network e Beaglebone e Beaglebone Blask 18 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc e Adeneo Embedded Windows Embedded Compact 7 e Nucleus e QNX SMART BEE User s Manual Document Revision v 2 1 19 Embedian Inc Chapter Jumpers Switches and LEDs This Chapter provides SMART BEE jumpers switches and LEDs information Section include Jumpers Switches LEDs 20 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc Chapter 2 Jumpers Switches and LEDs This chapter gives detail information of the jumpers switches and LEDs 2 1 Jumpers The SMART BEE has a number of jumpers that allow you to configure your system to suit your application All use 2mm shorting blocks shunts to select settings Turn off power to the SMART BEE before changing the position of a shunt 2 1 1 Jumper Lo
32. ta P14 L16 1 UART3_TXD O 12345678 _TX 4 NC Not Connected 5 GND Ground P 6 NC Not Connected 7 NC Not Connected 8 NC Not Connected 33 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 2 USB Host Type A Connector CN6 SMART BEE provides with one USB 2 0 host type A connector CN6 The following table shows the pin out of the CN6 USB host connector CN6 Location on Board D5 USB Type A Connector Edge Sitara AM335x CPU Finger Function Ball Mode Signal Name 1 USB1_ USB1 supply P VBus max 500mA 2 USB1 Universal P66 R17 0 USB1 DM IO mme serial bus port IM e S 3 USB1 Universal P65 R18 0 USB1 DP lO serial bus port O 4 USB_G USB Ground iP ND Note To protect the external power lines of peripheral devices make sure that The wires have the right diameter to withstand the maximum available current The enclosure of the peripheral device fulfills the fire protecting requirements of IEC EN 60950 The USB power lines are protected with a resetable fuse and are limited to 500mA If the USB device is powered from the SMART BEE directly not from the external power make sure that the total power consumption does not exceed the DC power budget 34 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 3 USB OTG Mini Type B Connector CN7 SMART BEE provides with one USB 2 0 OTG mini type B connector CN7 The following table shows the pin
33. tor CN19 SMART BEE provides with a 4 wire FPC connector for touch panel The controller is from ADC of the processor The following table shows the pin out of the CN19 4 wire resistive connector CN19 Location on Board H3 4 wire Touch Connector Sitara AM335x CPU 1 0 ZIF FPC SMT V T Pin Signal Name Function Signal Name r 1 XNUR Left S21 C7 AIN1 Al 2 YPLL Bottom S19 B7 AIN2 Al d 3 XPUL Right S18 B6 AINO Al 4 YNLR Top S22 A7 AIN3 Al Note The length of touch FPC cable should not be keeping too long 45 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 3 1 3 13 JTAG Connector CN3 on Module JTAG functions for CPU debug and test are implemented on separate small form factor connector CN3 JST SM10B SRSS TB 1mm pitch R A SMD Header on SMARC module The JTAG pins are used to allow test equipment and circuit emulators to have access to the Module CPU The pin outs shown below are used The following table shows the pin out of the CN3 on module JTAG connector CN3 Location on Board D4 JTAG Connector Edge Sitara AM335x CPU Finger JST SM10B SRSS TB 1mm pitch R A SMD Header Header Pin Signal Name Function Signal Name 1 VDD_33A JTAG I O P Voltage sourced by Module 2 nTRST JTAG Reset B10 nNTRST B10 I active Low 3 TMS JTAG mode C11 TMS C11 I select 4 TDO JTAG data out All TDO A11 O 5 TDI JTAG data in B11 TDI B11 I 6 TCK JTAG clock A12 TCK A12 T 7 RTCK JTAG r
34. urpose TLV320AIC3106 usage address 2 On EEPROM 0x57 OxAF OxAE General purpose Semiconductor parameter CAT64C32 EEPROM Serial number etc in PICMG EEEP format Note The I2CO bus on SMARC module is operated at 1 8V It has been level shifted to 3 3V on carrier board 61 SMART BEE User s Manual Document Revision v 2 1 Embedian Inc 4 2 Carrier EEPROM Format The SMART BEE module includes an I2C serial EEPROM available on the I2C_PM bus An On Semiconductor 24C32 or equivalent EEPROM is used in the Carrier The device operates at 3 3V The Module serial EEPROM is placed at I2C slave addresses A2 A1 AO set to 1 I2C slave address 57 hex 7 bit address format or AO A1 hex 8 bit format for I2C EEPROMs address bits A6 A5 A4 A3 are set to binary 0101 convention The Carrier serial EEPROM is intended to retain carrier parameter information including serial number The carrier serial EEPROM data structure conforms to the PICMG EEEP Embedded EEPROM Specification If developers have more than one carrier boards all using SMARC T335X as the core module it is recommended to have an EEPROM on carrier The advantage for that is the module will read the Carrier EEPROM information and load the specific hardware configurations It will be secure and easy to maintain software Note The EEPROM ID memory layout is now follow the mainline and as follows el Contents bytes EEPROM Format 4 Revision number of the overall format of
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